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A-1
Unilet® Conduit Bodies and Boxes

Form 35 Compression

Page

Description

2-16

Form 35® Malleable Iron, and Form 85™ Aluminum,
FM7™, FM8® and FM9™ Grayloy™, FM7™ Aluminum
Conduit Outlet Bodies

2-6

Form 35 Bodies Covers/Gaskets and Dimensions

7-11

Form 85 Bodies Covers/Gaskets and Dimensions

12-16

FM7 Series Bodies/Covers/Gaskets and
Dimensions

17-20

FM8 Series Bodies/Covers/Gaskets and
Dimensions

21-24

FM9 Series Bodies/Covers/Gaskets and
Dimensions

25-32

Mogul Malleable Iron and Aluminum
Conduit Outlet Bodies– NEC 6x8x
Series and LL, LR and T

25

Features

26

Bodies and Covers

27

Bending Radii and Bending Space

28-31

NEC 6x8x Pull Charts and Dimensions

32

Wiring Capacity Tables

33

LBD and LBDN Malleable Iron and
Aluminum Pulling Unilets

33

Features; Bodies, Covers and Dimensions;
Wiring Capacity Tables
JB Conduit Outlet Boxes
Features

34-35

JBX, JBDX, JBLX Boxes, Covers, Fixture
Hangers, and Accessories

35

Dimensions and Wiring Capacity Tables

36-37

GS Conduit Outlet Boxes

36

Features

36-37

GS Boxes, Covers, Fixture Hangers,
Gaskets, and Accessories

37

Dimensions and Wiring Capacity Tables

38

SEH Conduit Outlet Boxes

38

Features; SEH Boxes, Covers and Dimensions;
Wiring Capacity Tables

39

Pull Boxes with Threaded Hubs & Covers

40-41

Big Bend™ Cast Pulling Elbow

40

Features

41

Bending Radii and Dimensions

A

Effective September, 2005
Copyright 2005

34-35
34

800-621-1506
www.appletonelec.com
PAGE 1

A-2

Form 35® Unilet® Conduit Outlet Bodies
For use with Rigid Steel, Rigid Aluminum, IMC, and EMT Conduit.

Applications
Serve as pulling fittings.
Make bends in conduit system.
Provide openings for splicing.
Connect and change direction of
conduit runs.
Allow connections for branch runs.
Permit access to conductors for
maintenance.

•
•
•
•
•
•

Form 35

Features: Unilet® conduit
outlet bodies
Roomy interiors: more wiring space.
Smooth, rounded integral bushings in
hubs protect conductor insulation.
Accurately tapped, tapered threads for
tight, rigid joints and excellent ground
continuity.

•
•
•

Features: Form 35®
❹ Form 35 malleable iron Unilets: high
tensile strength and ductility. High corrosion-resistance, high impact and
shock resistance.
Exclusive built-in easy-pulling rollers in type C (1-1/4” thru 4”) and type
LB (1-1/4” thru 4”)– eliminate damage
when cable is pulled through hubs.
Sizes with flat-back design ideal
where fitting is mounted flat against
surface.
Complete line of conduit bodies, covers and receptacles.
Blank covers domed for extra wiring
space.

❹ Form 35 Malleable.
2” Type LB with rollers shown.

•

Form 35

•
•
•

Standard Materials

• Form 35 Unilet conduit outlet bodies:
malleable iron.
• Covers: blank– malleable iron, steel

and aluminum. Duplex grounding receptacle– phenolic. Lamp receptacle–
porcelain. Wiring device and switch
covers– aluminum. Cover screws: stainless steel.
Gaskets: neoprene or composition
fiber.

•

Standard Finishes

A

• Malleable iron bodies: triple-coat– (1)
zinc electroplate, (2) dichromate, and
(3) epoxy powder coat.
Covers: steel: zinc electroplate. Malleable iron: triple-coat– (1) zinc electroplate, (2) dichromate, and (3) epoxy
powder coat.

•

Effective September, 2005
Copyright 2005
PAGE 2

Compliances
UL Standard 514A.
Federal Spec. W-C-586B.
Suitable for classified location use in
Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron products conform to ASTM A47-77, Grade 32510,
which has the following properties: tensile strength, 50,000 psi; yield, 32,000
psi; and elongation, 10%.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.
Appleton Grayloy-iron products are a
gray iron alloy with tensile strength similar to ASTM-A48 Class 30A (30,000
psi tensile), and with a Brinell hardness
of approximately 180BH.

•
•
•
•
•
•

Product Cross Reference

• For explosionproof conduit outlet
bodies and boxes, see Cat. Section J.
• For Mogul Unilets , see pages A-17
®

through A-24.

800-621-1506
www.appletonelec.com

A-3

Form 35® Malleable Iron
Unilet® Conduit Outlet Bodies

Threaded Type for use with Rigid Metal Conduit and IMC;
Compression Type for use with Threadless Rigid Metal Conduit.

Appleton Form 35® Threaded Type Conduit Bodies

C

NOTE: Refer to page A-16 for Wiring Capacity Tables

E

LB

LL

LR

Hub
Size (in.)

3/4
1

1/2

C50-M
C75-M
C100-M

E50-M
E75-M
E100-M

LB50-M
LB75-M
LB100-M

LL50-M
LL75-M
LL100-M

LR50-M
LR75-M
LR100-M

1-1/4
1-1/2
2

C125-M◊
C150-M◊
C200-M◊

E125-M
E150-M
—

LB125-M◊
LB150-M◊
LB200-M◊

LL125-M
LL150-M
LL200-M

LR125-M
LR150-M
LR200-M

2-1/2
3
3-1/2
4

C250-M◊
C300-M◊
C350-M◊
C400-M◊

—
—
—
—

LB250-M◊
LB300-M◊
LB350-M◊
LB400-M◊

LL250-M
LL300-M
LL350-M
LL400-M

LR250-M
LR300-M
LR350-M
LR400-M

5
6

—
—

—
—

LB500-M
LB600-M

—
—

—
—

LRL*

T

TA

TB

X

Hub
Size (in.)

1/2
3/4
1

LRL50-M
LRL75-M
LRL100-M

T50-M
T75-M
T100-M

TA50-M
TA75-M
TA100-M

TB50-M
TB75-M
TB100-M

X50-M
X75-M
X100-M

1-1/4
1-1/2
2

LRL125-M
LRL150-M
LRL200-M

T125-M
T150-M
T200-M

—
—
—

TB125-M
TB150-M
TB200-M

X125-M
X150-M
X200-M

2-1/2
3
3-1/2
4

—
—
—
—

T250-M
T300-M
T350-M
T400-M

—
—
—
—

—
—
—
—

—
—
—
—

*LRL Unilets have double opening and are furnished with one steel cover, assembled.
◊ Catalog numbers having patented roller feature, all others do not.

Back Style for Form 35 Unilet conduit body
sizes (inches)

Compression Type—For use with Threadless Rigid Metal Conduit

LB

LRL*

T

1/2
3/4
1

LB50N-M
LB75N-M
LB100N-M

Effective September, 2005
Copyright 2005

LRL50N-M
LRL75N-M
LRL100N-M

T50N-M
T75N-M
T100N-M

Flat Back

Round Back

C, LB
E
LL, LR, T
TB
X

1/2 - 2
1/2 - 1-1/2
1/2 - 2
1-1/4, 1-1/2
1/2 - 1

2-1/2 and up
1-1/4 and up
2-1/2 and up
1/2, 3/4, 1, 2
1-1/4 and up

All TA Unilets are round back design.
All Compression Type are flatback design.

800-621-1506
www.appletonelec.com
PAGE 3

A

Hub
Size (in.)

Unilet Body

A-4

Covers and Gaskets for Form 35®
Unilet® Conduit Outlet Bodies
Covers Furnished with Stainless Steel Fastening Screws.

Appleton Form 35® Covers and Gaskets
Size

Blank Stamped Steel

NOTE: Refer to page A-16 for Wiring Capacity Tables.

Blank Cast Malleable

Neoprene

Composition Fiber

Domed: 1/2” - 3”

Flat: 1/2” - 2”

Flat: 3-1/2” - 6”

Domed: 2-1/2” - 4”

K50
K75
K100

K50-CM
K75-CM
K100-CM

GK50-N
GK75-N
GK100-N

GK50-V
GK75-V
GK100-V

1-1/4
1-1/2
2

K125 & 150
K125 & 150
K200

K125 & 150-CM
K125 & 150-CM
K200-CM

GK125-150-N
GK125-150-N
GK200-N

GK125-150-V
GK125-150-V
GK200-V

2-1/2
3
3-1/2
4

K250
K250
K350
K350

K250
K250
K350
K350

GK250-300-N
GK250-300-N
GK350-400-N
GK350-400-N

GK-250-300-V
GK-250-300-V
GK-350-400-V
GK-350-400-V

Form 35
Body
Size (in.)
1/2
3/4
1

&
&
&
&

300
300
400
400

K500
K600

5
6

&
&
&
&

Tear out
inner perforated
section to convert to
“open type” gasket.

300-CM
300-CM
400-CM
400-CM

—
—

GK500-SN†
GK600-SN†

† Not perforated

Wiring Device Covers

Lamp Receptacle with
1-1/2” Shade Holder Groove.
Porcelain, 600 Watt, 600 Volt Rating

Device Cover for Interchangeable
(Despard) Wiring Devices,
Cast Aluminum with Mounting Strap

Switch Cover for Interchangeable
(Despard) Devices, Cast Aluminum
with Gasket and Steel Mounting Strap

Form 35
Body Size (in.)

Form 35
Body Size (in.)

Cat. No.

Form 35
Body Size (in.)

Cat. No.

1/2

KWD50-A

3/4

KVS75-A

1/2
3/4

Cat. No.
KLR50
KLR75

A
Effective September, 2005
Copyright 2005
PAGE 4

800-621-1506
www.appletonelec.com

A-5

Dimensions:
Form 35® Malleable Iron Unilet®
Conduit Outlet Bodies

Threaded Type for use with Rigid Metal Conduit and IMC;
Compression Type for use with Threadless Rigid Metal Conduit.

Types A, C, TA, TB

Types A, C, TA, TB
Types E, LB, LL, LR, LRL

Types T, X

Fraction/Decimal Equivalents (Inches)
Fraction Decimal

Fraction Decimal

Fraction

Decimal

Fraction Decimal

1/16
1/8
3/16
1/4

5/16
3/8
7/16
1/2

9/16
5/8
11/16
3/4

0.56
0.63
0.69
0.75

13/16
7/8
15/16
1

0.06
0.13
0.19
0.25

0.31
0.38
0.44
0.50

0.81
0.88
0.94
1.00

Threaded Type Dimensions in Inches
Hub Size

A

B

C

D

E

F

G

H

J

K

L

M

N

P

1/2

3.94

1.31

1.44

5.38

2.69

2.00

2.13

3.94

4.63

1.75

.63

1.19

3.16

1.00

3/4

4.63

1.56

1.69

6.06

2.88

2.19

2.31

4.44

5.38

2.00

.75

1.38

3.78

1.22

1

5.38

1.81

1.94

7.13

3.38

2.56

2.69

5.13

6.25

2.25

.94

1.69

4.53

1.47

1-1/4

7.19

2.50

2.56

9.19

4.50

3.50

3.56

7.06

8.19

2.56

1.19

2.00

6.00

2.00

1-1/2

7.19

2.50

2.75

9.19

4.50

3.50

3.75

6.81

8.19

2.75

1.38

2.38

6.00

2.00

2

9.50

3.13

3.38

11.63

5.25

4.19

4.63

8.94

10.56

3.38

1.63

2.94

8.06

2.56

2-1/2

12.25

4.31

3.88

15.13

7.19

5.75

5.25

11.88

13.69

3.88

1.81

3.38

10.63

3.69

3

12.25

4.31

4.63

15.13

7.19

5.75

6.00

11.56

13.69

4.63

2.19

4.13

10.63

3.69

3-1/2

14.88

5.50

5.19

18.13

8.75

7.13

6.81

14.00

16.50

5.19

2.50

4.75

13.13

4.88

4

14.88

5.50

5.56

18.13

8.75

7.13

7.19

13.75

16.50

5.56

2.75

5.13

13.13

4.88

5
6

18.25
23.00

7.25
8.63

7.00
8.69

9.00
10.69

16.88
21.06

20.25
25.00

3.38
3.94

6.50
7.56

16.25
21.00

6.50
7.81

Types LB, LRL

Type T

Compression Type Dimensions in Inches
A

B

C

D

E

F

G

H

J

K

L

M

N

P

1/2

3.94

1.31

1.44

6.06

2.38

2.38

2.50

4.31

5.00

1.75

.63

1.31

3.16

1.00

3/4

4.63

1.56

1.69

6.81

2.69

2.69

2.81

4.81

5.75

2.00

.75

1.63

3.78

1.22

1

5.38

1.81

1.94

7.63

2.94

2.94

3.06

5.38

6.50

2.25

.94

1.88

4.53

1.47

Effective September, 2005
Copyright 2005

A

Hub Size

800-621-1506
www.appletonelec.com
PAGE 5

A-6

Wiring Capacity:
Form 35® Conduit Bodies and Covers
Combine Body and Cover Capacities for Total usable Capacity
per NEC 370-6(a)(1)

Form 35® Malleable Iron Bodies and Covers: Threaded and Compression
Capacity in Cubic Inches
Hub
Size (In.)
C
E

LB

LL
LR

LRL

T

TA

TB

X

Stamped
Cover

Cast
Cover

1/2
3/4

4.5
7.5

4.5
7.5

4.5
7.5

4.5
7.5

5.0
8.8

6.0
9.5

4.3
7.0

4.3
7.0

6.0
9.5

0.5
0.8

0
0.3

1
1-1/4
1-1/2

12.5
35.0
35.3

12.5
29.3
32.5

12.5
32.3
35.3

12.5
32.0
35.3

14.3
34.8
40.0

15.0
33.0
36.0

15.0
—
—

13.0
35.0
35.3

15.0
31.5
40.0

1.0
2.5
2.5

0.5
0.8
0.8

2
2-1/2

75.0
143.0

—
—

73.0
139.0

73.0
140.5

85.0
—

71.0
146.0

—
—

71.0
—

71.0
—

6.5
18.0

1.5
30.0

3
3-1/2

180.0
303.0

—
—

177.0
300.0

175.0
300.0

—
—

185.0
314.0

—
—

—
—

—
—

18.0
—

30.0
50.0

4
5
6

340.0
—
—

—
—
—

330.0
756.0
1328.0

330.0
—
—

—
—
—

345.0
—
—

—
—
—

—
—
—

—
—
—

—
—
—

50.0
—
—

A
Effective September, 2005
Copyright 2005
PAGE 6

800-621-1506
www.appletonelec.com

Form 85™ Unilet® Conduit Outlet Bodies

A-7

For use with Rigid Steel, Rigid Aluminum, IMC, and EMT Conduit.

Applications
Serve as pulling fittings.
Make bends in conduit system.
Provide openings for splicing.
Connect and change direction of
conduit runs.
Allow connections for branch runs.
Permit access to conductors for
maintenance.

•
•
•
•
•
•

Form 85

❺ Form 85 Aluminum Conduit
Body with Stamped Aluminum
Cover. 2” Type C shown.

Features: Unilet® conduit
outlet bodies
Roomy interiors: more wiring space.
Smooth, rounded integral bushings in
hubs protect conductor insulation.
Accurately tapped, tapered threads for
tight, rigid joints and excellent ground
continuity.

•
•
•

Features: Form 85™
❺ Form 85 aluminum Unilets: copperfree aluminum (max. 4/10 of 1% copper
content). Lightweight, high corrosion resistance. Self-oxidizing, self-renewing.
Lightweight aluminum facilitates shipping, handling and installing.
Sizes with flat-back design ideal where
fitting is mounted flat against surface.
Complete line of conduit bodies, covers and receptacles.
Blank covers domed for extra wiring
space.

•
•
•
•

Standard Materials

• Unilet conduit outlet bodies: alumi-

num– copper-free (max. 4/10 of 1%).
1/2” thru 2”– pressure cast. 2-1/2” thru
4”– sand cast.
Covers: blank– malleable iron, steel
and aluminum. Duplex grounding receptacle– phenolic. Lamp receptacle–
porcelain. Wiring device and switch
covers– aluminum. Cover screws: stainless steel.
Gaskets: neoprene or composition
fiber.

•

•

Standard Finishes

coat.

Effective September, 2005
Copyright 2005

•
•
•
•
•
•

Product Cross Reference

• For explosionproof conduit outlet
bodies and boxes, see Cat. Section J.
• For Mogul Unilets , see pages A-17

A

• Aluminum bodies: epoxy powder coat.
• Stamped aluminum covers: natural
finish.
• Cast aluminum covers: epoxy powder

Compliances
UL Standard 514A.
Federal Spec. W-C-586B.
Suitable for classified location use in
Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron products
conform to ASTM A47-77, Grade
32510, which has the following properties: tensile strength, 50,000 psi; yield,
32,000 psi; and elongation, 10%.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.
Appleton Grayloy-iron products are a
gray iron alloy with tensile strength similar to ASTM-A48 Class 30A (30,000
psi tensile), and with a Brinell hardness
of approximately 180BH.

®

through A-24.

800-621-1506
www.appletonelec.com
PAGE 7

A-8

Form 85™ Aluminum Unilet®
Conduit Outlet Bodies
Threaded Type for use with Rigid Metal Conduit and IMC.
Setscrew Type for use with Electrical Metal Tubing (EMT).

Appleton Form 85™ Conduit Bodies: Threaded/SetScrew Type

C

NOTE: Refer to page A-16 for Wiring Capacity Tables

E

Hub
Threaded
Size (in.)
Type

Setscrew
Type

Threaded
Type

1/2
3/4
1

C50-A
C75-A
C100-A

C50T-A
C75T-A
C100T-A

E50-A
E75-A
E100-A

1-1/4
1-1/2
2

C125-A
C150-A
C200-A

C125T-A
C150T-A
—

2-1/2
3
3-1/2
4

C250-A
C300-A
C350-A
C400-A

—
—
—
—

LB

Setscrew
Type

LL

Threaded Setscrew
Type
Type

LR

Threaded
Type

Setscrew
Type

Threaded
Type

Setscrew
Type

E50T-A
—
—

LB50-A
LB75-A
LB100-A

LB50T-A
LB75T-A
LB100T-A

LL50-A
LL75-A
LL100-A

LL50T-A
LL75T-A
LL100T-A

LR50-A
LR75-A
LR100-A

LR50T-A
LR75T-A
LR100T-A

—
—
—

—
—
—

LB125-A
LB150-A
LB200-A

LB125T-A
LB150T-A
LB200T-A

LL125-A
LL150-A
LL200-A

LL125T-A
LL150T-A
LL200T-A

LR125-A
LR150-A
LR200-A

LR125T-A
LR150T-A
LR200T-A

—
—
—
—

—
—
—
—

LB250-A
LB300-A
LB350-A
LB400-A

—
—
—
—

LL250-A
LL300-A
LL350-A
LL400-A

—
—
—
—

LR250-A
LR300-A
LR350-A
LR400-A

—
—
—
—

T

TB

Threaded
Type

X

Hub
Threaded
Size (in.)
Type

Setscrew
Type

Setscrew
Type

Threaded Setscrew
Type
Type

1/2
3/4
1

T50-A
T75-A
T100-A

T50T-A
T75T-A
T100T-A

TB50-A
TB75-A
TB100-A

—
—
—

X50-A
X75-A
X100-A

—
—
—

1-1/4
1-1/2
2

T125-A
T150-A
T200-A

—
—
—

TB125-A
TB150-A
TB200-A

—
—
—

—
—
—

—
—
—

2-1/2
3
3-1/2
4

T250-A
T300-A
T350-A
T400-A

—
—
—
—

—
—
—
—

—
—
—
—

—
—
—
—

—
—
—
—

Typical Form 85 Conduit
Bodies with Setscrews.
For use with Electrical
Metal Tubing (EMT).

Back Style for Form 85®

A

Unilet Body

Flat Back

Round Back

C, LB, LL, LR, T
TB
E, X

1/2” – 2”
1-1/4”, 1-1/2”
1/2” – 1”

2-1/2” – 4”
1/2”, 3/4”, 1”, 2”

All setscrew types are flatback design.

Effective September, 2005
Copyright 2005
PAGE 8

800-621-1506
www.appletonelec.com

A-9

Covers and Gaskets for Form 85™
Unilet® Conduit Outlet Bodies
Covers Furnished with Stainless Steel Fastening Screws.

Appleton Form 85™ Covers and Gaskets
Size

NOTE: Refer to page A-16 for Wiring Capacity Tables.

Blank Stamped Aluminum

Blank Cast Aluminum

Domed: 1/2” - 3”

Flat: 1/2” - 2”

Flat: 3-1/2” - 4”

Domed: 2-1/2” - 4”

Form 85
Body
Size (in.)
1/2
3/4
1

Neoprene

Composition Fiber

Tear out
inner perforated
section to convert to
“open type” gasket.

K50-A
K75-A
K100-A

K50-CA
K75-CA
K100-CA

GK50-N
GK75-N
GK100-N

GK50-V
GK75-V
GK100-V

1-1/4
1-1/2
2

K125 & 150-A
K125 & 150-A
K200-A

K125 & 150-CA
K125 & 150-CA
K200-CA

GK125-150-N
GK125-150-N
GK200-N

GK125-150-V
GK125-150-V
GK200-V

2-1/2
3
3-1/2
4

K250
K250
K350
K350

K250
K250
K350
K350

GK250-300-N
GK250-300-N
GK350-400-N
GK350-400-N

GK-250-300-V
GK-250-300-V
GK-350-400-V
GK-350-400-V

&
&
&
&

300-A
300-A
400-A
400-A

&
&
&
&

300-CA
300-CA
400-CA
400-CA

Wiring Device Covers

Lamp Receptacle with
1-1/2” Shade Holder Groove.
Porcelain, 600 Watt, 600 Volt Rating

Device Cover for Interchangeable
(Despard) Wiring Devices,
Cast Aluminum with Mounting Strap

Switch Cover for Interchangeable
(Despard) Devices, Cast Aluminum
with Gasket and Steel Mounting Strap

Form 85
Body Size (in.)

Cat. No.

Form 85
Body Size (in.)

Cat. No.

Form 85
Body Size (in.)

Cat. No.

1/2
3/4

KLR50
KLR75

1/2

KWD50-A

3/4

KVS75-A

A

Effective September, 2005
Copyright 2005

800-621-1506
www.appletonelec.com
PAGE 9

A-10

Dimensions:
Form 85™ Threaded and Setscrew, Unilet®
Conduit Outlet Bodies, Aluminum
Fraction/Decimal
Equivalents (Inches)
Fraction

Types C, T, X

Decimal

1/16
1/8
3/16
1/4
5/16
3/8
7/16
1/2
9/16
5/8
11/16
3/4
13/16
7/8
15/16
1

Types E, LB, LL, LR

0.06
0.13
0.19
0.25
0.31
0.38
0.44
0.50
0.56
0.63
0.69
0.75
0.81
0.88
0.94
1.00

Dimensions In Inches
Hub
Trade
Size (In.)

Pressure
Cast

Sand
Cast

A

B

C

D

E

F

G

H

J

1/2

3.94

1.31

1.38

4.75

2.56

2.00

2.06

3.50

4.31

3/4

4.63

1.56

1.63

5.63

3.00

2.25

2.44

4.13

5.13

1

5.38

1.81

1.88

6.69

3.50

2.63

2.81

4.88

1-1/4

7.19

2.50

2.75

8.56

3.50

3.88

1-1/2

7.19

2.50

2.75

8.56

3.50

2

9.50

3.13

3.44

10.81

2-1/2

12.25

4.31

3.88

15.13

3

12.25

4.31

4.63

15.13

3-1/2

14.88

5.50

5.19

4

14.88

5.50

5.56

L

M

N

P

.63

1.13

3.14

1.05

.75

1.38

3.78

1.27

6.00

.94

1.69

4.50

1.52

6.56

7.88

1.06

2.13

6.00

2.25

3.81

6.44

7.88

1.19

2.38

6.00

2.25

4.19

4.56

8.31

10.19

1.50

2.94

8.06

2.75

7.19

5.75

5.25

11.88

13.69

1.81

3.38

10.63

3.69

7.19

5.75

6.00

11.56

13.69

2.19

4.13

10.63

3.69

18.13

8.75

7.13

6.81

14.00

16.50

2.50

4.75

13.13

4.88

18.13

8.75

7.13

7.19

13.75

16.50

2.75

5.13

13.13

4.88

A
Effective September, 2005
Copyright 2005
PAGE 10

800-621-1506
www.appletonelec.com

Wiring Capacity:
Form 85™ Conduit Bodies and Covers

A-11

Combine Body and Cover Capacities for Total usable Capacity
per NEC 370-6(a)(1)

Form 85™ Aluminum Bodies and Covers: Threaded and Setscrew
Capacity in Cubic Inches
Hub
Size (In.)
C
E

LB

LL
LR

LRL

T

TA

TB

X

Stamped
Cover

Cast
Cover

1/2
3/4

4.0
7.0

4.0
7.0

4.0
7.0

4.0
7.0

—
—

4.0
7.0

—
—

6.0
7.0

4.0
7.0

0.5
0.8

0
0.3

1
1-1/4
1-1/2

11.8
34.8
35.0

11.8
—
—

11.8
34.8
35.0

11.8
34.0
35.0

—
—
—

11.8
34.0
35.0

—
—
—

13.0
35.0
34.5

11.8
—
—

1.0
2.5
2.5

0.5
0.8
0.8

2
2-1/2

70.0
143.0

—
—

70.0
139.0

70.0
140.5

—
—

70.0
146.0

—
—

71.0
—

—
—

6.5
18.0

1.5
30.0

3
3-1/2

180.0
303.0

—
—

177.0
300.0

175.0
300.0

—
—

185.0
314.0

—
—

—
—

—
—

18.0
—

30.0
50.0

4

340.0

—

330.0

330.0

—

345.0

—

—

—

—

50.0

A

Effective September, 2005
Copyright 2005

800-621-1506
www.appletonelec.com
PAGE 11

A-12

FM7™ Unilet® Conduit Outlet Bodies
For use with Rigid Steel, Rigid Aluminum, IMC, and EMT Conduit.

Applications
Serve as pulling fittings.
Make bends in conduit system.
Provide openings for splicing.
Connect and change direction of
conduit runs.
Allow connections for branch runs.
Permit access to conductors for
maintenance.

Standard Materials
Grayloyiron or copper-free aluminum.
Stamped steel, stamped aluminum,
cast Grayloy-iron, and cast aluminum;
cover screws: stainless steel.

Features: Unilet® conduit
outlet bodies
Roomy interiors: more wiring space.
Smooth, rounded integral bushings in
hubs protect conductor insulation.
Accurately tapped, tapered threads for
tight, rigid joints and excellent ground
continuity.

•
•
•
•

Features: FM7™ Series
❶ FM7 Grayloy™-Iron Unilets: most economical conduit bodies for use where
the special advantages of malleable
iron or aluminum are not required.
❷ FM7 Aluminum Unilets: same
dimensions and design features as
FM7 Grayloy™-lron, plus light weight,
high corrosion resistance.
FM7 Wedge-Lok™ Formtite™ covers
with integral gasket are approved for
use in wet locations.
Unique Wedge-Lok™ clip covers allow
easy removal. No retapping of corroded body screw holes is necessary to
replace cover.
Completely interchangeable with
Crouse-Hinds Form 7™ bodies, gaskets
and covers. Equivalent FM7 and Form
7™ units have identical applications and
installation dimensions.
Flat back design provides greater
cubic content for easier wire pulling
and more room for splicing.
Smooth hub bushings and cover
openings protect conductor insulation.
Smooth hub openings allow easy conduit joining.
Pan-head cover screws secure cover
clips and provide superior screwdriver
seating and torque. Cover screws and
clips are captive to prevent loss.
Hub size, body style, and compliance data molded into body in large,
easy-to-read form. Also maximum wire
number/size and cubic capacity.

•

•
•
•
•
•
•
•
•
•

•
•
•
•
•

•
•

Standard Finishes

• Grayloy-iron bodies: triplecoat– (1)
zinc electroplate, (2) dichromate, and
(3) epoxy powder coat.
Aluminum bodies: epoxy powder
coat.
Steel covers: zinc electroplate.
Stamped aluminum covers: natural
finish.
Grayloy-iron covers: triplecoat– (1)
zinc electroplate, (2) dichromate, and
(3) epoxy powder coat.
Cast aluminum covers: epoxy powder
coat.
Compliances

• UL Standard 514A.
• Federal Spec. W-C-586B.
• Suitable for classified location use in

Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron products conform to ASTM A47-77, Grade 32510,
which has the following properties: tensile strength, 50,000 psi; yield, 32,000
psi; and elongation, 10%.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.
Appleton Grayloy-iron products are a
gray iron alloy with tensile strength similar to ASTM-A48 Class 30A (30,000
psi tensile), and with a Brinell hardness
of approximately 180BH.

FM7

❷ FM7 Aluminum
Conduit Body with
Cast Aluminum
Cover. 1” Type C
shown.

•
•
•

❶ FM7 Grayloy™-iron, 1” Type C
shown with cut-away body and
cover to illustrate Wedge-Lok™
Clip Cover detail.

Product Cross Reference
explosionproof conduit outlet
bodies and boxes, see Cat. Section J.

• For

•

A

•

Effective June, 2006
Copyright 2006
PAGE 12

*Form 7 is a product of Crouse-Hinds, a member
company of Cooper Industries.

800-621-1506
www.appletonelec.com

A-13

FM7™ Grayloy™-Iron and Aluminum Unilet®
Conduit Bodies: Wedge-Lok™ Clip Covers
For use with Rigid Steel, Rigid Aluminum and IMC Conduit.

Interchangeable. Appleton FM7 bodies, covers and
gaskets are completely interchangeable with equivalent
Crouse-Hinds Form 7* bodies and covers.
Applications and installation dimensions are also interchangeable.
No wire damage. Appleton FM7 bodies have a smooth,
rounded, internal bushing in each hub and smooth cover
openings to protect conductor insulation.
Easy cover removal. Unique FM7 Wedge-Lok Clip-Cover
design allows easy removal at any later time, without damaging the conduit body. Because the cover is secured with
clips– not screws – no retapping of corroded body screw
holes is necessary to replace cover.
Positive-seating cover screws. Pan-head stainless steel
cover screws, which hold the clips, provide superior screwdriver seating and torque for easier cover installation or
removal. Each cover screw and its attached locking clip
are held captive in the cover to prevent loss.
Full-line choice. Appleton FM7 bodies are offered in a
complete range of hub configurations and sizes. FM7
covers are available in blank stamped steel or stamped
aluminum, and also in cast Grayloy-iron or cast aluminum. Covers can be used without gaskets, or with a solid
neoprene gasket. All Appleton FM7 bodies, covers and
gaskets are interchangeable with Crouse-Hinds Form 7*
bodies, covers and gaskets.

NEW
Formtite™ 7
Covers with
Integral Gaskets

Approved for wet locations.
FM7 Grayloy-iron bodies with cast covers and gasket are
approved for use in wet locations. (NEMA 3R)
Maximum corrosion protection. Appleton FM7 Grayloyiron conduit bodies and cast covers have a triple-coat finish– (1) zinc electroplate, (2) dichromate, and (3) epoxy
powder coating. FM7 aluminum bodies and cast covers are
coated with epoxy powder coating. FM7 blank steel covers
have a zinc electroplate finish. Superior FM7 finish gives
greater corrosion protection in wet or harsh environments,
assuring long, trouble-free service.
Grayloy-iron properties. Grayloy™ is an Appleton proprietary cast graphite flake gray iron alloy with superior
physical and mechanical properties offering strength, hardness, fracture toughness, high vibration absorption and
dimensional stability. Tensile strength is similar to ASTMA48 Class 30A (30,000 tensile), with Brinell hardness of
approximately 180BH.
Aluminum properties. Aluminum products are produced
from a high strength copper-free (4/10 of 1% max.) alloy.
More wiring space. Appleton’s FM7 flat-back design
provides greater cubic content for easier wire pulling, and
more room for splicing. FM7 flat back fits flush and snug
against flat surfaces for more stable installation.
*Form 7 ia a product of Crouse-Hinds, a member company of Cooper Industries.

Appleton
FM7™

Crouse-Hinds
Form 7

Formtite™ 7 Features

Appleton FM7 (C57, 1-1/2”)
28 Cubic Inches Capacity
Flat-Back Design

Neoprene Integral
Gasket pre-assembled
to Conduit Body Cover

Crouse-Hinds Form 7 (C57, 1-1/2”)
26 Cubic Inches Capacity

Appleton FM7:
• Maximum wire number/size and cubic capacity molded into body.
• Large size, style and compliance data molded into body.
Illustrated views are cut away to demonstrate back configurations.

Effective June, 2006
Copyright 2006

800-621-1506
www.appletonelec.com
PAGE 13

A

• One-piece cover and gasket
assembly
• Neoprene gasket is bonded to
Iron, Steel or Aluminum cover
• Ease of installation
• Productivity gain
• Eliminates “stock outs” of one item
or the other
• No need to order, store, handle, or
install separate covers and gaskets
because there are fewer SKU’s to
order and inventory

A-14

FM7™ Grayloy™-Iron and Aluminum Unilet®
Conduit Bodies with Wedge-Lok™ Clip Covers
and Gaskets
For use with Rigid Steel, Rigid Aluminum and IMC Conduit.

These Appleton FM7 conduit bodies, covers and gaskets have the same applications and installation dimensions as Crouse-Hinds Form 7
conduit bodies. Equivalent FM7 and Form 7 items are completely interchangeable.

Appleton FM7 Conduit Bodies

NOTE: Refer to page A-15 for Wiring Capacity Tables

C

Hub
Size (in.) Grayloy-Iron

LB

LL

Aluminum

Grayloy-Iron

Aluminum

LR

Grayloy-Iron Aluminum

T

Grayloy-Iron

Aluminum

Grayloy-Iron

Aluminum

1/2
3/4
1

C17
C27
C37

C17-SA
C27-SA
C37-SA

LB17
LB27
LB37

LB17-SA
LB27-SA
LB37-SA

LL17
LL27
LL37

LL17-SA
LL27-SA
LL37-SA

LR17
LR27
LR37

LR17-SA
LR27-SA
LR37-SA

T17
T27
T37

T17-SA
T27-SA
T37-SA

1-1/4
1-1/2
2

C47
C57
C67

C47-SA
C57-SA
C67-SA

LB47
LB57
LB67

LB47-SA
LB57-SA
LB67-SA

LL47
LL57
LL67

LL47-SA
LL57-SA
LL67SA

LR47
LR57
LR67

LR47-SA
LR57-SA
LR67-SA

T47
T57
T67

T47-SA
T57-SA
T67-SA

2-1/2
3
3-1/2
4

C77
C87
—
—

C77-SA
C87-SA
—
—

LB77
LB87
LB97
LB107

LB77-SA
LB87-SA
LB97-SA
LB107-SA

LL77
LL87
LL97
LL107

LL77-SA
LL87-SA
LL97-SA
LL107-SA

LR77
LR87
LR97
LR107

LR77-SA
LR87-SA
LR97-SA
LR107-SA

T77
T87
T97
T107

T77-SA
T87-SA
T97-SA
T107-SA

E

Hub
Size (in.) Grayloy-Iron
1/2
3/4
1
1-1/4
1-1/2
2

L*

TA

Aluminum

Grayloy-Iron

Aluminum

E17
E27
E37

E17-SA
E27-SA
E37-SA

L17
L27
L37

—
—
—

TA17
TA27
TA37

—
—
—

—
—
—

L47
L57
L67

—
—
—

TA47
TA57
TA67

TB

Grayloy-Iron Aluminum

X

Grayloy-Iron

Aluminum

Grayloy-Iron

Aluminum

—
—
—

TB17
TB27
TB37

TB17-SA
TB27-SA
TB37-SA

X17
X27
X37

X17-SA
X27-SA
X37-SA

—
—
—

TB47
TB57
TB67

TB47-SA
TB57-SA
TB67-SA

X47
X57
X67

X47-SA
X57-SA
X67-SA

* L Unilets have double opening and are furnished with one steel cover, assembled.

Appleton FM7 Blank Covers and Gaskets
Wedge-Lok
Cast Cover

FM7
Body
Size (in.) Grayloy-Iron

(Covers furnished with Stainless Steel Screws)

Formtite Cast Cover
with Integral Gasket

Wedge-Lok
Stamped Cover

Formtite Stamped Cover
with Integral Gasket

Aluminum

Grayloy-Iron

Aluminum

Steel

Aluminum

Steel

Aluminum

Solid
Neoprene Gasket

A

1/2
3/4
1

170F
270F
370F

170F-SA
270F-SA
370F-SA

170FG
270FG
370FG

170FG-SA
270FG-SA
370FG-SA

170
270
370

170-SA
270-SA
370-SA

170G
270G
370G

170G-SA
270G-SA
370G-SA

GASK571
GASK572
GASK573

1-1/4
1-1/2
2

470F
570F
670F

470F-SA
570F-SA
670F-SA

470FG
570FG
670FG

470FG-SA
570FG-SA
670FG-SA

470
570
670

470-SA
570-SA
670-SA

470G
570G
670G

470G-SA
570G-SA
670G-SA

GASK574
GASK575
GASK576

2-1/2
3
3-1/2
4

870F
870F
970F
970F

870F-SA
870F-SA
970F-SA
970F-SA

870FG
870FG
970FG
970FG

870FG-SA
870FG-SA
970FG-SA
970FG-SA

870
870
970
970

870-SA
870-SA
970-SA
970-SA

870G
870G
970G
970G

870G-SA
870G-SA
970G-SA
970G-SA

GASK578
GASK578
GASK579
GASK579

Effective June, 2006
Copyright 2006
PAGE 14

800-621-1506
www.appletonelec.com

A-15

FM7™ Conduit Body Dimensions

Type C

Types E, L, LB, LL, LR

Types T, TA, TB, X

Dimensions in Inches
Hub
Size

A

B

C

D

E

F

G

H

J

K

L

M

N

P

Q

R

S

T

1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

3.63
4.25
5.00
5.50
6.00
7.00
9.00
9.00
11.00
11.00

1.38
1.56
1.75
2.19
2.44
3.00
4.25
4.25
5.25
5.25

1.38
1.63
1.88
2.31
2.56
3.13
3.63
4.38
4.88
5.38

5.38
6.00
7.00
7.44
8.19
9.19
12.00
12.00
—
—

3.31
3.50
3.88
4.13
4.63
5.19
—
—
—
—

2.25
2.44
2.75
3.19
3.50
4.06
5.75
5.75
6.94
6.94

2.25
2.50
2.88
3.31
3.69
4.25
5.13
5.88
6.56
7.06

3.94
4.44
5.19
5.44
5.94
6.63
8.75
8.38
10.25
10.00

4.56
5.19
6.00
6.50
7.13
8.13
10.50
10.50
12.69
12.69

1.75
2.00
2.25
2.31
2.56
3.13
3.63
4.38
4.88
5.38

0.63
0.75
0.88
1.13
1.25
1.50
1.75
2.13
2.38
2.63

1.25
1.50
1.75
2.19
2.44
3.00
3.50
4.25
4.75
5.25

3.19
3.81
4.50
5.00
5.44
6.38
8.38
8.38
10.25
10.25

0.94
1.13
1.38
1.75
1.94
2.44
3.56
3.56
4.50
4.50

5.63
6.25
7.25
7.44
8.19
9.19
12.00
12.06
14.31
14.31

2.63
2.88
3.25
3.31
3.63
4.19
—
—
—
—

1.56
1.88
2.00
2.19
2.44
3.00
4.25
4.25
5.25
5.25

2.44
2.63
3.00
3.19
3.56
4.13
5.75
5.75
6.94
6.94

Fraction/Decimal Equivalents (Inches)
Fraction

Decimal

Fraction

Decimal

Fraction

Decimal

Fraction

Decimal

1/16
1/8
3/16
1/4

0.06
0.13
0.19
0.25

5/16
3/8
7/16
1/2

0.31
0.38
0.44
0.50

9/16
5/8
11/16
3/4

0.56
0.63
0.69
0.75

13/16
7/8
15/16
1

0.81
0.88
0.94
1.00

A

Effective June, 2006
Copyright 2006

800-621-1506
www.appletonelec.com
PAGE 15

A-16

Wiring Capacity:
FM7™ Conduit Bodies and Covers
Combine Body and Cover Capacities for Total usable Capacity
per NEC 370-6(a)(1)

FM7™ Grayloy™-Iron Bodies and Covers: Threaded
Capacity in Cubic Inches
Hub
Size (In.)

C

E

LB

LL
LR

L

T

TA

TB

X

Stamped
Cover

Cast
Cover

4.0
7.0

4.0
7.0

4.0
7.0

4.0
7.0

5.0
9.0

6.0
10.0

6.0
10.0

6.0
10.0

6.0
10.0

0.3
0.5

0.4
0.8

1
1-1/4
1-1/2

11.0
20.0
28.0

11.0
—
—

11.0
20.0
28.0

11.0
20.0
28.0

13.5
22.5
31.0

15.5
20.0
28.0

15.5
20.0
28.0

15.5
20.0
28.0

15.5
20.0
28.0

1.3
1.8
2.3

1.3
2.0
3.0

2
2-1/2

50.0
102.0

—
—

50.0
102.0

50.0
102.0

55.0
—

50.0
102.0

50.0
—

50.0
—

50.0
—

2.8
9.8

4.8
9.7

3
3-1/2

133.0
—

—
—

133.0
218.0

133.0
218.0

—
—

133.0
218.0

—
—

—
—

—
—

9.8
16.5

9.7
16.0

—

—

244.0

244.0

—

244.0

—

—

—

16.5

16.0

LB
4.0
7.0

LL
LR
4.0
7.0

L
—
—

T
6.0
10.0

TA
—
—

TB
6.0
10.0

X
6.0
10.0

Stamped
Cover
0.3
0.5

Cast
Cover
0.4
0.8

1/2
3/4

4

FM7™ Aluminum Bodies and Covers: Threaded
Capacity in Cubic Inches
Hub
Size (In.)
C
E
1/2
4.0
4.0
3/4
7.0
7.0
1
1-1/4
1-1/2

11.0
20.0
28.0

11.0
—
—

11.0
20.0
28.0

11.0
20.0
28.0

—
—
—

15.5
20.0
28.0

—
—
—

15.5
20.0
28.0

15.5
20.0
28.0

1.3
1.8
2.3

1.3
2.0
3.0

2
2-1/2

50.0
102.0

—
—

50.0
102.0

50.0
102.0

—
—

50.0
102.0

—
—

50.0
—

50.0
—

2.8
9.8

4.8
9.7

3
3-1/2

133.0
—

—
—

133.0
218.0

133.0
218.0

—
—

133.0
218.0

—
—

—
—

—
—

9.8
16.5

9.7
16.0

—

—

244.0

244.0

—

244.0

—

—

—

16.5

16.0

4

A
Effective June, 2006
Copyright 2006
PAGE 16

800-621-1506
www.appletonelec.com

A-17

FM8® Unilet® Conduit Outlet Bodies

For use with Rigid Steel, Rigid Aluminum, IMC, and EMT Conduit.

Applications
Serve as pulling fittings.
Make bends in conduit system.
Provide openings for splicing.
Connect and change direction of
conduit runs.
Allow connections for branch runs.
Permit access to conductors for
maintenance.

•
•
•
•
•
•

Features: Unilet® conduit
outlet bodies
Roomy interiors: more wiring space.
Smooth, rounded integral bushings in
hubs protect conductor insulation.
Accurately tapped, tapered threads for
tight, rigid joints and excellent ground
continuity.

•
•
•

Features: FM8® Series
❸ Completely interchangeable with
Crouse-Hinds Form 8™ bodies, gaskets
and covers. Equivalent FM8 and Form
8* units have identical applications and
installation dimensions.
Flat back design provides greater
cubic content for easier wire pulling
and more room for splicing.
FM8 Grayloy™-iron with “FG” Series
cast covers and gaskets are approved
for use in wet locations.
Stainless steel screws on stamped
and cast covers.
Smooth hub bushings and cover
openings protect conductor insulation.
Smooth hub openings allow easy conduit joining.

•
•
•
•

Standard Materials

• Unilet conduit bodies: Grayloyiron.
• Covers: cast Grayloy-iron, stamped
steel; cover screws: stainless steel.
• Gaskets: neoprene.
•
•
•

Compliances

• UL Standard 514A.
• Federal Spec. W-C-586B.
Effective September, 2005
Copyright 2005

Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron products conform to ASTM A47-77, Grade 32510,
which has the following properties: tensile strength, 50,000 psi; yield, 32,000
psi; and elongation, 10%.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.
Appleton Grayloy-iron products are a
gray iron alloy with tensile strength similar to ASTM-A48 Class 30A (30,000
psi tensile), and with a Brinell hardness
of approximately 180BH.

•

FM8

•
•

Product Cross Reference
For explosionproof conduit outlet
bodies and boxes, see Cat. Section J.
For Mogul Unilets®, see pages A-17
through A-24.

•
•

Freedom of Choice. With new FM8 series
added to Appleton’s full-line family of conduit bodies, you have a single source for
the right choice needed for every job– FM8
Grayloy-iron bodies and covers, FM7 Grayloy-iron or aluminum threaded bodies and
covers... malleable iron Form 35... aluminum
Form 85... and malleable iron or aluminum
NEC Mogul 6x8x.
Interchangeable. Appleton FM8 bodies, covers and gaskets are completely
interchangeable with equivalent CrouseHinds For m 8* bodies and covers.
Applications and installation dimensions are
also interchangeable.
No wire damage. Appleton FM8 bodies
have a smooth, rounded, internal bushing
in each hub and smooth cover openings to
protect conductor insulation.
Full-line choice. Appleton FM8 bodies are
offered in a complete range of hub configurations and sizes. FM8 covers are available
in Grayloy-iron. Covers can be used without
gaskets, or with a solid neoprene gasket.
All Appleton FM8 bodies, covers and gaskets are interchangeable with Crouse-Hinds
Form 8* bodies, covers and gaskets.
Approved for wet locations. FM8
Grayloy-iron bodies with cast covers
and gasket are approved for use in wet
locations. (NEMA 3R)

❸ FM8 Grayloy™-iron Conduit Body
with cast cover. 1” Type C shown.

*Form 8 ia a product of Crouse-Hinds, a member
company of Cooper Industries.

Maximum corrosion protection. Appleton
FM8 Grayloy-iron conduit bodies and cast
covers have a triple-coat finish– (1) zinc
electroplate, (2) dichromate, and (3) epoxy
powder coating. FM8 blank steel covers have
a zinc electroplate finish. Superior FM8 finish
gives greater corrosion protection in wet or
harsh environments, assuring long, troublefree service.
Grayloy-iron properties. Grayloy™ is an
Appleton proprietary cast graphite flake
gray iron alloy with superior physical and
mechanical properties offering strength,
hardness, fracture toughness, high vibration
absorption and dimensional stability. Tensile
strength is similar to ASTM-A48 Class 30A
(30,000 tensile), with Brinell hardness of approximately 180BH.
Aluminum properties. Aluminum products
are produced from a high strength copperfree (4/10 of 1% max.) alloy.
More wiring space. Appleton’s FM8 flatback design provides greater cubic content for easier wire pulling, and more room
for splicing. FM8 flat back fits flush and
snug against flat surfaces for more stable
installation.

A

Standard Finishes
Grayloy-iron bodies: triplecoat– (1)
zinc electroplate, (2) dichromate, and
(3) epoxy powder coat.
FM8 steel covers: zinc electroplate.
FM8 Grayloy-iron covers: triplecoat–
(1) zinc electroplate, (2) dichromate,
and (3) epoxy powder coat.

• Suitable for classified location use in

800-621-1506
www.appletonelec.com
PAGE 17

A-18

FM8® Grayloy™-Iron Unilet® Conduit Bodies
with Covers and Gaskets
For use with Rigid Steel and IMC Conduit.

These Appleton FM8 conduit bodies, covers and gaskets have the same applications and installation dimensions as Crouse-Hinds Form 8
conduit bodies. Equivalent FM8 and Form 8 items are interchangeable.

Appleton FM8® Conduit Bodies NOTE: Refer to page A-15 for Wiring Capacity Table

C

Hub
Size (in.)
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

Grayloy-Iron
C18
C28
C38
C448
C58
C68
C78
C88
—
—

T

Hub
Size (in.)
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3

Grayloy-Iron
T18
T28
T38
T448
T58
T68
T78
T88

LB

LL

Grayloy-Iron

Grayloy-Iron

Grayloy-Iron

LB18
LB28
LB38
LB448
LB58
LB68
LB78
LB888
LB98
LB108

LL18
LL28
LL38
LL448
LL58
LL68
LL78
LL888
—
—

LR18
LR28
LR38
LR448
LR58
LR68
LR78
LR888
—
—

TB

X

Grayloy-Iron

Grayloy-Iron

TB18
TB28
TB38
TB448
TB58
TB68
—
—

X18
X28
X38
X448
X58
X68
—
—

LR

Appleton FM8® Blank Covers and Gaskets (Covers furnished with stainless steel screws, 1-1/2” – 4” covers provided with 4 screws)
Stamped Cover
Steel

Cast Cover
Grayloy-Iron

Solid Gasket
Neoprene

Open Gasket
Neoprene

180F
280F
380F
480F
580F
680F
880F
880F
980F
980F

GASK851N
GASK852N
GASK853N
GASK854N
—
—
—
—
—
—

—
—
—
—
GASK805N
GASK806N
GASK808N
GASK808N
GASK809N
GASK809N

FM8
Body
Size (in.)

A

1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

180
280
380
480
580
680
880
880
980
980

Effective September, 2005
Copyright 2005
PAGE 18

800-621-1506
www.appletonelec.com

A-19

FM8® Conduit Body Dimensions

N
N

N
N
N
P
P

M
M

F
F

B
B

E

FF

H
H

D
J

A
A

D
D

C

L
L

G
G

K

R
R

TYPES E, LB, LL, LR

TYPE C

TYPES T, TB, X

Dimensions In Inches
Hub
Size

A

B

C

D

E

F

G

H

J

K

L

M

N

P

R

1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

4.22
4.81
5.59
6.56
7.88
9.75
12.25
12.25
15.00
15.00

1.47
1.66
1.84
2.19
2.78
3.88
5.00
5.00
6.25
6.25

1.47
1.69
1.97
2.38
2.78
3.56
4.44
4.81
5.69
5.94

5.94
6.56
7.56
8.44
10.38
12.38
15.63
15.63
—
—

3.13
3.31
3.72
4.06
5.28
6.38
—
—
—
—

2.31
2.50
2.78
3.13
4.03
5.13
6.69
6.69
—
—

2.28
2.50
2.91
3.31
4.03
4.81
6.13
6.50
7.56
7.81

4.38
4.91
5.72
6.41
7.75
9.19
11.44
11.44
13.75
13.75

5.09
5.75
6.63
7.50
9.13
11.13
13.94
13.94
16.88
16.88

1.78
2.00
2.28
2.63
2.78
3.56
4.44
4.81
—
—

0.63
0.75
0.88
1.09
1.38
1.88
2.50
2.50
3.13
3.13

1.25
1.50
1.75
2.19
2.44
3.00
3.50
4.25
4.75
5.25

3.28
3.94
4.53
5.31
6.50
8.63
10.88
10.88
13.44
13.44

1.00
1.19
1.38
1.75
2.09
3.00
4.25
4.25
5.44
5.44

2.59
2.81
3.22
3.56
4.03
4.81
—
—
—
—

Fraction/Decimal Equivalents (Inches)
Fraction

Fraction

Decimal

Fraction

Decimal

Fraction

0.03
0.06

9/32
5/16

0.28
0.31

17/32
9/16

0.53
0.56

25/32
13/16

0.78
0.81

3/32
1/8

0.09
0.13

11/32
3/8

0.34
0.38

19/32
5/8

0.59
0.63

27/32
7/8

0.84
0.88

5/32
3/16

0.16
0.31

13/32
7/16

0.41
0.44

21/32
11/16

0.66
0.69

29/32
15/16

0.91
0.94

7/32
1/4

0.22
0.25

15/32
1/2

0.47
0.50

23/32
3/4

0.72
0.75

31/32
1

0.97
1.00

Effective September, 2005
Copyright 2005

Decimal

A

Decimal

1/32
1/16

800-621-1506
www.appletonelec.com
PAGE 19

A-20

Wiring Capacity:
FM8® Conduit Bodies and Covers
Combine Body and Cover Capacities for Total usable Capacity
per NEC 370-6(a)(1)

FM8® Grayloy™-Iron Bodies and Covers: Threaded
Capacity in Cubic Inches
Hub
Size (In.)
1/2
3/4

C

E

LB

LL
LR

L

T

TA

TB

X

Stamped
Cover

Cast
Cover

5.0

—

5.0

5.0

—

6.0

—

6.0

6.0

0.5

0.3

8.0

—

8.0

8.0

—

10.0

—

10.0

10.0

0.8

0.8

1

13.0

—

13.0

13.0

—

15.0

—

15.0

15.0

1.0

1.0

1-1/4

24.0

—

24.0

24.0

—

25.0

—

25.0

25.0

1.5

1.5

1-1/2

42.5

—

42.5

42.5

—

44.0

—

44.0

44.0

1.8

7.5

2

105.0

—

105.0

105.0

—

105.0

—

105.0

105.0

4.5

12.5

2-1/2

200.0

—

200.0

200.0

—

200.0

—

—

—

12.3

34.5

3

217.0

—

217.0

217.0

—

217.0

—

—

—

12.3

34.5

3-1/2

—

—

380.0

—

—

—

—

—

—

24.0

65.3

4

—

—

400.0

—

—

—

—

—

—

24.0

65.3

A
Effective September, 2005
Copyright 2005
PAGE 20

800-621-1506
www.appletonelec.com

A-21

FM9™ Aluminum Unilet® Conduit Outlet Bodies,
Covers and Gaskets
For use with Rigid Steel, Rigid Aluminum and IMC.

Applications
Serve as pulling fittings.
Make bends in conduit system.
Provide openings for splicing.
Connect and change direction of
conduit runs.
Allow connections for branch runs.
Permit access to conductors for
maintenance.

•
•
•
•
•
•

Features: FM9 Unilet® conduit outlet
bodies
Roomy interiors: deep body cavity
provides increased volume allowing
higher wiring capacity.
Smooth, rounded integral bushings in
hubs protect conductor insulation.
Accurately tapped, tapered threads
for tight, rigid joints and excellent
ground continuity.
Completely interchangeable with
Crouse-Hinds Mark9™ bodies, gaskets
and covers. Equivalent FM9 and Mark
9™ units have identical applications and
installation dimensions.
Seven body styles available in 1/2”
to 4” sizes, TB’s in 1/2” to 2” ans X’s in
1/2” to1”.
Features:
Aluminum Unilets: produced from a
high-strength copper-free (4/10 of 1%
max.) alloy, for light weight and high
corrosion resistance.
FM9™ Formtite™ 9 covers with integral gasket are approved for use in wet
locations.
Covers are domed for extra wiring
space.
Smooth hub bushings and cover
openings protect conductor insulation.
Smooth hub openings allow easy conduit joining.
Stainless steel pan-head cover
screws secure cover to body and provide superior screwdriver seating and
torque. Cover screws are captive to
prevent loss in sizes 1/2” to 2”.
Hub size, body style, and compliance data molded into body in large,
easy-to-read form. Also maximum wire
number/size and cubic capacity.

•
•
•
•
•

LL Body with
Formtite™ 9 Integral Gasket Cover

•

Captive Stainless Steel
Pan-Head Cover Screws

•
•
•
•

Effective June, 2006
Copyright 2006

•
•
•
•

Standard Finishes
Conduit bodies, covers and screws:
natural

•

Compliances

A

•

Standard Materials
Conduit bodies: copper-free aluminum.
Covers: stamped copper-free aluminum
Cover screws: stainless steel.
Gaskets: Neoprene

• UL Standard 514A.

800-621-1506
www.appletonelec.com
PAGE 21

A-22

FM9™ Aluminum Unilet® Conduit Bodies, Covers
and Gaskets
For use with Rigid Steel, Rigid Aluminum and IMC Conduit.

Appleton FM9 Conduit Bodies NOTE: Refer to page A-23 for Wiring Capacity Tables

Hub Size
(in.)
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

Hub Size
(in.)
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

C

LB

LL

LR

C19
C29
C39
C49
C59
C69
C789
C889
C989
C1089

LB19
LB29
LB39
LB49
LB59
LB69
LB789
LB889
LB989
LB1089

LL19
LL29
LL39
LL49
LL59
LL69
LL789
LL889
LL989
LL1089

LR19
LR29
LR39
LR49
LR59
LR69
LR789
LR889
LR989
LR1089

T

TB

X

T19
T29
T39
T49
T59
T69
T789
T889
T989
T1089

TB19
TB29
TB39
TB49
TB59
TB69

X19
X29
X39

–
–
–
–

–
–
–
–
–
–
–

Appleton FM9 Blank Covers and Gaskets and Formtite™ 9 Stamped Aluminum Cover with Integral Gasket
(Covers furnished with Stainless Steel Screws)
Stamped Aluminum Cover

A

FM9 Body
Size (in.)
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
Effective June, 2006
Copyright 2006
PAGE 22

190
290
390
490
590
690
889
889
989
989

Solid Gasket Neoprene

Formtite™ 9

GASK1941
GASK1942
GASK1943
GASK1944
GASK1945
GASK1946
GASK808N
GASK808N
GASK809N
GASK809N

190G
290G
390G
490G
590G
690G
889G
889G
989G
989G
800-621-1506
www.appletonelec.com

A-23

FM9™ Conduit Body Dimensions

Type C, T, TB & X

Type LB, LL & LR
Dimensions in Inches
Hub Size
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
1/2
3/4
1
1-1/4
1-1/2
2

C, LB,
T, LL,
& LR

TB
&X

A
4.97
5.69
6.59
7.63
8.25
10.69
15.63
15.63
18.75
18.75
5.94
6.56
7.50
8.50
8.25
10.69

B

C

D

1.56
1.81
2.06
2.69
3.03
3.75
4.94
5.31
6.19
6.44
1.94
2.22
2.44
2.69
3.03
3.75

1.38
1.56
1.75
2.19
2.53
3.19
5.00
5.00
6.25
6.25
1.38
1.56
1.75
2.19
2.53
3.19

1.06
1.22
1.41
1.88
2.19
2.81
4.25
4.25
5.44
5.44
1.03
1.22
1.38
1.75
2.19
2.75

3.28
3.94
4.56
5.25
5.94
8.06
10.88
10.88
13.44
13.44
3.28
3.94
4.56
5.25
5.94
8.06

E

T

TB

F
4.22
4.81
5.59
6.56
7.25
9.56
12.25
12.25
15.00
15.00
4.22
4.81
5.59
6.56
7.25
9.56

G

H

0.63
0.75
0.88
1.09
1.25
1.50
2.50
2.50
3.13
3.13
0.63
0.75
0.88
1.09
1.25
1.50

2.31
2.59
3.03
3.75
4.03
4.88
6.63
7.00
8.06
8.31
2.75
3.03
3.38
3.75
4.03
4.88

Wiring Capacity in Cubic Inches
4.8
7.8

5.0
8.3

5.3
8.5

5.0
8.3

6.8
11.0

7.3
11.3

0.5
0.8

1

12.3

12.8

13.3

12.5

16.5

17.0

1.0

1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

25.3
37.5
77.5
230.0
250.0
450.0
470.0

26.5
39.0
81.3
230.0
250.0
450.0
470.0

27.3
39.8
82.8
230.0
250.0
450.0
470.0

26.3
38.5
79.5
230.0
250.0
450.0
470.0

25.8
36.5
77.0

Effective June, 2006
Copyright 2006

C

LB

LL / LR

X

Cover

1.5
2.5
6.5
12.3
12.3
24.0
24.0

–
–
–
–
–
–

K

L

1.44
1.59
1.84
2.16
2.25
2.66
4.19
4.19
5.00
5.00
1.56
1.66
1.84

2.13
2.38
2.72
3.25
3.53
4.25
6.69
6.69
8.13
8.13
2.25
2.44
2.72

–
–
–
–
–
–
–
–
–
–
3.13
3.31
3.69

M

–
–
–

–
–
–

–
–
–

Fraction/Decimal Equivalents (Inches)
Fraction
Decimal
Fraction
1/16
0.06
9/16
1/8
0.13
5/8
3/16
0.19
11/16
1/4
0.25
3/4
5/16
0.31
13/16
3/8
0.38
7/8
7/16
0.44
15/16
1/2
0.50
1

N
4.59
2.52
6.09
7.09
7.81
10.13
13.94
13.94
16.88
16.88
5.06
5.69
6.53
7.53
7.81
10.13

Decimal
0.56
0.63
0.69
0.75
0.81
0.88
0.94
1.00

A

Hub Size
1/2
3/4

J
3.59
4.09
4.84
5.38
6.00
7.88
11.44
11.44
13.75
13.75

800-621-1506
www.appletonelec.com
PAGE 23

A-24

Mogul Unilet® Conduit Outlet Bodies:
NEC 6x8x Series (C, LB and UB)
and Types LL, LR and T
For use with Threaded Rigid Metal Conduit and IMC.
Complete with Assembled Cover and Neoprene Gasket.

Applications
Larger body size facilitates pulling of
large and heavy conductors. Specially
designed raised cast covers provide
additional wiring area.
Mogul Unilets® for pulling straight,
45° or 90° angle turns and/or making
taps and splices.

•

NEC 6x8x SERIES MOGULS

•

Features

C Type NEC 8x

• LB and UB Moguls

Length Requirement: distance between
centerline of each hub bushing (conduit stop) exceeds six times the trade
diameter of the conduit per NEC 31428(a)(2).
Bending Space Requirement: these
moguls also meet the NEC 314-28(a)(2)
Exception requirement spelled out in
NEC 312-6(a) Table.
C Moguls
Length Requirement: distance between
centerline of each hub bushing (conduit
stop) exceeds eight times the trade
diameter of the conduit per NEC 31428(a)(1).
Bending Space Requirement: not applicable.
LL and LR Moguls: Like LB moguls,
these moguls have an end hub. However,
the second hub is in the side (LL left
and LR right) instead of the back.*
T Moguls: These are like “C” moguls
(1” thru 4”), except with an additional
middle side hub. Distance between the
centerline of each “C” hub conduit stop
exceeds eight times the trade diameter
of the conduit per NEC 314-28(a)(1).*
Exclusive built-in rollers facilitate
cable pulling. Available on NEC 6x8x
Series Moguls (C, LB and UB) in sizes
1-1/4” and up.
Smooth, rounded integral bushing in
each hub protects conductor insulation.
Accurately tapped, tapered threads for
tight, rigid joints and ground continuity.
Covers have captive stainless steel
screws to speed installation, prevent
“freezing” of screws.

LB Type 2-1/2” - 4” NEC 6x

•

A

*If less than maximum conductors permitted by NEC are used, smaller wires may be
used additionally through “LL”, “LR” or “T”
hubs. If large conductors are required to be
bent in “LL”, “LR” or “T” direction, order junction boxes instead from Cat. Sec. C.

Effective September, 2005
Copyright 2005
PAGE 24

LL Type NEC 6x

LR Type NEC 6x

•

•
•
•

UB Type NEC 6x

LL, LR AND T MOGULS

•

•

LB Type 1” - 2” NEC 6x

T Type NEC 8x

Standard Materials
Malleable iron or aluminum.
Gaskets: Neoprene.

•
•

Standard Finishes
iron bodies and covers:
triple-coat — (1) zinc electroplate, (2)
dichromate and (3) epoxy powder coat.
Aluminum bodies and covers: epoxy
powder coat.

• Malleable
•

• Appleton

malleable iron products
conform to ASTM A47-77, Grade
32510, which has the following properties: tensile strength, 50,000 psi; yield,
32,000 psi; and elongation, 10%.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.

•

Compliances

• UL Standard 514A.
• NEC 6x8x Series moguls comply with
NEC 314-28(a)-1-2.
• Federal Spec. W-C-586B.
• Suitable for classified location use
in Class I, Div. 2 areas, if installed in
compliance with NEC 501-4(b).

Patented rollers make cable-pulling easier,
eliminate insulation damage.
800-621-1506
www.appletonelec.com

NEC 6x8x Series (C, LB and UB)
and Types LL, LR and T Mogul Unilet®
Malleable Iron or Aluminum

A-25

For use with Threaded Rigid Metal Conduit and IMC.
Furnished with Assembled Cast Cover and Neoprene Gasket.
NOTE: Refer to page A-24 for Wiring Capacity Tables.
Type

C

NEC 8X
1” - 2”

2-1/2” - 4”

LB

NEC 6X
1” - 2”

2-1/2” - 4”

UB

NEC 6X
1” - 2”

2-1/2” - 4”

LL

NEC 6X

1” - 2”

LR

NEC 6X

Hub
Size (In.)

Body, Cover & Gasket
Malleable Iron
Aluminum

◊ Patented Roller Feature

1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

BC100-M
BC125-M◊
BC150-M◊
BC200-M◊
BC250-M◊
BC300-M◊
BC350-M◊
BC400-M◊

◊ Patented Roller Feature

1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

BLB100-M
BLB125-M◊
BLB150-M◊
BLB200-M◊
BLB250-M◊
BLB300-M◊
BLB350-M◊
BLB400-M◊

◊ Patented Roller Feature

Gasket
Only

Cover & Gasket
Malleable Iron Aluminum

BC100-A
BC125-A◊
BC150-A◊
BC200-A◊
BC250-A◊
BC300-A◊
BC350-A◊
BC400-A◊

BG100
BGC125
BG150
BGC200
BGC250
BGC300
BGC350
BGC400

BKG100-M
BKGC125-M
BKG150-M
BKGC200-M
BKGC250-M
BKGC300-M
BKGC350-M
BKGC400-M

BKG100-A
BKGC125-A
BKG150-A
BKGC200-A
BKGC250-A
BKGC300-A
BKGC350-A
BKGC400-A

BLB100-A
BLB125-A◊
BLB150-A◊
BLB200-A◊
BLB250-A◊
BLB300-A◊
BLB350-A◊
BLB400-A◊

BG100
BGL125
BG150
BGL200
BGL250
BGL300
BGL350
BGL400

BKG100-M
BKGL125-M
BKG150-M
BKGL200-M
BKGL250-M
BKGL300-M
BKGL350-M
BKGL400-M

BKG100-A
BKGL125-A
BKG150-A
BKGL200-A
BKGL250-A
BKGL300-A
BKGL350-A
BKGL400-A

1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

BUB100-M
BUB125-M◊
BUB150-M◊
BUB200-M◊
BUB250-M◊
BUB300-M◊
BUB350-M◊
BUB400-M◊

BUB100-A
BUB125-A◊
BUB150-A◊
BUB200-A◊
BUB250-A◊
BUB300-A◊
BUB350-A◊
BUB400-A◊

BG100
BGL125
BG150
BGL200
BGL250
BGL300
BGL350
BGL400

BKG100-M
BKGL125-M
BKG150-M
BKGL200-M
BKGC250-M
BKGU300-M
BKGC350-M
BKGU400-M

BKG100-A
BKGL125-A
BKG150-A
BKGL200-A
BKGC250-A
BKGU300-A
BKGC350-A
BKGU400-A

1
1-1/4
1-1/2
2

BLL100-M
BLL125-M
BLL150-M
BLL200-M

BLL100-A
BLL125-A
BLL150-A
BLL200-A

BG100
BGL125
BG150
BGL200

BKG100-M
BKGL125-M
BKG150-M
BKGL200-M

BKG100-A
BKGL125-A
BKG150-A
BKGL200-A

1
1-1/4
1-1/2
2

BLR100-M
BLR125-M
BLR150-M
BLR200-M

BLR100-A
BLR125-A
BLR150-A
BLR200-A

BG100
BGL125
BG150
BGL200

BKG100-M
BKGL125-M
BKG150-M
BKGL200-M

BKG100-A
BKGL125-A
BKG150-A
BKGL200-A

1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

BT100-M
BT125-M
BT150-M
BT200-M
BT250-M
BT300-M
BT350-M
BT400-M

BT100-A
BT125-A
BT150-A
BT200-A
BT250-A
BT300-A
BT350-A
BT400-A

BG100
BGC125
BG150
BGC200
BGC250
BGC300
BGC350
BGC400

BKG100-M
BKGC125-M
BKG150-M
BKGC200-M
BKGC250-M
BKGC300-M
BKGC350-M
BKGC400-M

BKG100-A
BKGC125-A
BKG150-A
BKGC200-A
BKGC250-A
BKGC300-A
BKGC350-A
BKGC400-A

1” - 2”

T

NEC 8X
1” - 2”

For Dimensions, See Pages A-22 and A-23.
Effective September, 2005
Copyright 2005

800-621-1506
www.appletonelec.com
PAGE 25

A

2-1/2” - 4”

A-26

Bending RADII and Bending Space of
Appleton LB and UB Moguls

Bending RADII of Appleton Moguls

LB Mogul 1”—2”

LB Mogul 2-1/2”—4”

UB Mogul

Catalog Number

Hub Size
(Inches)

Type

BLB100-A,M
BLB125-A,M

1
1-1/4

BLB150-A,M

1-1/2

BLB200-A,M

2

BLB250-A,M

2-1/2

BLB300-A,M

3

5.000

8.000

BLB350-A,M

3-1/2

5.000

8.375

BLB400-A,M

4

6.250

10.250

BUB100-A,M

1

4.500

5.500

BUB125-A,M

1-1/4

4.625

6.000

BUB150-A,M

1-1/2

7.000

8.500

BUB200-A,M

2

BUB250-A,M

2-1/2

BUB300-A,M
BUB350-A,M
BUB400-A,M

LB

UB

R1
(Inches)

R2
(Inches)

1.625
2.250

2.625
3.625

2.625

4.125

3.000

5.000

3.875

6.250

7.500

9.500

13.125

15.500

3

13.875

16.875

3-1/2

19.750

23.250

4

20.750

24.750

Appleton Compliances with NEC Bending Space Requirements

BENDING SPACE DEFINED:
NEC 370-28(a)(2) Exception.
This article applies to LB and UB Moguls,
defines bending space and refers to NEC
373-6(a) Table as guideline for determining minimum bending space distance.
Bending space is illustrated as Dimension
“A” below:

LB Mogul
1”—2”

LB Mogul
2-1/2”—4”

A
UB Mogul

Effective September, 2005
Copyright 2005
PAGE 26

MINIMUM WIRE BENDING SPACE:
NEC 373-6(a) Table
The applicable portion of this table is
shown below. Only the “1 Wire Per Terminal” column is retained, because the others are not applicable. Example for using
table below and table at right:
EXAMPLE:
350MCM wire size requires 5” bending
space. A 2” LB or UB Appleton Mogul is
suitable.

AWG or
Circular-Mill.
Size of Wire
14-10
8-6
4-3
2
1
0-00
000-0000
250 MCM
300-350 MCM
400-500 MCM
600-700 MCM
750-900 MCM
1,000-1,250 MCM
1,500-2,000 MCM

1 Wire per Terminal
Min.Bending Space
Not Specified
1-1/2”
2”
2-1/2”
3”
3-1/2”
4”
4-1/2”
5”
6”
8”
8”
10”
12”

BENDING SPACE OF APPLETON
MOGULS (Dim. “A” in sketches at left)
Mogul
Size

Type

Distance

1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4

LB,UB
LB,UB
LB, UB
LB, UB
LB, UB
LB, UB
LB, UB
LB, UB

2-1/2”
3-1/2”
4”
5”
6”
8”
8”
10”

NOTE ON RADII TABLE: Secure cable or
wire bending radius from manufacturer.
Then select a mogul having this radius
or more. If radius is 6-1/4”, an LB 2-1/2”
mogul or BUB 1-1/2” mogul is suitable.
NOTE ON NEC 373-6(a) TABLE: Because
cable sizes vary, table is limited to single
wire sizes. Use as guideline only for cable
sizes.

800-621-1506
www.appletonelec.com

A27
NEC 6x8x Series Moguls (C, LB and UB)
Comply with NEC Large-Wire Requirements
Applicable NEC References for
C, LB and UB Moguls

C Moguls— Straight Pulls:
Maximum No. Conductors, Minimum Lengths**

•Straight Pull Length Requirements:

NEC 314.28(A)(2)— C Moguls
“... shall not be less than eight times the
trade diameter of the largest raceway.”
(See table at right.)
Angle or U Pull Length Requirements:
NEC 314.28(A)(2)— LB, UB Moguls
“The distance between each raceway entry
inside the box and the opposite wall of the
box shall not be less than six times the
tradediameter of the largest raceway.”
(See next page.)
Bending-Space Requirements: NEC
314.28(A)(2). Exception 312.6(A) Table—
LB, UB Moguls
“Where a conduit or cable entry is in the
wall of a box or conduit body opposite to a
removable cover.” (See dim. “A” below, table
on next page and page 11G.)
Length and Bending Space
Requirements:

•

•

•

C Mogul— 1” thru 4”

LB Mogul— 1” thru 2”

LB Mogul— 2-1/2” thru 4”

UB Mogul— 1” thru 4”
*Dimension “A” is bending space.

Effective September, 2005
Copyright 2005

MAX. NO.
CONDUCTORS
PER NEC
PER NEC

1” HUBS
4
3
2
1
0

4
3
3
-

1-1/2”
HUBS

APPLETON

BC100-M and
BC100-A
8”
8”
8”
-

8”
8”
8”
-

BC150-M and
BC150-A

MAX. NO.
CONDUCTORS
PER NEC

1-1/4”
HUBS

LENGTH
REQUIREMENTS
(Conduit Stop to
Conduit Stop)
PER NEC

10”
10”
10”
10”
10”

7
6
5
3
3

APPLETON

BC125-M and
BC125-A
10”
10”
10”
10”
10”

2” HUBS

BC200-M and
BC200-A

4
3
2
1
0

9
8
7
5
4

12”
12”
12”
12”
12”

12”
12”
12”
12”
12”

16
13
11
8
7

16”
16”
16”
16”
16”

16”
16”
16”
16”
16”

00
000
0000
250
300

3
3
-

12”
12”
-

12”
12”
-

6
5
4
3
3

16”
16”
16”
16”
16”

16”
16”
16”
16”
16”

2-1/2”
HUBS

BC250-M and
BC250-A

3” HUBS

BC300-M and
BC300-A

22
19
16
12
10

20”
20”
20”
20”
20”

20”
20”
20”
20”
20”

35
29
25
18
15

24”
24”
24”
24”
14”

24”
24”
24”
24”
24”

00
000
0000
250
300

8
7
6
4
4

20”
20”
20”
20”
20”

20”
20”
20”
20”
20”

13
11
9
7
6

24”
24”
24”
24”
24”

24”
24”
24”
24”
24”

350
400
500
600
700

3
3
-

15”
15”
-

20”
20”
-

5
5
4
3
3

24”
24”
24”
24”
24”

24”
24”
24”
24”
24”

4
3
2
1
0

3-1/2”
HUBS

BC350-M and
BC350-A

4
3
2
1
0

47
39
33
25
21

28”
28”
28”
28”
28”

28”
28”
28”
28”
28”

60
51
43
32
27

32”
32”
32”
32”
32”

32”
32”
32”
32”
32”

00
000
0000
250
300

17
14
12
10
8

28”
28”
28”
28”
28”

28”
28”
28”
28”
28”

32
18
15
12
11

32”
32”
32”
32”
32”

32”
32”
32”
32”
32”

350
400
500
600
700
750
800
900
1000

7
6
5
4
4
3
3
3
-

28”
28”
28”
28”
28”
28”
28”
28”
-

28”
28”
28”
28”
28”
28”
28”
28”
-

9
8
7
5
5
4
4
4
3

32”
32”
32”
32”
32”
32”
32”
32”
32”

32”
32”
32”
32”
32”
32”
32”
32”
32”

4” HUBS

BC400-M and
BC400-A

A

BENDING SPACE EXAMPLE: LB with 3”
hubs (Cat. No. BLB300-M) using 500MCM
wire with four conductors.
Table on next page shows that, in this example, NEC requires a bending space of 6”
and that the Appleton 3” LB provides a bending space of 8”.
**For table on angle or U pulls,
see next page.

WIRE
SIZE

LENGTH
REQUIREMENTS
(Conduit Stop to
Conduit Stop)

NEC 370-28(a). Limited to minimum #4 wire.
NEC Chapter 9, Table 3B.
NEC 370-28(a)(1). This is 8 times conduit trade size

800-621-1506
www.appletonelec.com
PAGE 27

A-28

NEC 6x8x Series Moguls
(C, LB and UB) Comply with NEC
Large-Wire Requirements

LB and UB Moguls- Angle or U Pulls: Max. No. Conductors, Min. Lengths, Min. Bending Spaces

WIRE
SIZE

MAX. NO.
CONDUCTORS
PER NEC

LENGTH
REQUIREMENTS

PER NEC

APPLETON

6”
6”
6”
-

BLB100-M, BLB100-A
BUB100-M and BUB100-A
6”
2”
2-1/2”
6”
2”
2-1/2”
6”
2-1/2”
2-1/2”
-

1” HUBS
4
3
2
1
0

4
3
3
-

“A”
BENDING SPACE
REQUIREMENTS

(Conduit Stop to
Conduit Stop)

PER NEC

APPLETON

MAX. NO.
CONDUCTORS
PER NEC

2” HUBS

“A”
BENDING SPACE
REQUIREMENTS

(Conduit Stop to
Conduit Stop)

PER NEC

1-1/4” HUBS
7
7-1/2”
6
7-1/2”
5
7-1/2”
3
7-1/2”
3
7-1/2”

BLB150-M, BLB150-A
BUB150-M and BUB150-A

1-1/2” HUBS

LENGTH
REQUIREMENTS

APPLETON PER NEC

APPLETON

BLB125-M, BLB125-A
BUB125-M and BUB200-A
7-1/2”
2”
3-1/2”
7-1/2”
2”
3-1/2”
7-1/2”
2-1/2”
3-1/2”
7-1/2”
3”
3-1/2”
7-1/2”
3-1/2”
3-1/2”

BLB200-M, BLB200-A
BUB200-M and BUB200-A

4
3
2
1
0

9
8
7
5
4

9”
9”
9”
9”
9”

9”
9”
9”
9”
9”

2”
2”
2-1/2”
3”
3-1/2”

4”
4”
4”
4”
4”

16
13
11
8
7

12”
12”
12”
12”
12”

12”
12”
12”
12”
12”

2”
2”
2-1/2”
3”
3-1/2”

5”
5”
5”
5”
5”

00
000
0000
250
300

3
3
-

9”
9”
-

9”
9”
-

3-1/2”
4”
-

4”
4”
-

6
5
4
3
3

12”
12”
12”
12”
12”

12”
12”
12”
12”
12”

3-1/2”
4”
4”
4-1/2”
5”

5”
5”
5”
5”
5”

BLB250-M, BLB250-A
BUB250-M and BUB250-A

2-1/2” HUBS
4
3
2
1
0

3” HUBS

BLB300-M, BLB300-A
BUB300-M and BUB300-A

22
19
16
12
10

15”
15”
15”
15”
15”

15”
15”
15”
15”
15”

2”
2”
2-1/2”
3”
3-1/2”

6”
6”
6”
6”
6”

35
29
25
18
15

18”
18”
18”
18”
18”

18”
18”
18”
18”
18”

2”
2”
2-1/2”
3”
3-1/2”

8”
8”
8”
8”
8

00
000
0000
250
300

8
7
6
4
4

15”
15”
15”
15”
15”

15”
15”
15”
15”
15”

3-1/2”
4”
4”
4-1/2”
5

6”
6”
6”
6”
6”

13
11
9
7
6

18”
18”
18”
18”
18”

18”
18”
18”
18”
18”

3-1/2”
4”
4”
4-1/2”
5”

8”
8”
8”
8”
8”

350
400
500
600
700

3
3
-

15”
15”
-

15”
15”
-

5”
6”
-

6”
6”
-

5
5
4
3
3

18”
18”
18”
18”
18”

18”
18”
18”
18”
18”

5”
6”
6”
8”
8”

8”
8”
8”
8”
8”

3-1/2” HUBS

BLB350-M, BLB350-A
BUB350-M and BUB350-A

4” HUBS

BLB400-M, BLB400-A
BUB400-M and BUB400-A

A

4
3
2
1
0

47
39
33
25
21

21”
21”
21”
21”
21”

21”
21”
21”
21”
21”

2”
2”
2-1/2”
3”
3-1/2”

8”
8”
8”
8”
8”

60
51
43
32
27

24”
24”
24”
24”
24”

24”
24”
24”
24”
24”

2”
2”
2-1/2”
3”
3-1/2”

10”
10”
10”
10”
10”

00
000
0000
250
300

17
14
12
10
8

21”
21”
21”
21”
21”

21”
21”
21”
21”
21”

3-1/2”
4”
4”
4-1/2”
5”

8”
8”
8”
8”
8”

22
18
15
12
11

24”
24”
24”
24”
24”

24”
24”
24”
24”
24”

3-1/2”
4”
4”
4-1/2”
5”

10”
10”
10”
10”
10”

350
400
500
600
700
750
800
900
1000

7
6
5
4
4
3
3
3
-

21”
21”
21”
21”
21”
21”
21”
21”
-

21”
21”
21”
21”
21”
21”
21”
21”
-

5”
6”
6”
8”
8”
8”
8”
8”
-

8”
8”
8”
8”
8”
8”
8”
8”
-

9
8
7
5
5
4
4
4
3

24”
24”
24”
24”
24”
24”
24”
24”
24”

24”
24”
24”
24”
24”
24”
24”
24”
24”

5”
6”
6”
8”
8”
8”
8”
8”
10”

10”
10”
10”
10”
10”
10”
10”
10”
10”

NEC 370-28(a). Limited to minimum #4 wire.
NEC Chapter 9, Table 3B.
NEC 370-28(a)(2) This is 6 times conduit trade size.
NEC 370-28(a)(2) Exception (373-6(a) Table). This is distance “A” bending space illustrated on preceding page.

Effective September, 2005
Copyright 2005
PAGE 28

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A-29
Dimensions:
Mogul Types C, T, LL and LR

Types C & T

Types LB,† LL & LR
Dimensions in Inches

Type
Mogul

C

T

LL,LR

Hub
Trade
Size (In.)
1
1-1/4*
1-1/2*
2*
2-1/2*
3*
3-1/2*
4*
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
1
1-1/4
1-1/2
2

A
9.81
12.00
13.94
17.94
23.25
26.88
31.38
35.38
9.81
12.00
13.94
17.94
23.25
26.88
31.38
35.38
8.94
9.69
13.00
14.63

B

C

2.75
3.31
3.75
4.44
5.13
5.94
7.19
7.56
2.75
3.31
3.75
4.44
5.13
5.94
7.19
7.56
2.75
3.31
3.75
5.00

2.38
2.38
3.13
3.13
4.63
4.63
5.63
5.63
2.38
2.38
3.13
3.13
4.63
4.63
5.63
5.63
2.38
2.38
3.13
3.13

* Furnished with patented rollers for easier cable pulling.
Type Mogul

D

E

1.88
1.88
2.50
2.50
3.75
3.63
4.50
4.50
1.88
1.88
2.50
2.50
3.75
3.63
4.50
4.50
1.88
1.88
2.50
2.50

6.63
7.69
9.31
13.00
17.50
21.00
24.94
28.94
6.63
8.56
10.38
14.13
18.69
22.19
26.19
30.19
6.63
7.25
10.38
11.81

F

3.25
3.38
4.13
4.13
6.00
6.00
7.25
7.25
3.25
3.38
4.13
4.13

G

H

.94
1.16
1.38
1.63
1.81
2.16
2.50
2.75
.94
1.16
1.38
1.63
1.81
2.16
2.50
2.75
.94
1.16
1.38
1.63

2.44
3.00
3.38
4.00
4.63
5.44
6.69
7.06
2.44
3.00
3.38
4.00
4.63
5.44
6.69
7.06
2.44
3.00
3.38
4.56

J

7.88
8.50
11.63
12.94

K
1.88
2.19
2.56
3.18
3.63
4.38
4.88
5.25
1.88
2.19
2.56
3.18
3.63
4.38
4.88
5.25
1.88
2.19
2.56
3.44

Number of Cover Holes
Two

C, T and UB 2-1/2” thru 4” sizes

Four

All LB 2-1/2” thru 4” sizes

Six

A

All LB, LL and LR plus C, T and UB 1” thru 2” sizes

† See page A-23 for dimension table on LB Mogul type.
Effective September, 2005
Copyright 2005

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PAGE 29

A-30

Dimensions:
Mogul Types LB and UB

Type LB (2-1/2” thru 4”)†

Type UB

Dimensions In Inches
Type
Mogul

LB

UB

Hub
Trade
Size (In.)
1
1-1/4*
1-1/2*
2*
2-1/2*
3*
3-1/2*
4*
1
1-1/4*
1-1/2*
2*
2-1/2*
3*
3-1/2*
4*

A

B

8.94
9.69
13.00
14.63
17.88
21.06
24.31
27.50
9.63
10.25
13.69
15.25
22.88
22.88
30.88
30.88

3.63
4.75
5.25
6.31
8.00
10.00
10.25
12.50
3.50
4.13
4.63
5.00
7.06
7.31
8.94
10.31

C

D

2.38
2.38
3.13
3.13
5.88
5.88
7.00
7.00
2.38
2.38
3.13
3.13
4.63
4.63
5.63
5.63

1.88
1.88
2.50
2.50
3.50
3.50
4.63
4.63
1.88
1.88
2.50
2.50
3.75
3.75
4.50
4.50

E

G

6.63
6.31
9.31
10.75
13.75
17.00
19.88
23.00
6.63
6.31
9.31
10.75
17.50
17.50
24.88
24.88

.94
1.16
1.38
1.63
2.13
2.50
3.00
3.25

H
2.44
3.44
3.94
4.88
4.13
5.13
4.75
6.38
2.44
3.00
3.38
4.56
5.44
6.81
7.06
8.44

J
7.88
8.50
11.63
12.94
15.81
18.50
21.38
24.38
8.44
8.94
12.19
13.38
20.13
20.13
27.50
27.50

K

L

1.88
2.63
3.06
3.44

1.88
2.16
2.38
2.69
4.56
5.38
6.63
7.00

1.88
2.19
2.56
3.18
4.38
4.38
5.25
5.25

* Furnished with patented rollers for easier cable pulling.
† See page A-22 for illustration of LB in sizes 1” thru 2”.

A

Type Mogul

Number of Cover Holes

All LB, LL and LR plus C, T and UB 1” thru 2” sizes

Two

C, T and UB 2-1/2” thru 4” sizes

Four

All LB 2-1/2” thru 4” sizes

Six

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Copyright 2005
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A-31

Wiring Capacity:
Mogul Bodies with Cover

Body and Cover Capacities Combined for Total Usable Capacity
per NEC 370-6(a)(1).

Mogul Bodies with Covers:
Malleable Iron and Aluminum

CAPACITY IN CUBIC INCHES

Hub Size, Inches

Type Mogul

Capacity, Cu. In.

1

C, LB, LL
LR, T, UB

31

1-1/4

C, T
LB
LL, LR
UB

50
48
42
40

1-1/2

C, LL, LR, T
LB
UB

93
107
91

2

C, T
LB
LL, LR, UB

143
145
134

2-1/2

C, T
LB
UB

335
210
375

3

C, T
LB
UB

475
345
445

3-1/2

C, T
LB
UB

830
500
840

4

C, T
LB
UB

1010
740
960

A

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A-32

LBD and LBDN Pulling Fittings:
Malleable Iron, Aluminum

UNILET® for use with Threaded Rigid Metal Conduit and IMC.
Furnished with Cover and Gasket.

Features
Serve as pulling fittings—ideal for
heavy, difficult-to-bend conductors.
Make 90° bends in conduit—straight
pull through hubs in either direction.
Use as service entrance fitting.
Complete with gasketed covers.

Hub
Size (in)

Catalog Number
Malleable
Iron
Aluminum

LBD

1/2
3/4
1

LBD50-M
LBD75-M
LBD100-M

—
—
—

• Unilets and covers: malleable iron
(some in aluminum).
• Gaskets: Neoprene or composition

LBD

1-1/4
1-1/2
2

LBD125-M
LBD150-M
LBD200-M

LBD125-A
LBD150-A
LBD200-A

Standard Finishes
iron bodies and covers:
triple-coat — (1) zinc electroplate,
(2) dichromate and (3) epoxy powder
coat.
Aluminum bodies and covers: epoxy
powder coat.

LBDN

2-1/2
3
3-1/2
4

LBDN250-M
LBDN300-M
LBDN350-M
LBDN400-M

LBDN250-A
LBDN300-A
LBDN350-A
LBDN400-A

•
•
•
•

Type

Standard Materials

fiber.

• Malleable
•

LBD Dimensions

LBDN Dimensions

Compliances
UL Standard 514A.
Federal Spec. W-C-586B.
LBDN complies with NEC 37028(a)(2).
Suitable for classified location use in
Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron conforms to
ASTM A47-77, Grade 32510.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.

•
•
•
•
•
•

LBDN Series Dimensions, Inches
LBD/LBDN Bodies and Covers:
Malleable Iron and Aluminum
Hub Size (Inches)

Capacity, Cu. In.

1/2

4.0

3/4

8.0

Hub
Trade
Size (In.)
2-1/2
3
3-1/2
4

A

B

C

D

17.88
21.06
24.31
27.50

8.00
10.00
10.25
12.50

5.88
5.88
7.00
7.00

3.50
3.50
4.63
4.63

D

A

1

12.0

1-1/4

37.0

LBD Series Dimensions, Inches

1-1/2

66.0

2

81.0

2-1/2 (LBDN)

210.0

3 (LBDN)

345.0

3-1/2 (LBDN)

500.0

4 (LBDN)

740.0

Hub
Trade
Size (In.)
1/2
3/4
1
1-1/4
1-1/2
2

Effective September, 2005
Copyright 2005
PAGE 32

A

B

C

5.00
6.19
6.38
8.50
12.25
12.44

2.19
2.50
2.69
-

1.31
1.50
1.75
2.63
3.13
3.13

4.38
5.50
5.50
7.50
10.94
10.94

E
13.75
17.00
19.88
23.00

E
1.25
1.44
1.69
2.13
2.31
2.75

G

H

J

L

2.13
2.50
3.00
3.25

4.13
5.13
4.75
6.38

15.81
18.50
21.38
24.38

4.56
5.38
6.63
7.00

F

G

H

J

3.38
4.13
4.13

4.75
4.88
5.25

3.56
4.75
4.94
7.19
10.63
10.63

.94
1.13
1.38
2.00
2.56
2.56

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A-33

JB Conduit Outlet Boxes, Covers, and Hangers:
Malleable Iron, Aluminum
UNILET® for use with Threaded Rigid Metal Conduit and IMC.
NOTE: Refer to page A-31 for Wiring Capacity Tables.

Features
Raintight when enclosed and gasketed with hub or blank covers.
For exposed or concealed use.
Blind cover screw holes prevent
conductor damage during installation,
provide water-tightness.
Available in three inside depths—
1-5/16”, 2-1/16”, and 3-1/8”.
Order with or without mounting lugs.
Furnished with four tapped holes and
two close-up plugs.
Malleable iron or aluminum.
Cushion fixture hangers enclosed
and gasketed (vaportight).

•
•
•

• JB-A boxes and covers: copper-free
aluminum.
• Gaskets: Neoprene or composition

•
•
•
•
•

• Malleable iron conduit outlet boxes,

Standard Materials
conduit outlet boxes and covers plus JB fixture hangers: malleable
iron.

• JB

fiber.

Standard Finishes

JB conduit outlet box. Choice of three
depths. JBX shown.

and hub covers: triple-coat — (1) zinc
electroplate, (2) dichromate and (3)
epoxy powder coat.
Fixture hangers, JB 1/2” hub and
blank covers: (1) zinc electroplate,
(2) dichromate and (3) epoxy powder
coat.
Aluminum JB conduit outlet boxes:
epoxy powder coat.

• Federal Spec. W-C-586B.
• Suitable for classified location use in

•

Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron conforms to
ASTM A47-77, Grade 32510.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.

•
•

•

Compliances

• UL Standard 514A.

Length
(A)

Catalog Number
Malleable Iron Aluminum

—
—
—

JBX-50
JBX-75
JBX-100

—
—
—

—
—
—

JBX-50L
JBX-75L
JBX-100L

JBX50L-A
JBX75L-A
—

—
—
—

JBDX-50
JBDX-75
JBDX-100

—
—
—

1/2
3/4
1

—
—
—

JBDX-50L
JBDX-75L
JBDX-100L

—
—
—

Furnished with four tapped
openings and two close-up plugs.
With removable mounting lugs
1/2
3/4
1

—
—
—

JBLX-50L
JBLX-75L
JBLX-100L

JBLX-50L-A
JBLX-75L-A
JBLX-100L-A

Description

Hub Size
(Inches)

JBX — 1-5/16” inside depth

Furnished with four tapped
openings and two close-up plugs.
Less mounting lugs
1/2
3/4
1
With mounting lugs

1/2
3/4
1

JBDX — 2-1/16” inside depth

Furnished with four tapped
openings and two close-up plugs.
Less mounting lugs
1/2
3/4
1
With mounting lugs

JBLX — 3-1/8” inside depth

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PAGE 33

A

Effective September, 2005
Copyright 2005

A-34

JB Conduit Outlet Boxes, Covers, and Hangers:
Malleable Iron, Aluminum
UNILET® for use with Threaded Rigid Metal Conduit and IMC.
NOTE: Refer to page A-31 for Wiring Capacity Tables.

Length
(A)

Catalog Number
Malleable Iron Aluminum

Furnished with screws.
When used with gasket provides
raintight fit, supports 250 lbs.
Hub Covers
1/2
3/4
Cover
Blank

.75” (1.9cm)
.94” (2.3cm)
.19” (0.4cm)

JBK-50
JBK-75
JBK-B

JBK-50-A
JBK-75-A
JBK-1B-CA

JBX, JBDX, JBLX —
Gasket, Neoprene

—

JB-GK-N

JB-GK-N

Furnished with gasket and screws.
Ball Type — 15° swing in all
directions, support 250 lbs.
1/2
3/4

2.56” (6.5cm)
2.56” (6.5cm)

JBK-50-BS
JBK-75-BS

—
—

Cushion type, enclosed and
gasketed — 8° swing in all
directions. Cushions 40 lbs.,
supports 250 lbs.

1.63 (4.1cm)
1.63 (4.1cm)

JBK-50-CS
JBK-75-CS

—
—

Description

Hub Size
(Inches)

JBX, JBDX, JBLX — Cast Covers

A

A

—

JBX, JBDX, JBLX —
Flexible Fixture Hangers
A

Ball

A

Cushion

Dimensions
Hub size
(Inches)
1/2
3/4
1
Hub size
(Inches)
1/2
3/4
1

1/2
3/4

JB Malleable Iron and Aluminum Boxes.
Dimension “A” (Inches)
JBX
JBDX
JBLX
.75
.88
.81

.75
.88
1.06

.75
.88
1.06

Dimension “A”(Centimeters)
JBX

JBDX

JBLX

1.9
2.2
2.1

1.9
2.2
2.7

1.9
2.2
2.7

CAPACITY IN CUBIC INCHES*
Hub
Size (In.)

JBX

JBDX

JBLX

1/2
3/4
1

15.5
15.5
15.5

23.0
23.0
23.0

33.0
33.0
33.0

*JB covers add no additional cubic inch capacity.

A
JBX and JBDX
Effective September, 2005
Copyright 2005
PAGE 34

JBLX
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A-35

GS Conduit Outlet Boxes, Covers, and Hangers:
Malleable Iron
UNILET® for use with Threaded Rigid Metal Conduit and IMC.

Features
Raintight when enclosed and gasketed with hub or blank covers.
Extra wide mating surfaces of GS
box and cover provide greater gasket
contact for more positive seal.
For exposed or concealed use.
GSU-20 will take connection block.
Universal design—furnished with 4
threaded universal 3/4” hubs, four 3/4” to
1/2” reducers, and 3 close-up plugs.
Furnished with mounting lugs.
Cushion fixture hangers enclosed
and gasketed (vaportight).

•
•
•
•
•
•
•

Standard Materials
Conduit outlet boxes, covers and
fixture hangers: malleable iron.
Gaskets: Neoprene or composition
fiber.

•
•

Standard Finishes
Malleable iron conduit outlet boxes,
fixture hangers hub covers: triple-coat
— (1) zinc electroplate, (2) dichromate
and (3) epoxy powder coat.
1/2” hub and blank covers: (1) zinc
electroplate, (2) dichromate and (3)
epoxy powder coat.

•
•

Compliances

• UL Standard 514A.
• Federal Spec. W-C-586B.
• Suitable for classified location use in

GS conduit outlet box. Four tapped
conduit entrances.

Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron conforms to
ASTM A47-77, Grade 32510.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.

•
•

Hub Size
(Inches)

Length
(A)

Catalog Number

Four threaded universal 3/4” hubs,
four 3/4” to 1/2” reducers, and
three 1/2” close-up plugs.

1/2 or 3/4

—

GSU-20

Four 1” threaded openings and
three 1” close-up plugs.

1

—

GSU-100

1/2
3/4
Blank

1.75” (4.4cm)
1.75” (4.4cm)
1.06” (2.6cm)

GSK-50-20
GSK-75-20
GSK-BC-20

—

1.63” (4.1cm)

GSK-LR20

Description

GS — 1-3/4” inside depth,
with mounting lugs (Form 20)

GSU-20

GSU-100

GS — Cast Covers
A

Furnished with gasket and screws.
Hub Cover

A

Enclosed and gasketed for raintight fit,
supports 250 lbs.
Hub Cover

Blank Cover

Blank Cover

GS — Cover, Lamp Receptacle
Furnished with gasket and screws.

A

Effective September, 2005
Copyright 2005

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PAGE 35

A-36

GS Conduit Outlet Boxes, Covers, and Hangers:
Malleable Iron
UNILET® for use with Threaded Rigid Metal Conduit and IMC.

Hub Size
(Inches)

Length
(A)

Catalog Number

Furnished with mounting screws.
5-Wire, 20-Amp, 300 Volt

—

—

CB205

GS — Gasket, Neoprene

—

—

GS-GK20-R

Ball Type — 15° swing in all
directions, support 250 lbs.

—
—

3.00” (7.6cm)
3.25” (8.2cm)

GSK-50-20B
GSK-75-20B

Cushion Type, enclosed and
gasketed — 8° swing in all
directions. Cushions 40 lbs.,
supports 250 lbs.

—
—

2.00” (5.0cm)
2.00” (5.0cm)

GSK-50-20C
GSK-75-20C

Description
1.312” / 3.33 cm

i

i

2.875” / 7.06 cm

GS-20 — Connection Block

0.219” / 0.56 cm

GS — Flexible Fixture
Hangers — Form 20
Furnished with gasket and screws.
A

Ball

A

Cushion

Dimensions

GSU-20

GSU-100

Inside Depth
1.75” (4.5cm)

Inside Depth
1.75” (4.5cm)

GS Malleable Iron Boxes*
CAPACITY IN CUBIC INCHES
GS

GSK Covers
Hub
Blank

1/2

24.0

8.5

8.5

3/4

24.0

8.5

8.5

1

24.0

8.5

8.5

A

Hub
Size (In.)

Effective September, 2005
Copyright 2005
PAGE 36

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www.appletonelec.com

SEH Conduit Outlet Boxes and Covers:
Malleable Iron

A-37

UNILETS® for use with Threaded Rigid Metal Conduit and IMC.
SEH Boxes Take Wiring Devices Designed
for 4” Octagonal Outlet Boxes.
NOTE: Refer to page A-31 for Wiring Capacity Tables.

Features
Economy cast conduit outlet box.
Take wiring devices designed for 4”
octagonal outlet boxes.
Two 8-32 screw holes tapped on
3-1/2” centers.

•
•
•

Hub Size
(Inches)

Catalog
Number

SEH

1/2
3/4

SEH-50
SEH-75

SEHC

1/2
3/4

SEHC-50
SEHC-75

SEHL

1/2
3/4

SEHL-50
SEHL-75

SEHT

• UL Standard 514A.
• Federal Spec. W-C-586B.
• Suitable for classified location use in

1/2
3/4

SEHT-50
SEHT-75

SEHX

1/2
3/4

SEHX-50
SEHX-75

•
•

SEH—Covers

Description

Standard Materials

• Conduit outlet boxes and covers:
malleable iron.
• Gaskets: Neoprene or composition
fiber.

Standard Finishes

• Malleable iron conduit outlet boxes,

and hub covers: triple-coat — (1) zinc
electroplate, (2) dichromate and (3)
epoxy powder coat.
Blank cast cover: (1) zinc electroplate, (2) dichromate and (3) epoxy
powder coat.
Blank steel cover: zinc electroplate.

•
•

Compliances

Class I, Division 2 areas, if installed in
compliance with NEC 501-4(b).
Appleton malleable iron conforms to
ASTM A47-77, Grade 32510.
Appleton aluminum products are produced from a high strength copper-free
(4/10 of 1% max.) alloy.

Furnished with screws.

Hub Cover, cast malleable

1/2

SEHK-50

Cover, steel

Blank

SEHK-B

Cover, cast malleable

Blank

SEHK-BC

SEH—Gasket

SEH-GK

Fiber Composition

Dimensions
Hub Size
(Inches)

A (Inches)

A(Centimeters)

1/2
3/4

.63
.75

1.6
1.9

CAPACITY IN CUBIC INCHES
SEH

1/2
3/4

18.0
18.0

A

Hub
Size (In.)

*SEH covers add no additional cubic inch capacity.
Effective September, 2005
Copyright 2005

800-621-1506
www.appletonelec.com
PAGE 37

A-38

Pull Boxes with Threaded Hubs and Covers
For use with Threaded Rigid Metal Conduit and IMC.

Applications
Serve as pulling fittings.
Provide openings for splicing.
Make straight connections and 90°
bends in conduit runs.
Permit access to conductors for
maintenance.

•
•
•
•

TYPE “PTB”

Features

• Roomy interiors, more wiring space.
• Accurately tapped, tapered threads
(NPT) for tight, rigid joints and ground
continuity.

PTB/PTC gasket

TYPE “PTC”

Standard Materials
Bodies and covers– steel.
Hubs– malleable iron or steel.
Cover bolts– stainless steel.

•
•
•

Standard Finish

• Zinc electroplate, dichromate and
epoxy powder coat.
Size Range

• Straight Type PTC– 1” thru 6” (hub)
sizes, 12” thru 48” lengths.

Options
Custom lengths up to 72” available,
consult factory.

•

Compliances
UL Standard 514A.

•

A
Effective September, 2005
Copyright 2005
PAGE 38

Catalog Numbers
Straight
90°
PTC Box
PTB Box

Gaskets for
PTC & PTB

Hub
Size
(In.)

A

12-inch
1200
1201
1202
1203

1250
1251
1252
1253

GK-12-100
GK-12-150
GK-12-150
GK-12-200

1
1-1/4
1-1/2
2

12
12
12
12

2-3/16
2-1/2
2-1/2
3-11/32

2-1/8
2-7/16
2-7/16
3-5/16

27/32
1-1/16
1-1/16
1-5/16

15/16
1-5/32
1-3/8
1-11/16

18-inch
1211
1212
1213
1214

—
—
—
—

GK-18-150
GK-18-150
GK-18-200
GK-18-250

1-1/4
1-1/2
2
2-1/2

18
18
18
18

2-1/2
2-1/2
3-11/32
4-13/16

2-7/16
2-7/16
3-5/16
4-3/4

1-1/16
1-1/16
1-5/16
1-19/32

1-5/32
1-3/8
1-11/16
1-13/16

24-inch
1222
1223
1224
1225

1272
1273
1274
1275

GK-24-150
GK-24-200
GK-24-300
GK-24-300

1-1/2
2
2-1/2
3

24
24
24
24

2-1/2
3-11/32
4-13/16
4-13/16

2-7/16
3-5/16
4-3/4
4-3/4

1-1/16
1-5/16
1-19/32
1-21/32

1-3/8
1-11/16
1-13/16
2-1/16

36-inch
1244
1245
1246
1247

1294
1295
1296
1297

GK-36-300
GK-36-300
GK-36-400
GK-36-400

2-1/2
3
3-1/2
4

36
36
36
36

4-13/16
4-13/16
6-5/16
6-5/16

4-3/4
4-3/4
6-3/16
6-3/16

1-19/32
1-21/32
1-29/32
1-29/32

1-13/16
2-1/16
2-3/8
2-21/32

48-inch
1812
1813
1814
1815
1816

—
—
—
—
—

GK-48-300
GK-48-400
GK-48-400
GK-48-500
GK-48-600

3
3-1/2
4
5
6

48
48
48
48
48

4-13-16
6-5/16
6-5/16
7-5/16
8-5/16

4-3/4
6-3/16
6-3/16
7-3/16
8-3/16

1-21/32
1-29/32
1-29/32
1-27/32
2-1/32

2-1/16
2-3/8
2-21/32
3-1/4
4-1/32

Pull Box Dimensions (Inches)
B
C
D
E

800-621-1506
www.appletonelec.com

A-39
Big-Bend™ Cast Pulling Elbow
For use with Threaded Rigid Metal Conduit and IMC.

Application
Big-Bend™ Pulling Elbow is installed
in conduit systems to provide 90°
bends in conduit runs, pull outlets for
conductors, access to conductors for
maintenance and openings for making
splices.

•

Features
Cast from copper-free aluminum.
Composition gasket in cover.
Stainless steel cover bolts.
Plugged 1/2” outlets top and bottom
for breather and drain.
Available in cast iron.
Allows bending radius of 8 to 12 times
outside diameter of conductor.
Conductors can be pulled straight
through.
Cover easily installed.

•
•
•
•
•
•
•
•

Conduit Systems Installations

Standard Materials

• Bodies and covers: copper-free
aluminum.
• Gaskets: composition.
• Cover bolts: stainless steel.
Standard Finishes

• Acrylic paint.
Compliances

• Certification Standard
18-M1987 NEMA 4.
• UL Standard 514A.

C22.2 No.

A

Effective September, 2005
Copyright 2005

800-621-1506
www.appletonelec.com
PAGE 39

A-40
Big-Bend™ Cast Pulling Elbow
Conduit Systems Installations

BENDING RADII OF BIG-BEND PULLING ELBOW
Catalog
Number
BB1-050
BB1-075
BB1-100
BB1-125
BB1-150
BB1-200
BB1-250
BB1-300
BB1-350
BB1-400
BB2-075
BB2-100
BB2-125
BB2-150
BB2-200
BB2-250
BB2-300
BB2-350
BB2-400
BB3-050
BB3-075
BB3-100
BB3-125
BB3-150
BB3-200
BB3-250
BB3-300
BB3-350
BB3-400
BB3-500
BB3-600
Size

Conduit
Size (In.)

R1
(In.)

1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
5
6

8.187
8.062
7.875
7.812
7.687
7.437
7.250
6.875
6.687
6.437
12.937
12.750
12.687
12.562
12.312
12.125
11.750
11.562
11.312
13.062
12.937
12.750
12.687
12.562
12.312
12.125
11.750
11.562
11.312
10.812
10.312
BB1

8.812
20.79
8.875
20.48
8.937
20.00
9.250
19.84
9.312
19.52
9.500
18.89
9.687
18.42
9.937
17.46
10.250
16.98
10.500
16.35
13.750
32.86
13.812
32.39
14.125
32.22
14.187
31.91
14.375
31.27
14.562
30.80
14.812
29.85
15.125
29.37
15.375
28.73
13.687
33.18
13.750
32.86
13.812
32.39
14.125
32.22
14.187
31.91
14.375
31.27
14.562
30.80
14.812
29.85
15.125
29.37
15.375
28.73
15.812
27.46
16.375
26.19
BB2

12x12x6
18lbs.

18x18x6
32 lbs.

Inside Dimensions
Approx. Shp. Wt/Unit

R2
(In.)

R1
(Cm)

R2
(Cm)
22.38
22.54
22.70
23.50
23.65
24.13
34.60
25.24
26.04
26.67
34.93
35.08
35.88
36.03
36.51
36.99
37.62
38.42
29.05
34.76
34.93
35.08
35.88
36.03
36.51
36.99
37.62
38.42
39.05
40.16
41.59
BB3
18x18x8
48 lbs.

Dimensions In Inches
BB2

BB1
A
B
C
D
E
F
G

12-3/4
9
18-3/4
9
12-3/4
3-7/8
7-3/4

A
B
C
D
E
F
G

BB1
32.39
24.48
47.63
24.48
34.93
9.84
19.69

A

Conduit
Size (In.)
1/2
3/4
1
1-1/4
1-1/2
2

19-7/8
14
27-1/4
14
19-7/8
3-7/8
7-3/4
Dimensions In Centimeters
BB2
50.48
38.10
69.22
38.10
50.48
9.84
19.69

Code
050
075
100
125
150
200

BB3
19-7/8
14
27-1/2
14
19-7/8
5
10

Conduit
Size (In.)
2-1/2
3
3-1/2
4
*5
*6

BB3
50.48
35.56
69.85
35.56
50.48
12.70
25.40

Code
250
300
350
400
500
600

* Available in Big-Bend™ Size 3 only

Effective September, 2005
Copyright 2005
PAGE 40

800-621-1506
www.appletonelec.com

A-41

®

A

Effective September, 2005
Copyright 2005

800-621-1506
www.appletonelec.com
PAGE 41



---

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