TA04634_approvals_v3 Installation Directions
2016-09-04
: Pdf 169693-Installationsheet 169693-InstallationSheet B4 unilog
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NOTICE: GROUNDING TRANSITION WASHERS ARE
DESIGNED FOR BONDING ALUMINUM PANEL FRAMES TO
STEEL OR ALUMINUM STRUT (1-5/8” & 1-1/2” WIDTH) OR
STRUCTURAL MEMBERS WITH A MINIMUM CROSS
SECTION OF .354 in.
1. Install a minimum of two grounding transition washers
for each panel. Washers may be at opposite corners.
For end panels place two washers on the same side,
see gure 1.
(catalog numbers may have alpha and/or numeric sufxes)
NOTICE: THIS PRODUCT IS TO BE INSTALLED BY A
QUALIFIED ELECTRICIAN IN ACCORDANCE WITH
NATIONAL ELECTRICAL CODE OR CANADIAN ELECTRICAL
CODE REQUIREMENTS.
NOTICE: GROUNDING TRANSITION WASHERS ARE
DESIGNED FOR USE WITH PANELS THAT HAVE A FLUSH,
UNINTERRUPTED BONDING SURFACE (SEE FIGURE 2).
2. Using a clamp with a 1/4” bolt, place washer
between panel frame and strut or structural member.
Place washer so rows of teeth on washer run parallel
with strut rails. Place washer with one panel in place
then install second panel, reference gure 3 below.
3. With both panels installed, torque the bolt to a
minimum value of 100 lbs-in.
4. After complete assembly of the panels, perform a
continuity check between the panel frames and the
support strut or structural member.
NOTICE: GROUNDING TRANSITION WASHERS ARE FOR
ONE-TIME USE ONLY. IN THE EVENT A PANEL NEEDS TO
BE REMOVED FOR MAINTENANCE, REPLACE THE WASH-
ERS WITH NEW ONES BEFORE RE-ASSEMBLY.
INSTALLATION INSTRUCTIONS
FOR GROUNDING TRANSITION WASHER
Catalog Number Series DTSW
TA04634 A
Page 1 of 1
INSTRUCTIONS
© 2011 Thomas & Betts. All Rights Reserved.
Thomas & Betts Corporation
Memphis, Tennessee
www.tnb.com
Limited Warranty Applies. Refer to: www.tnb.com/ecpwarranty for full warranty terms.
CAUTION
FAILURE TO TORQUE WASHERS TO THE
MINIMUM TORQUE VALUE MAY RESULT IN
POOR BONDING BETWEEN THE PANEL
FRAMES AND THE STRUT.
WARNING
RISK OF SHOCK, DISCONNECT
POWER BEFORE INSTALLATION.
FIGURE 1
FIGURE 3
FIGURE 2
Flush, Uninterrupted
Bonding Surface
Clamp and
Hardware (1/4” bolt
required)
Cutaway View Full View
Transition
Washer
Aluminum
Panel Frames
Aluminum or
Steel Strut or
Structural
Member
End panel with two
washers on the
same side
Identies
locations to
place washers