ADCP-96-088 • Issue 2 • 6/2013
Page 21
© 2013, Tyco Electronics Corporation. All Rights Reserved.
4.6
Grounding Wire Connection To Cabinet
Prior to mounting the cabinet, a grounding system and grounding wire should have been
installed (see
) in the space below the cabinet. Use the following procedure to
connect the grounding wire to the cabinet:
1. Locate the grounding wire that was installed prior to mounting the cabinet on the pad.
2. Working through the back access opening, insert the grounding wire through the flexible
membrane at the point indicated in
.
3. Route the grounding wire to the cabinet grounding lug located on the right side (viewed
from the back) of the cabinet.
4. Attach the grounding wire to the cabinet grounding lug. The grounding lug can be used for
#6 – 14 AWG wire.
5. Tighten the grounding lug set screw to 30 to 35 lbs force – inches (3.4 to 4.0 Nm of torque).
6. Leave sufficient slack so the grounding wire can be routed and repositioned as needed.
7. Reinstall the front and back access covers that were removed in step 1 of
. Use
a 3/16-inch hex-key to tighten the screws that secure the access covers to the cabinet ground
spacer/riser.
Figure 14. Grounding Wire Connection To Cabinet
GROUNDING WIRE
ENTRY POINT
21639-D
GROUNDING WIRE ROUTED
TO GROUNDING BUS BAR
CABINET
GROUNDING LUG
(#6 - #14 AWG WIRE)