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Page 82 of 436
Installing overhead cable tray kits
NN43021-310
Standard 06.01
CAUTION — Service Interruption
System Failure
Column frames must be insulated from contact with
building structures such as concrete walls, floors,
and ceilings. Whether the cable racks are
column-mounted or ceiling-hung, the installation
must maintain the integrity of the grounding
architecture.
Procedure 4
Installing the overhead cable tray kits
1
Remove air exhaust grills at the front and rear of the top cap. Pull forward
on the two clips underneath the front edge of each grill and lift up to
remove the grill (see Figure 26).
Figure 26
Removing top cap grills
Note:
If routing cables through
the top, replace the rear
exhaust grill with the
optional Top Cap Cable
Egress Panel (P0699851),
which has cutouts for the
cables.
2
Mount a support bracket at the front and rear of the module (see Figure 27
on
page
83). Using two bolts, secure each support to the threaded holes
in the top of the module.
March 2013
Top cap
Air exhaust grill
(rear)
Module
Air exhaust grill
Clips
553-AAA1514
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