Vertiv™ NetSure™ External Distribution Box (EDB) Description and Installation Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
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9
Grounding the Enclosure
9.1
Important Safety Instructions
DANGER!
Adhere to the “Important Safety Instructions” starting on page vi.
9.2
General
All enclosure grounding must be installed prior to turn up of enclosure.
9.3
Enclosure Grounding Terminals
Enclosure grounding terminals (1/4-inch studs on 5/8-inch centers) are located on the exterior of the enclosure’s lower left side panel.
Refer to Figure 9.1 for location and recommended torque.
Procedure
1.
Install a 2 AWG cable from this termination to the platform/site ground.
9.4
Main Ground Bar
A main ground bar is located inside the enclosure. Refer to Figure 9.2 for location and recommended torque. The main ground bar
provides 1/4-inch bolts on 5/8-inch centers for installation of customer provided lugs.
Procedure
1.
Install a 2 AWG cable from the main ground bar to the platform/site ground.
Figure 9.1 Enclosure Grounding Termination Location
Enclosure
Grounding
Terminals
Front
1/4-20 Studs on 5/8” Center for
Connection into Site Ground Network.
Enclosure Grounding Termination
1/4-20 Nut
1/4” Lock Washer
1/4” Flat Washer
(Recommended
Torque: 48 in-lbs.)
