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Grounding joined cabinets – Powerware 5075 kVA User Manual

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Powerware BPIII Harsh Environment UPS 50--75 kVA Installation and Operatio

n

164201261 Rev. F 111503

Grounding Joined Cabinets

Open the door of each cabinet. Locate the grounding stud at the front/side of each

frame. Remove the top nut, lock washer, and flat washer from each stud (if

attached, see Figures 5).

1.

Locate the grounding cable (part of the field kit, located in a small bag which is

fastened to the UPS cabinet in the customer terminal area).

2.

Mount the grounding cable as shown in Figure 5, attaching it to the frame of

each cabinet using the hardware previously removed.

CABINET BASE

(side view)

FRONT

GROUNDING CABLE

HARDWARE REMOVED

BEFORE PLACING LUG

OVER GROUND STUD

PERMANENTLY

ATTACHED

HARDWARE

Figure 5. Cabinet-to-Cabinet Grounding