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