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Powerware
®
9 Prestige SeriesUser’s Guide(4500/6000 VA) Rev H www.powerware.com
Ground
TB1
TB2
Ground
Line 1
Input Connection
Output Connection
Input
Connections
REPO
Connections
Line 2/Neutral
Line 1
Line 2/Neutral
REPO Line 1
REPO Line 2
REPO Ground
Figure 11. Hardwired PPU Terminal Blocks
7. Determine your equipment’s grounding requirements according
to your local electrical code.
8. As part of the branch circuit that supplies this unit, install an
insulated grounding conductor. Use the following specifications
for the grounding conductor that connects to input ground
terminal TB1-1.
Material and insulation thickness: must be identical to the
grounded and ungrounded branch-circuit supply conductors
Color: consult local code requirements for ground wire color
code (usually green with or without a yellow stripe)
Ground: should be grounded to the earth ground in the
service equipment or in the supply transformer (if supplied
by a separately-derived system)
NOTE All attachment plug-receptacles on, or connected to, the UPS or system
equipment must be a grounding type. The grounding conductors serving these
receptacles must be connected to the earth ground in the service equipment.