Dell H955N User Manual page 28

To hardwire the UPS input:
1
Switch off utility power at the distribution point where the UPS will be connected. Be absolutely
sure there is no power.
2
Remove the terminal block cover (four screws) and retain.
Figure 18. Removing the Terminal Block Cover
3
Punch a hole in the terminal block cover for the input conduit using a Greenlee
device. The hole accommodates 3/4" or 1" IMC conduit.
4
Pull the input wire through the conduit, leaving approximately 2 ft (0.5m) of exposed wire. Attach
a flexible metal fitting to the end of the conduit.
5
Insert the conduit through the wiring access entry and attach the conduit fitting to the panel.
Strip 0.5" (1.5 cm) of insulation from the end of each incoming wire.
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Installation
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punch or similar