Dell Online Rack UPS 3750W, Getting Started, Page: 22 / 202

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Installation and Startup
Installing the Input and Ground Wires
3
Punch a hole in the terminal block cover for the input conduit using a Greenlee
®
punch or similar
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.
6
Connect the input and ground wires to the terminal block according to Table 1.
Table 1. UPS Wiring Specifications
Wire
Function
Terminal
Position
UPS Wire Function
Terminal Wire
Size Rating*
Tightening
Torque
Input 1 Input Ground
5.26–16 mm
2
(10–6 AWG)
2.26 Nm (20 lb in)
2 L2/Neutral In
3 L1 In
* Use 5.26 mm
2
(10 AWG) 75
_
C copper wire minimum.
7
Replace the terminal block cover.