1.2 Power and Control Wiring
The power and control wiring should be installed by a licensed electricians. All power and
control wiring must comply with the NEC and applicable local codes.
1.2.1 Input Power Connections
The input power feeder is connected to the input power lugs or blocks located behind the back
door inside the unit. For 3-phase PDUs connect to A, B, C, Neutral, and Ground, and for single
phase PDUs connect to A, B, Neutral and Ground (See Figure below.)
Input power connection
WARNING: VERIFY THAT ALL INCOMING LINE VOLTAGE (POWER) AND LOW
VOLTAGE (CONTROL) CIRCUITS ARE DE-ENERGIZED AND LOCKED OUT
BEFORE INSTALLING CABLES OR MAKING CONNECTIONS, WHETHER IN
THE JUNCTION BOX OR IN THE UNIT.
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