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36 AIS® 3000 10-30kVA, 208V, Site Preparation and Installation Manual – 990-1957
Communication Wiring to EPO and
Optional Equipment
EPO switch must be connected to a NEC Class 2 wiring.
Use only 28-16AWG copper wire for the connection of the Emergency Power Off (EPO)
and other optional equipment. Keep all other wiring and uninsulated live parts separate of
other NEC Class 2 circuits.
Do not connect any circuits to the EPO terminal block unless it can be confirmed that the
circuit is a NEC Class 2 circuit.