Connections between a power pack, a twenty-four volt direct current wall occupancy sensor or momentary switch, and an emergency lighting control unit are established as follows. Normal lighting loads at one hundred twenty volts and two hundred seventy-seven volts connect through normal power out and normal neutral lines to the power pack. An emergency lighting control unit handles emergency lighting loads from circuit 'c' with dedicated emergency line and emergency neutral connections. Required one hundred twenty volt and twenty-seven volt power packs must be provided as required. Both the power pack and emergency lighting control unit must be mounted in the nearest accessible location.
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