Electrical · E-BQBSG

Site Lighting Contactors Schematic Diagram

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Electrically held 4-pole, 20-amp contactors with 277V coils, hand-off-auto switches, and on/off pilot lights are installed in the Level 1 main electrical room with engraved nameplates. Control wiring includes 277V connections from exterior photocells to branch panel circuits per plans, utilizing number 10 conductors for exterior main canopy connections. Separate contactor units manage standard exterior site lighting and emergency or canopy lighting zones.

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