Electrical · E-G27DF

Level 4 South Electrical Room Power Distribution Riser

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This electrical single line diagram details the power distribution for the Level 4 South Electrical Room. A 75kVA general power transformer rated at 480V to 208Y/120V, 3-phase, 4-wire with a K-13 rating steps down power through a 125A 3-pole circuit breaker. The secondary feeds a 400A, 208Y/120V 3-phase, 4-wire general power panel board designated "EDP4030LP" with a 10KAIC rating. Equipment grounding is provided via a 1-inch conduit containing a 1#2 AWG ground conductor connected to the transformer housing.

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