Electrical · E-4PGTB

Level 4 South Electrical Room IT Power Transformer Single Line Diagram

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This electrical single line diagram details a 45KVA power transformer stepping down from 480V to 208Y/120V, 3-phase, 4-wire power in the Level 4 South Electrical Room. The secondary feeds a 225A, 208Y/120V, 3-phase, 4-wire panelboard designated "EDP4053LI" through a 150A, 3-pole circuit breaker. The primary is protected by a 150A, 3-pole circuit breaker and connects upstream to feeder 004V. A ground connection utilizing a 3/4-inch conduit with one #6 AWG ground conductor is provided at the transformer.

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