Electrical · E-EGPH2

Electrical Distribution Riser Diagram with Transformer and Panels

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Panel MH is specified as 600A main lug only, 480/277V, 3-phase, 4-wire with 84 circuits and a 22 KAIC rating. It feeds a 150KVA transformer stepping down from 480V to 120/208V with a 200A 3-pole breaker and circuit designation 303. The transformer connects with a ground reference 2G and feeds Panel ML rated at 400A main lug only, 120/208V, 3-phase, 4-wire with 168 circuits and a 10KAIC rating through circuit designation 2403 and a 400A 3-pole breaker.

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