Electrical · E-4PKCP

Electrical Power Distribution Single Line Diagram

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An electrical distribution single line diagram shows a 400A, 480Y/277V, 3-phase, 4-wire, 42KAIC distribution board designated EDP1201HT located in the main electrical room. It feeds a 112.5KVA 480V to 208Y/120V 3-phase, 4-wire general power transformer designated TNF1196LP with a 1-inch conduit and 1#1/0 AWG ground. Circuit breakers include a 400A 3-pole breaker with 400AT/400AF, a 175AT/225AF 3-pole breaker, and a 70AT/100AF 3-pole breaker. Feeders and circuits are tracked with tags including 004W, 004N, 004O, and 004P.

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