Electrical · E-V5VRQ

Level 1 Head House Power Distribution Riser Diagram

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An electrical single-line diagram details a 75kVA general power transformer rated at 480V to 208Y/120V, 3-phase, 4-wire with a 3.5% impedance and K-13 rating. The primary side is protected by a 3-pole 125A circuit breaker. The secondary side connects to a 250A, 3-pole general power panel board, designation EDP1060LP, rated for 400A at 208Y/120V, 3-phase, 4-wire with a 10kAIC interrupting capacity. A grounding conductor consisting of one #2 AWG wire in a 3/4-inch conduit connects to the transformer system.

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