Electrical · E-FXQDJ

Transformer and Panel Board Power Distribution Riser

About this detail

A 30 kVA transformer steps down 480V, 3-phase, 4-wire power to 208Y/120V, 3-phase, 4-wire power for Level 2 Head House. The primary side connects to panel board "EDP2079EHS" rated at 100A, 480Y/277V with a 42 kAIC rating through a 50A 3-pole breaker and circuit designation 011R2. The secondary side connects to panel board "EDP2080ELS" rated at 100A, 208Y/120V with a 10 kAIC rating through a 100A 3-pole breaker and circuit designation 011R3. A grounding conductor sizing of 3/4 inch conduit with one number 8 American Wire Gauge ground is provided.

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