An electrical riser diagram details the power distribution for the Level 2 IT room, featuring a 45KVA transformer rated for 480V to 208Y/120V three-phase four-wire service. The transformer is fed from panelboard EDP2246ELS through a one-hundred-fifty-ampere three-pole circuit breaker. The secondary side connects through a seventy-ampere three-pole circuit breaker and includes a ground connection utilizing a three-quarter-inch conduit with one number six American Wire Gauge ground conductor.
3/4"C-1#6AWG GND TRANSFORMER 45KVA 480V-208Y/120V 3PH, 4H LEVEL 2 HEAD HOUSE LAWA IT ROOM POWER LEVEL 2 TNF2245ELS LAWA IT ROOM POWER "EDP2246ELS" 150A, 208Y/120V 3PH, 4W, 10KAIC 150A 3P C.B. C.B. 150A 3P 70A 3P 003A11
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