Electrical · E-YZP4G

Main Emergency Electrical Room Single-Line Diagram

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A 112.5kVA 480V to 208Y/120V three-phase, four-wire transformer with a K-13 rating feeds the IT power distribution board SWB1203XPI in the main emergency electrical room on level 1. The distribution board is rated for 400 amperes with a 42KAIC interrupting capacity and features a 400AT/400AF three-pole main breaker along with 100AT/100AF branch breakers. A grounding conductor of one 1/0 AWG in a three-quarter-inch conduit connects to the transformer.

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