Electrical distribution diagram detailing a seventy-five kilovolt-ampere transformer designated as 4T1A with a delta primary and wye secondary configuration. The transformer steps down voltage from 480/277 volts to 208/120 volts and includes a grounded wye connection. Panel 4P1A is a main lug only panel rated at 200 amperes, while panel 2P1A is a main lug only panel rated at 225 amperes.
PANEL 4P1A MLO 200A XX,XXX 75KVA XFMR 4T1A DELTA WYE 480/277V 208/120V XX,XXX XX,XXX PANEL 2P1A MLO 225A XX,XXX 125 225
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