Question: An apartment complex is supplied by a 1 2 0 / 2 4 0 - volt, single - phase, 3 - wire service. A 3

An apartment complex is supplied by a 120/240-volt, single-phase, 3-wire service. A 3-wire, 120/240-volt, 125ampere feeder supplies a 125-ampere rated panelboard installed in an individual dwelling unit of the apartment building to supply the individual unit. The neutral load is calculated to be 85 amperes. What is the minimum size THWN-2 grounded feeder conductor required to supply the individual dwelling unit?
An apartment complex is supplied by a 1 2 0 / 2 4

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