What is the required size of THHN copper conductors for a feeder serving two 208Y/120V four wire three phase, 75°C branch circuit panelboards, one with a continuous load of 150A and the other with a noncontinuous load of 180A?

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Multiple Choice

What is the required size of THHN copper conductors for a feeder serving two 208Y/120V four wire three phase, 75°C branch circuit panelboards, one with a continuous load of 150A and the other with a noncontinuous load of 180A?

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