Allowable Conductor Ampacity for Generator

The ampacity of ungrounded conductors from the generator terminals to the first distribution device containing overcurrent protection shall not be less than ____% of the nameplate rating of the generator.

a) 75
b) 115
c) 125
d) 140

See answer and applicable Code reference

The correct answer is: b) 115

Article 445 contains installation and other requirements for generators. As stated in the first sentence of Sec. 445.13, "The ampacity of the conductors from the generator terminals to the first distribution device(s) containing overcurrent protection shall not be less than 115% of the nameplate current rating of the generator."

 

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