Code Quiz: Ampacity of Generator Conductors

Dec. 4, 2014
NEC guidelines on determining the minimum ampacity of the conductors from the generator terminals to first distribution device containing overcurrent protection

Excluding any exception(s), what is the minimum ampacity of the conductors from the generator terminals to first distribution device containing overcurrent protection?

A. Not less than 100% of the nameplate current rating of the generator.

B. Not less than 115% of the nameplate current rating of the generator.

C. Not less than 125% of the nameplate current rating of the generator.

D. Not less than 135% of the nameplate current rating of the generator.

Find the Answer

Answer: B

As noted in the first sentence of Sec. 445.13, the minimum ampacity shall not be less than 115% of the nameplate current rating of the generator, excluding the exception.

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].

About the Author

Steven Owen

Voice your opinion!

To join the conversation, and become an exclusive member of EC&M, create an account today!

Sponsored Recommendations

Electrical Conduit Comparison Chart

CHAMPION FIBERGLASS electrical conduit is a lightweight, durable option that provides lasting savings when compared to other materials. Compare electrical conduit types including...

Considerations for Direct Burial Conduit

Installation type plays a key role in the type of conduit selected for electrical systems in industrial construction projects. Above ground, below ground, direct buried, encased...

How to Calculate Labor Costs

Most important to accurately estimating labor costs is knowing the approximate hours required for project completion. Learn how to calculate electrical labor cost.

8 Types of Electrical Conduit and Their Uses

Electrical conduit is a tube or raceway used to house and protect electrical wires within a building or structure. From data centers to underground subways to ports and bridges...

Latest from Quizzes

Photo 53038280 © Wenling01 | Dreamstime.com
Photo 312186162 © Cagkan Sayin | Dreamstime.com
Photo 311647339 © Andrei Dodonov | Dreamstime.com