Mobile Home Feeder Capacity

Part III of Art. 550 covers the service and feeder requirements for mobile and manufactured homes.

Dec. 30, 2014

Mobile home and manufactured home feeder-circuit conductors shall have a capacity not less than _____.

a) 50A
b) 60A
c) 100A
d) 150A

See answer and applicable Code reference

The correct answer is: c) 100A

Part III of Art. 550 covers the service and feeder requirements for mobile and manufactured homes. As outlined in Sec. 550.33(B), "Mobile home and manufactured home lot feeder circuit conductors shall have a capacity not less than the loads supplied, shall be rated at not less than 100A, and shall be permitted to be sized in accordance with 310.15(B)(7)."

About the Author

Mike Holt

Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest electrical publishers in the United States. He earned a master's degree in the Business Administration Program (MBA) from the University of Miami. He earned his reputation as a National Electrical Code (NEC) expert by working his way up through the electrical trade. Formally a construction editor for two different trade publications, Mike started his career as an apprentice electrician and eventually became a master electrician, an electrical inspector, a contractor, and an educator. Mike has taught more than 1,000 classes on 30 different electrical-related subjects — ranging from alarm installations to exam preparation and voltage drop calculations. He continues to produce seminars, videos, books, and online training for the trade as well as contribute monthly Code content to EC&M magazine.