Code Q&A

Q. Can I terminate two wires on a single-pole circuit breaker? A. Yes, if the terminal is identified for two conductors, either within the equipment instructions or on the terminal itself. It’s my understanding that only Square D circuit breakers (15A, ...

Mike Holt

May 9, 2005

Q. Can I terminate two wires on a single-pole circuit breaker?

A. Yes, if the terminal is identified for two conductors, either within the equipment instructions or on the terminal itself. It’s my understanding that only Square D circuit breakers (15A, 20A, and 30A) are rated for two conductors.

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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.