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Code Q&A: Identification of EGC

Oct. 23, 2019

Test your NEC knowledge.

Q. What is the Code requirement for the identification of the equipment grounding conductor within a flexible cord or cable?

See the answer below.

A. A conductor intended to be used as an equipment grounding conductor (EGC) must have a continuous green color or a continuous identifying marker distinguishing it from the other conductor(s). Conductors with green insulation, or green with one or more yellow stripes aren’t permitted to be used for an ungrounded or neutral conductor [Sec. 250.119].[See Sec. 400.23].

These materials are provided to us by Mike Holt Enterprises in Leesburg, Fla. To view Code training materials offered by this company, visit www.mikeholt.com/code.

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.