The receptacle grounding terminal of an isolated ground receptacle shall be connected to a(n) ______ equipment grounding conductor run with the circuit conductors.
a) insulated
b) covered
c) bare
d) solid
See answer and applicable Code reference
The correct answer is: a) insulated
Article 250 covers the bonding and grounding requirements outlined by the NEC. Part VII of this Article focuses on the various methods of equipment grounding. As noted in the second sentence of Sec. 250.146(D), "The receptacle grounding shall be connected to an insulated equipment grounding conductor run with the circuit conductors."
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.
