When separate equipment grounding conductors are provided in panelboards, a ______ shall be secured inside the cabinet.
a) grounded conductor
b) terminal lug
c) terminal bar
d) none of the above
See answer and applicable Code reference
The correct answer is: c) terminal bar
Article 408 covers switchboards, switchgear and panelboards. Part III of this Article focuses on panelboards. As noted in the second sentence of Sec. 408.40, "Where the panelboard is used with nonmetallic raceway or cable or where seprate equipment grounding conductors are provided, a terminal bar for the equipment grounding conductors shall be secured inside the cabinet."
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.