Where an equipment grounding conductor is installed underground within an agricultural building, it shall be a(n) ______ conductor.
a) insulated or covered
b) copper
c) bare
d) any of the above
See answer and applicable Code reference
The correct answer is: d) any of the above
Article 547 requirements apply to agricultural buildings and parts of buildings or adjacent areas of similar or like nature as specified in the scope. As per 547.5(F), "Where an equipment grounding conductor is installed underground within a location falling under the scope of Art. 547, it shall be insulated or covered."
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.
