Courtesy of www.MikeHolt.com. Based on the 2023 NEC.
Question: EMT shall not be used where _____.
a) subject to severe physical damage or used for the support of luminaires or other equipment except conduit bodies no larger than the largest trade size of the tubing
b) embedded in concrete
c) protected from corrosion only by enamel
d) installed in wet locations
See answer below.
Answer: a) subject to severe physical damage or used for the support of luminaires or other equipment except conduit bodies no larger than the largest trade size of the tubing
Section 358.12(1) and (2) state that EMT shall not be used where subject to severe physical damage or used for the support of luminaires or other equipment except conduit bodies no larger than the largest trade size of the tubing.
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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.