Question: An outlet box or enclosure mounted on a building or other surface shall be _____.
a) rigidly and securely fastened in place
b) supported by cables that protrude from the box
c) supported by cable entries from the top and permitted to rest against the supporting surface
d) permitted to be supported by the raceway(s) terminating at the box
See answer below.
Answer: a) rigidly and securely fastened in place
Per Sec. 314.23(A): "An enclosure mounted on a building or other surface shall be rigidly and securely fastened in place."
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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.