a) for power and lighting circuits
b) in cable trays
c) in Class 1 control circuits
d) all of the above
See answer and applicable Code reference
The correct answer is: d) all of the above
Article 336 covers the use, installation, and construction specifications for power and control tray cable. Section 336.10 outlines the permitted uses for this type of cable through eight sub-sections. All three options in our question above are considered acceptable uses for this type of cable.
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.
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