Article 727 covers the use, installation and construction specifications of instrument tray cable for application to instrumentation and control circuits operating at 150V or less and 5A or less.
The conductors contained within Type ITC cable shall be rated 300V, and not smaller than _____ AWG nor larger than _____ AWG.
a) 22, 12
b) 18, 10
c) 16, 8
d) 14, 1/0
See answer and applicable Code reference
The correct answer is: a) 22, 12
Article 727 covers the use, installation and construction specifications of instrument tray cable for application to instrumentation and control circuits operating at 150V or less and 5A or less. In addition, as noted in Sec. 727.6, "The insulated conductors of Type ITC cable shall be in sizes 22 AWG through 12 AWG."
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.
