Lighting systems operating at 30V or less can be concealed or extended through a building wall, floor or ceiling without regard to the wiring method used.
a) True
b) False
See answer and applicable Code reference
The correct answer is: b) False
Article 411 covers lighting systems and their associated components operating at 30V or less. As noted in Sec. 411.4(A)(1), conductors concealed or extended through walls, ceilings or floors shall be installed using an approved Chapter 3 wiring method.
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.