The independent support wires for supporting electrical wiring methods in a fire-rated ceiling assembly shall be distinguishable from fire-rated suspended-ceiling framing support wires by _____.
a) color
b) tagging
c) other effective means
d) all of the above
See answer and applicable Code reference
The correct answer is: d) all of the above
Article 300 covers the general requirements for wiring methods and materials for all wiring installations. Securing and supporting requirements are outlined in Sec. 300.11. As noted in the third sentence of 300.11(A)(1), "Where independent support wires are used, they shall be distinguishable by color, tagging, or other effective means from those that are part of the fire-rated design."
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.
