• PLFA Conductor Support Requirements

    Power-limited fire alarm circuit requirements are outlined in Part III of Article 760.
    May 14, 2015

    Power-limited fire alarm cables can be supported by strapping, taping, or attaching to the exterior of a conduit or raceway.

    a) True
    b) False

    See answer and applicable Code reference

    The correct answer is: b) False

    Article 760 covers the installation of wiring and equipment of fire alarm systems, including all circuits controlled and powered by the system. Power-limited fire alarm circuit requirements are outlined in Part III of this Article. As noted in Sec. 760.143, "Power-limited fire alarm circuit conductors shall not be strapped, taped, or attached by any means to the exterior of any conduit or other raceway as a means of support."

    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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