• Code Quiz: Vertical Support Requirements for Cable Routing Assemblies

    NEC rules on installing communication wires and cables in cable routing assemblies in vertical runs
    March 26, 2015

    Fill in the blank with the appropriate answer.

    When installing communication wires and cables in cable routing assemblies, vertical runs of the cable routing assemblies shall be supported at intervals not to exceed _______, unless listed for other support intervals, and shall not have more than one joint between supports

    A)  2 ft

    B)  3 ft

    C)  4 ft

    D)  10 ft

    Find the Answer

    Answer: C

    The installation methods of communications circuits installed within buildings are outlined in Part V of Art. 800. As noted in Sec. 800.110(C)(2), when installing communication wires and cables in cable routing assemblies in vertical runs, supports shall be installed at intervals not to exceed 4 feet, unless listed for other support intervals, and shall not have more than one joint between supports.

    Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].

    About the Author

    Steven Owen

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