• Code Quiz: Metal Conduit Grounding Requirements for Coaxial Cables

    NEC rules on installing vertical supports for cable-routing assemblies
    April 9, 2015

    Fill in the blank with the appropriate answer.

    When installing _______ conduit or ________ conduit containing entrance coaxial cable, the conduit shall be connected by a bonding conductor or grounding electrode conductor to a grounding electrode in accordance with Sec. 820.100(B) of the 2014 NEC.

    A)  flexible metal / liquidtight flexible metal

    B)  liquidtight flexible nonmetallic / PVC

    C)  RTRC / HDPE

    D)  rigid metal / intermediate metal

    Find the Answer

    Answer: D

    As per Sec. 820.49, when installing rigid metal conduit or intermediate conduit containing entrance coaxial cable, the conduit shall be connected by a bonding conductor or grounding electrode conductor to a grounding electrode in accordance with 820.100(B).

    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

    Sign up for EC&M Newsletters
    Get the latest news and updates.

    Voice Your Opinion!

    To join the conversation, and become an exclusive member of EC&M, create an account today!