• Code Quiz: Masts as Supports

    NEC rules on using a mast as a support for feeder and/or branch circuit conductors
    March 20, 2014

    Fill in the blank with the appropriate answer.

    When using a mast as a support for feeder and/or branch circuit conductors, only __________ shall be permitted to be attached to the feeder and/or branch circuit mast.

    A. insulated conductors

    B. service conductors

    C. feeder or branch circuit conductors specified within 225.17

    D. low-voltage conductors

    Find the Answer

    Answer: C

    Article 225 covers the requirements for outside branch circuits and feeders. As noted in Sec. 225.17, when using a mast as a support for feeder and/or branch circuit conductors, only feeder or branch circuit conductors specified within this section shall be permitted to be attached to the feeder and/or branch circuit mast.

    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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