• Code Quiz: Approved Wiring Methods in Marinas and Boatyards

    NEC guidelines on wiring methods for boatyards and marinas
    July 23, 2015

    Fill in the blank with the appropriate answer.

    With respect to wiring methods and materials for marinas and boatyards, when using portable power cables, the power cables shall be rated not less than ___ , and listed for both wet location and sunlight resistance as part of the overall requirements?

    A) 75°C / 600V

    B) 75°C / 300V

    C) 60°C / 600V

    D) 90°C / 600V

    Find the Answer

    Answer: A

    As noted in Sec. 555.13(A)(2), “When using portable power cables in marinas and boatyards, the power cables shall be rated not less than 75°C / 600V, and listed for both wet location and sunlight resistance; and having an outer jacket rated to be resistant to temperature extremes, oil, gasoline, ozone, abrasion, acids, and chemicals.”

    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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