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25 January, 13:06

In older existing installations, where an equipment ground does not exist in a metal switch box that is located within reach of a conductive floor such as tile or cement, NEC 404.9 (B) requires the use of what kind of faceplate

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Answers (2)
  1. 25 January, 15:11
    0
    A metal faceplate with grounding means

    Explanation:

    metal faceplate with grounding means is required in older existing installations, where an equipment ground does not exist in a metal switch box that is located within reach of a conductive floor such as tile or cement.
  2. 25 January, 16:46
    0
    The NEC requires the use of a metallic faceplate for this situation.

    Explanation:

    NEC 404.9 (B) requires a metal faceplate having a means for grounding to be used in older installations where there is no ground for an equipment in a metal box switch located within a conductive floor. There is however an exception which states that as long as the wiring method does not have anything to do with an equipment-grounding conductor, it is required that a snap switch that is wired and located within reach of conductive floors must have a nonmetal faceplate or protected by an interrupter.
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