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Nema rating. 110.28

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    Nema rating. 110.28

    Indoor NEC 110.28 is not cear. Would Nema 4 rating protect enclosure if outside of enclosure acculmates snow, ice, water, or sleet on it? If not then which indoor nema rated enclosure would offer protection?
    Last edited by hhsting; 10-21-19, 09:55 PM.

    #2
    Tom
    TBLO

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      #3
      I am going to place disconnect in indoor space well below zero and has ice, condensation, water, and frost on enclosure all the time. Would Nema 4 protect against those situation?

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        #4
        Those are all conditions NEMA 3R are subjected to.
        I started out with nothing and still have most of it left.......

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          #5
          Originally posted by Awg-Dawg View Post
          Those are all conditions NEMA 3R are subjected to.
          Nema 3R is for outdoor use this is indoor. Would this still work?

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            #6
            Type 4 would be OK, but would not allow any internal condensation to drain out. 3R would. There is nothing wrong with using 3R indoors.
            __________________________________________________ ____________________________
            Many people are shocked when they discover I am not a good electrician...

            I'm in California, ergo I am still stuck on the 2014 NEC... We'll get around to the 2017 code in around 2021.

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              #7
              Originally posted by Jraef View Post
              Type 4 would be OK, but would not allow any internal condensation to drain out. 3R would. There is nothing wrong with using 3R indoors.
              Their is also Nema 4 for outdoor use would that not allow internal condensation to drain out?

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