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230.67 Dwelling Services with SPDs

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    230.67 Dwelling Services with SPDs

    I had trouble searching the 70-2020 document to try and figure out who proposed the SPD being required for all Dwelling Services. I think it ended up in 230.67

    I was just curious if it was a Manufacturer and which one.
    Ron

    #2
    Originally posted by ron View Post
    I had trouble searching the 70-2020 document to try and figure out who proposed the SPD being required for all Dwelling Services. I think it ended up in 230.67

    I was just curious if it was a Manufacturer and which one.
    I was browsing through proposals, looking for something else, and I did come across one by Schneider proposing an SPD requirement. Not sure if that is the one you are thinking of or if that one made it in.
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

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      #3
      There were two PIs that led to the CMP-10 submission. On by a person from Schneider and the second from the safety director of a large IBEW local. There were 4 PCs, two of which asked for the section not to be included in the code, one that provided some clarifying language, and one that asked for the rule to apply to all services, not just dwelling units.
      Don, Illinois
      (All code citations are 2017 unless otherwise noted)

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        #4
        The IBEW guy's statement includes this claim:
        "Additionally, the expanding use of distributed energy resources (DER) within electrical systems often results in more opportunity or greater exposure for the introduction of surges into the system."

        Is there any truth to this?

        It would be nice if the substantiations included actual references to studies relevant to the subject. The Schneider guy's statement at least makes the claim that such studies exist.

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          #5
          I'm not seeing a .67.....~RJ~

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            #6
            Originally posted by romex jockey View Post
            I'm not seeing a .67.....~RJ~
            It's a new section in the 2020 NEC. You can see it if you log into the NPFA website and look at the First or Second Draft Report for the 2020.

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              #7
              Originally posted by jaggedben View Post
              It's a new section in the 2020 NEC. You can see it if you log into the NPFA website and look at the First or Second Draft Report for the 2020.
              thx
              ~RJ~

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