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Thread: Cdt Term

  1. #21
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    Quote Originally Posted by electrofelon View Post
    That is what I would do. The one thing to be careful of is that many/most RMC compression fittings are not raintight. IIRC there are only a couple product lines that are.
    Why would it matter? Standard threaded conduit couplings are no where near being raintight. They leak far more than the original EMT couplings that we can no longer use in wet locations.
    Don, Illinois
    (All code citations are 2017 unless otherwise noted)

  2. #22
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    Is RMC even required to be rain-tight when in wet locations?
    Rob

    Moderator

    All responses based on the 2014 NEC unless otherwise noted

  3. #23
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    Quote Originally Posted by infinity View Post
    Is RMC even required to be rain-tight when in wet locations?
    There is nothing in the NEC that says that as far as I know. If they required that, we would probably have to use tapered thread couplings.

    In the 70s the conduit couplings in Canada were tapered threads. I don't think that we ever had tapered thread couplings here in the US.
    he
    Don, Illinois
    (All code citations are 2017 unless otherwise noted)

  4. #24
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    Quote Originally Posted by don_resqcapt19 View Post
    Why would it matter? Standard threaded conduit couplings are no where near being raintight. They leak far more than the original EMT couplings that we can no longer use in wet locations.
    Quote Originally Posted by infinity View Post
    Is RMC even required to be rain-tight when in wet locations?
    Yes. 344.42(A) which sends you to 314.15.
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

  5. #25
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    Quote Originally Posted by electrofelon View Post
    Yes. 344.42(A) which sends you to 314.15.
    That only applies to threadless fittings.
    Rob

    Moderator

    All responses based on the 2014 NEC unless otherwise noted

  6. #26
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    Quote Originally Posted by infinity View Post
    That only applies to threadless fittings.
    Yes, I thought thats what we were talking about.
    Ethan Brush - East West Electric. NY, WA. MA

    "You can't generalize"

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