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Thread: 501.10(B)(4), 501.15(B)(1) - Class I Division 2 conduit seals entering enclosures

  1. #1
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    501.10(B)(4), 501.15(B)(1) - Class I Division 2 conduit seals entering enclosures

    Just want to be completely sure on this one:
    A switch (or other arcing device), installed in Class I Division 2 location, with factory sealed or hermetically sealed contact block, does NOT require an explosion proof enclosure and therefore, does not require a conduit seal....

  2. #2
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    Correct.
    The more they overthink the plumbing, the easier it is to stop up the drain

  3. #3
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    Quote Originally Posted by dkidd View Post
    Correct.
    Thanks

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    The more they overthink the plumbing, the easier it is to stop up the drain

  5. #5
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    Quote Originally Posted by dkidd View Post
    .
    Thanks -
    EDS series is also good for Division 1. I was looking at Allen-Bradley, Bulletin 800G Pushbuttons, with non-metallic housing for Division 2 applications.

  6. #6
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    For Class I, Division 2 applications, I use the 800H operators with the sealed contact blocks (800T-XAP) in the Rosite enclosures.
    Don, Illinois
    Ego is the anesthesia that deadens the pain of stupidity. Dr. Rick Rigsby
    (All code citations are 2017 unless otherwise noted)

  7. #7
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    Quote Originally Posted by don_resqcapt19 View Post
    For Class I, Division 2 applications, I use the 800H operators with the sealed contact blocks (800T-XAP) in the Rosite enclosures.
    thanks Don, I will check into

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