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Thread: Using a threaded Union in C1D2 location?

  1. #1
    Join Date
    Jun 2006

    Using a threaded Union in C1D2 location?

    Is it ok?

    Does it have to be explosionproof? Or is regular union ok?
    There will be seal-offs on either side of this C1D2 location.
    This is for an above ground storage tank for gasoline.

    Code gets a little confusing and I don't have a lot of experience dealing with classified location. If you have suggestions can you give a code reference so I can learn a bit about this stuff.


  2. #2
    Join Date
    Feb 2003
    Class I, Division 2 does not require explosion proof conduit fittings, except between an enclosure that is required to be explosion proof and the sealing fitting.
    Don, Illinois
    Ego is the anesthesia that deadens the pain of stupidity. Dr. Rick Rigsby
    (All code citations are 2017 unless otherwise noted)

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