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Thread: class 1 division 2

  1. #1
    Join Date
    Mar 2017
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    fayetteville ar.
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    5

    class 1 division 2

    Can i use a aluminum body Lb75 3mhr with gasket conduit body in a class 1 division 2 paint area?

    thanks

  2. #2
    Join Date
    Dec 2006
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    Chapel Hill, NC
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    I am not certain but I think the lb must be listed for hazardous areas. I thought the lb's would have to be cast iron or malleable iron. I am not certain but hopefully someone will chime in soon. It is still early

  3. #3
    Join Date
    Dec 2011
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    Ocala, Florida, USA
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    See 501.10 (5) but with a few exceptions they would be OK.


    I know what I don't know, and I know where to go to find it!

  4. #4
    Join Date
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    Quote Originally Posted by Strathead View Post
    See 501.10 (5) but with a few exceptions they would be OK.
    I'm not sure what 501.10 (5) is; I think you meant 501.10(B)(4), but the basic statement is correct. Except for the references to where they may be required to be explosionproof, boxes and fittings may be for locations they are otherwise suitable.
    "Bob"
    Robert B. Alexander, P.E.
    Answers based on 2014 NEC unless otherwise noted.

  5. #5
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    Quote Originally Posted by rbalex View Post
    I'm not sure what 501.10 (5) is; I think you meant 501.10(B)(4), but the basic statement is correct. Except for the references to where they may be required to be explosionproof, boxes and fittings may be for locations they are otherwise suitable.
    Yeah I was way off there. And I had the code book open too!


    I know what I don't know, and I know where to go to find it!

  6. #6
    Join Date
    Sep 2016
    Location
    Longmont, CO
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    I think that on offshore oil rigs, they use aluminum on most everything, D1 & D2. LBs would not be used in D1 however. If it's a paint application, are your certain it's D2?

  7. #7
    Join Date
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    Quote Originally Posted by Jim1959 View Post
    I think that on offshore oil rigs, they use aluminum on most everything, D1 & D2. LBs would not be used in D1 however. If it's a paint application, are your certain it's D2?
    That's a good point; however, there are plenty of Division 2 locations associated with paint applications. See the various Figure(s) 516.3(D)xxxx.
    "Bob"
    Robert B. Alexander, P.E.
    Answers based on 2014 NEC unless otherwise noted.

  8. #8
    Join Date
    Sep 2016
    Location
    Longmont, CO
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    Quote Originally Posted by rbalex View Post
    That's a good point; however, there are plenty of Division 2 locations associated with paint applications. See the various Figure(s) 516.3(D)xxxx.
    Absolutely, just throwing the thought out there!

  9. #9
    Join Date
    Dec 2007
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    California
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    575
    Quote Originally Posted by Jim1959 View Post
    LBs would not be used in D1 however.
    Why can't one use something like an Appleton ERLB50 explosionproof LB conduit body in a D1 area?

  10. #10
    Join Date
    Mar 2017
    Location
    fayetteville ar.
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    5

    ?

    ok does it have to mal iron ? or does the LB75 work?

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