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    class i division 1 group d

    Class 1 division 1 im familiar with this is regarding a acetone recycler placed out side a paint booth area the equipment is class 1 div 1 and group D I am not familiar with group D requirements I do know im trying to keep my disconnect out of my class area for obvious reasons. SO what is the group D ?

    #2
    500.6(A)(4)
    Bob

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      #3
      See Section 500.6(A)(4). You also should review NFPA 497 as referenced in the Informational Note to obtain the “T-Code” required in Sections 500.8(B) and (C)(4).
      "Bob"
      Robert B. Alexander, P.E.
      Answers based on 2017 NEC unless otherwise noted.

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        #4
        Group A = Acetylene
        Group B = Hydrogen (and similar)
        Group C = Ethylene (and similar)
        Group D = Propane (and similar)

        Group D often means the location has methane or propane.

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