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Thread: Solenoids in Class I, Div 2 Locations (Sanity Check)

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  1. #1
    Join Date
    Aug 2007
    Location
    Houston, Texas
    Posts
    124

    Solenoids in Class I, Div 2 Locations (Sanity Check)

    From what I can tell, 501.105(B)(4) doesn't require a solenoid to be rated for hazardous locations because it does "...not incorporate sliding or make-or-break contacts..."

    I'm not sure if the class of coil is a limiting factor, or if there's something elsewhere that would have an affect on this. I'm familiar with the "T" rating relative to installation location but that's not what I'm concerned with.
    Regards,
    Dan Marr

    "Real world Knowledge isn't dropped from a parachute in the sky but rather acquired in tiny increments from a variety of sources including panic and curiosity."

  2. #2
    Join Date
    Apr 2004
    Location
    Mission Viejo, CA
    Posts
    4,781
    Your understanding 501.105(B)(4) is correct and beyond the T-code there's nothing else to consider.
    "Bob"
    Robert B. Alexander, P.E.
    Answers based on 2014 NEC unless otherwise noted.

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