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Thread: a/c disconnect

  1. #1
    Jerome W. Young's Avatar
    Jerome W. Young Guest

    Default a/c disconnect

    it looks like a dryer plug was used here. it is a ul listed plug, but is it ok in this application?

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  2. #2
    Join Date
    Mar 2007
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    Ormond Beach, Florida
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    Default Re: a/c disconnect

    Jerome,

    No, that is not allowed. Cord and plug is not allowed for that use.

    Frequently, after a few years of age, you will find those plugs to be burned up in the receptacle.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  3. #3
    Gerry Martin's Avatar
    Gerry Martin Guest

    Talking Re: a/c disconnect

    wow. never seen that before on an air handler. and yes, those things are likely to burn up, especially if there are resistance heating elements installed. just because it works for 5 minutes doesn't mean it won't burn your house down in 5 months.


  4. #4
    John Steinke's Avatar
    John Steinke Guest

    Default Re: a/c disconnect

    There are many instances where a cord and plug is allowed to serve as the disconnecting means; you have not provided the information to help us judge whether this might be one of those circumstances.

    Yet ... looking at the pic ... can the plug be removed from the receptacle at all? It sure looks like the cabinet prevents that.


  5. #5
    Gerry Martin's Avatar
    Gerry Martin Guest

    Default Re: a/c disconnect

    there are a host of issues here. first off, this installation is probably in violation of ul standards. second, the nameplate rating would be necessary to compute some disconnect requirements, but my interpretation of nec 422.16, and 440.13 only allow for the plug and cord connection of room air conditioners by their definition.


  6. #6
    Join Date
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    Default Re: a/c disconnect

    Quote Originally Posted by John Steinke View Post
    There are many instances where a cord and plug is allowed to serve as the disconnecting means;
    There are, yes, however, ...

    you have not provided the information to help us judge whether this might be one of those circumstances.
    The photo provides all the information needed to make that assessment.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  7. #7
    Jerome W. Young's Avatar
    Jerome W. Young Guest

    Default Re: a/c disconnect

    thanks guys


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