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Existing three wire dryer

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    Existing three wire dryer

    I have a customer that wanted a dryer receptacle. When I looked at the job the dryer had a three wire cord and there was a 2 gang box on the wall that was labeled 220 dryer. When I opened the box there was only a 10/2 W/G romax. Am I legally allowed to install a three wire dryer receptacle? Or do I need to run a new wire?
    Thanks,
    Joe

    #2
    See the exception to 250.140

    Roger
    Moderator

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      #3
      New wire from the panel to the outlet box.

      Comment


        #4
        Joe, welcome to the forum!

        In your case, the issue is the bare conductor.
        Master Electrician
        Electrical Contractor
        Richmond, VA

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          #5
          There are probably hundreds of older homes out there wired just like that. I even did a couple like that myself because I was taught it was OK. Legal? No. Hazard? Probably not. Nevertheless you need to run a new circuit
          John, Chair City, NC
          Technology: Mans best efforts to make things as good as they used to be

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            #6
            The answer is no because the romex (type NM) has a bare ground as Larry mentioned. If it had been type SE, it would be OK. You will need to pull a new 3 conductor with ground cable.

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