Green Wire Hanging Out Back of Dryer (4 Prong)

Discussion in 'Electrical Forum discussion & Blog' started by Thewaltwhitmans, Mar 27, 2012.

  1. Thewaltwhitmans

    Thewaltwhitmans New Member

    Messages:
    7
    Location:
    Nc
    Setting up a washer and dryer. Dryer is 4 prongs. Green wire coming out of back about 3 ft long. It says external ground connector beside it. Do I need to ground this (say to the washer) or is it ok to hang out the back?
  2. DonL

    DonL Jack of all trades Master of one

    Messages:
    4,126
    Location:
    Houston, TX
    Yes, I would connect it, as the manual says, If your washer is within reach.
  3. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,997
    Location:
    New England
    The instructions on the dryer should tell you exactly what is needed. Do you have a 4-prong outlet for the cable? If so, then that ground might be needed internally. If you are trying to install a new washer (or stove) and only have a 3-wire plug, they'll allow you to do it with a 3-wire cord. When sold, the dryer or stove has the neutral and ground separated in the thing, each going to a prong of the 4-wire plug. If you only have a 3-wire plug, the ground and neutral inside need to be connected together. So, if you have a 4-wire plug, it is already grounded properly.

    Attaching the ground lead to something that is grounded, maybe the screw of the receptacle for the washer, may be acceptable. It is an extra safety, and (I think) you should be safe without it, but it doesn't hurt.
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