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  1. #1
    Join Date
    18th January 2009
    Location
    Boise, ID
    Posts
    4,959

    3 Prong to 4 Prong....

    I just got an old dryer from the Mother-in-law. It has a 4 wire plug. Outlet is 3 wire. We got the new 3 wire plug....now...how do we wire it in?

    TRA #2967 SAM #0512

    "Isn't gravity a funny thing?" - Todd Rundgren

    https://www.youtube.com/watch?v=ODw1LNL0HTU

  2. #2
    Join Date
    13th August 2014
    Posts
    805
    4 weird is 3 phase, which is weird for residential... but not compatible with single phase.

    -Brian Schwartz
    LiquidFyre Rocketry
    https://www.LiquidFyre-Rocketry.com
    TRA #15327 L2



    If it's worth doing, it's worth over doing!

  3. #3
    Join Date
    19th January 2009
    Posts
    935
    4 wires is normal. 2 hot, neutral, ground. 3 wire outlets share neutral and ground. You can remove a cover where the cord goes in and swap the cord out. There's probably a diagram under the cover.

  4. #4
    Join Date
    26th October 2016
    Posts
    102
    The 4 prong, in this case, is not 3 phase. It's a NEMA 14-50P.

    There are you tube videos that show how to do this...
    NAR level 2: Mad Cow Super DX3

  5. #5
    Join Date
    24th August 2013
    Posts
    536

  6. #6
    Join Date
    18th January 2009
    Location
    Boise, ID
    Posts
    4,959
    Thanks for the help, we got it No sparks and despite my dropping the dryer twice it works fine
    TRA #2967 SAM #0512

    "Isn't gravity a funny thing?" - Todd Rundgren

    https://www.youtube.com/watch?v=ODw1LNL0HTU

  7. #7
    Join Date
    13th August 2014
    Posts
    805
    I apologize for the misinformation, this is new to me. Learned something new

    -Brian Schwartz
    LiquidFyre Rocketry
    https://www.LiquidFyre-Rocketry.com
    TRA #15327 L2



    If it's worth doing, it's worth over doing!

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