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Thread: Extension cord for treadmill, ok?

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  1. #1
    DIY Senior Member mrmichaeljmoore's Avatar
    Join Date
    Jan 2007

    Default Extension cord for treadmill, ok?

    I just got a new Reebok treadmill.
    The manual says that I should not use an extension cord.

    But the only location that I can put the treadmill is out of reach of the outlet.

    Can I use some sort of heavy duty extension cord? Anyone have any recommendations?
    I have an appliance extension cord (12 gauge, 9 ft long)....will that work?

    I realize I can have an electrician come in a put in another outlet....but I would rather not do that.

    Thanks for the help.

  2. #2
    DIY scratch-pad engineer leejosepho's Avatar
    Join Date
    Nov 2006
    200 miles south of Little Rock


    Using a sufficiently-heavy extension cord is not going to cause any damage to the treadmill, but it still could be a safety issue in more ways than one ... with pets, children, people stepping on and off or getting to and from ...

    I will use a cord when I need one, but I also try to never need one.

  3. #3
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    If the cord has large enough conductors, you should be okay. Your situation is one reason why current building codes require so many outlets in a house...there would be an outlet close enough where you didn't need and extension cord!

    The problem comes where some people would put in an extension cord designed for a lamp...maybe something like 18g wire, and it could overheat and cause a fire...the voltage drop on a high current device would also potentially overheat things like the motor windings.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  4. #4
    Extreme DIY Homeowner Scuba_Dave's Avatar
    Join Date
    Jan 2009
    South of Boston, MA


    I wouldn't cut the cord if it's new, that would probably void the warranty. I use heavy duty short extension cords when needed
    One on a double hot plate, another on a heater
    Never permanent
    Don't run it under a rug
    DIY Handyman (not 4 hire)
    I have enough to do to my own house

  5. #5


    I would add a new outlet. Extension cords just aren't safe for things like that at all. You might be running for your life.

  6. #6


    Short heavy duty extension cord - no problem. But what about your house wiring? If your treadmill is rated at 1500 watts or more you should go with a new dedicated circuit just for the treadmill.


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