using coleman ground fault extention cord with portable generator

Discussion in 'Electrical Forum discussion & Blog' started by bregitta, Feb 24, 2011.

  1. bregitta

    bregitta New Member

    Feb 24, 2011
    Does the Coleman ground fault extention cord require my portable generator be grounded?
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    GFCI devices don't 'need' a ground to work (normally). They measure the current between the hot and neutral only, ground is not in the circuit. If the current returning doesn't match that going out, it trips. I suppose, they could design the cord to only work if it has a ground, but it is not required. From a maximum safety viewpoint, having a ground is good. Can't say on that particular device.
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