Range Hood & GFI Tripping

Discussion in 'Electrical Forum discussion & Blog' started by tsingerjr, Mar 22, 2021.

  1. tsingerjr

    tsingerjr New Member

    Joined:
    Mar 2, 2009
    Location:
    New Jersey
    Hey There! We recently have been experiencing an issue when we turn on the lights on our range hood , it causes the GFI connected to it to flash and trip. I replaced the GFI and it still is occurring. The range hood is about 7 years old. 12awg with a 20 amp breaker. Its the only 2 things on that circuit. Not sure if their is a way to test the wiring, gut its all behind a tile back splash, which is a whole other dilemma.

    thanks,
    Tommy
     
  2. wwhitney

    wwhitney Well-Known Member

    Joined:
    Mar 17, 2019
    Location:
    Berkeley, CA
    If we trust that the GFCI is working properly, your symptoms would suggest that some internal wiring to the light sockets has frayed against the frame of the range hood. Which is certainly plausible.

    Where is this GFCI and is it a receptacle or a dead front? Is the range hood cord and plug connected to a GFCI receptacle? Does it have an integrated microwave, or is it just a range hood?

    Cheers, Wayne
     
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  4. Reach4

    Reach4 Well-Known Member

    Joined:
    Sep 25, 2013
    Location:
    IL
    GFI flashes? Amplify on that. I think you imply you can see the GFI, and that suggests this GFI unit is built into an outlet.

    There may be a short in the range hood. That seems more likely than the wiring.

    So what kind of info are you seeking? How to troubleshoot this yourself with an ohmmeter, or what?
     
  5. tsingerjr

    tsingerjr New Member

    Joined:
    Mar 2, 2009
    Location:
    New Jersey
     
  6. tsingerjr

    tsingerjr New Member

    Joined:
    Mar 2, 2009
    Location:
    New Jersey
    Hey Wayne, that appears to be the exact cause. Both neutral wires going to the light sockets appear do be contacting the frame. Thanks!
     

    Attached Files:

  7. wwhitney

    wwhitney Well-Known Member

    Joined:
    Mar 17, 2019
    Location:
    Berkeley, CA
    The discoloration also suggests the wiring is getting hotter than it should. If you put in a bigger halogen bulb than the rating, it would cause that. From the pictures it appears that the sockets came with wiring pigtails that are connected (probably soldered) to the internal wiring at those points wrapped in black electrical tape.

    So my suggestion for you or a person competent to do electrical repairs would be getting new sockets with pigtails and cutting off the socket pigtails on the supply side of the current connections. You'd need to figure out how to make the new connections; I'd be happy with using Wago 221 connectors. And then either use smaller halogen bulbs, or LED bulbs. [And the latter provides the possibility of changing/eliminating the socket while you are at it.]

    Cheers, Wayne
     
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