How to source/fix bathroom short?

Discussion in 'Electrical and Wiring' started by joshx, Nov 17, 2019.

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  1. Nov 17, 2019 #1

    joshx

    joshx

    joshx

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    The lights and outlet in the bathroom have mysteriously stopped working, see attached photo? How can this noob source and fix?

    [​IMG]
     
  2. Nov 17, 2019 #2

    pjones

    pjones

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    Get yourself a good meter to confirm there is no voltage (absolutely ZERO and nothing more!) on your circuit before you touch anything. Wear safety glasses (pushed tight up close to your eyes) just Incase it sparks. Double verify no voltage before touching it. That means test it, confirm your meter works, then test it again, then confirm once more with a non contact voltage tester or some other secondary device. I’ve seen too many disconnects and breakers fail to trust them anymore. Take off any metal jewelry and anything conductive that you have on you.

    After that, with the power still off, you can pull the switch and test it for continuity.

    If you don’t have proper training and experience then you should not work on anything live.

    If the switch is good then check for bad connections.

    Make sure you reconnect the wires properly and securely. An improperly connected wire can cause excessive heat and start a fire.

    If the wiring is aluminum then leave the job to a professional. There are way too many specific procedures involved when dealing with that to explain it in this post, for it to be done safely.

    If in doubt call a professional. Electricity is silent and can’t be seen... until it bites you.
     
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  3. Nov 18, 2019 #3

    JoeD

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    I would start in the switch box where the fan works and lights don't.
     
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  4. Nov 19, 2019 #4

    afjes_2016

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    I would also check other GFCIs around the house. Is there another bathroom? Make sure any other GFCIs are reset if there are any. There may be one protecting the circuit up-line and someone also installed one in the bathroom. This is not unusual but not necessary.
     
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  5. Nov 19, 2019 #5

    billshack

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  6. Nov 19, 2019 #6

    pjones

    pjones

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    Under certain circumstances these can fail to indicate voltage. They are a great tool, but always double check their results.
     
  7. Nov 20, 2019 #7

    Jeff Handy

    Jeff Handy

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    The vent fan and the dead outlet might be on different breakers.
    Find the breaker for the bathroom, flip it to off then back to on.
    Sometimes the breaker that tripped is mis-labeled, or shared with another room like garage or kitchen, etc.

    Also what afjes said, sometimes there is a gfci outlet elsewhere in the house that is wired wrong, and it can trip and kill another gfci outlet downstream of it.

    And gfci outlets just tend to die, and need replacement.

    Make sure you are pushing the outlet reset really firmly.
    Newer ones are much stiffer than years ago.
     
    Last edited: Nov 20, 2019

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