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Thread: Lighting

  1. #1

    Default Lighting

    I got a question here about a ceiling light fixture in my son's room. Whenever, I put a light bulb in it, it blows it out immediately. It is a 3 light bulb fixture. I am using the right light bulb and the right walts, is there a possible short in the fixture or maybe, a short in the wiring? Is their a way for me to tell? My husband put this fixture in about 12 years ago. Thanks. Cookie

  2. #2
    General Contractor, Farmer HandyAndy's Avatar
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    my guess is it is over voltage some how.

  3. #3
    Electrical Contractor/Instructor jwelectric's Avatar
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    my guess is it is over voltage as someone else has said

  4. #4
    Like an engineer alternety's Avatar
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    If you can loosen the fixture and measure the voltage on the wires that would help. You can do it directly through the light socket but a little slip makes big sparks. You could also go to the switch that controls it but that may not be conclusive if there is a wiring error where you don't see it.

    See if anything else in on that circuit. If you trip that breaker you can then check other things to see if they are off. If there is other stuff and it is OK you have narrowed down where you will have to look.

    Maybe somewhere in this circuit a hot from the other side of the panel got used instead of neutral. That would give you 240 V.

  5. #5

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    Me do that? lol. Nope, lol. But, I did buy a new fixture just in case it is that. It probably is the fixture don't you think? ( I don't look good like this)


    Nothing else was added on the circuit, nothing different. But, above my son's room is the attic.

  6. #6
    I&C Engineer (mostly WWTP) Lakee911's Avatar
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    If you can find a 240V rated bulb, try that to see if it blows, Cookie.

  7. #7
    Retired Defense Industry Engineer jadnashua's Avatar
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    A loose connection in the lamp or lamp holder that allowed the connection to make and break with vibrations can foil the bulb, but not immediatly when installed.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  8. #8
    In the Trades Bob NH's Avatar
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    It is possible that you have a multiwire branch circuit that has a loose or missing neutral. That can be bad for anything on the circuit, such as an expensive appliance. You need to call an electrician friend to check it out while enjoying a beer, or maybe even dinner.

  9. #9

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    I called the Protection Services I have thru my gas company. They are really great. He should be here tomorrow. I will let you all know what he said. Thanks for your help.

  10. #10

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    The electrician came today and showed me the wiring going to the fixture needed to be fixed and the fixture needed to be replaced because it charred the wire in the socket. So, everything is now working fine. What a nice man.

  11. #11
    DIY Member RRW's Avatar
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    could you be a little more specific as the the defects??

  12. #12

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    The wiring inside one of the sockets was charred. Not much more to say. He said some heat got to it. It is fine now, thankfully all taken care of. Whenever, I would put a bulb in it, right watts and size, it would immediately blow. The wiring going to the fixture he also fixed. He did say what kind of wiring it was, said he saw older and worse, he said it is fine. It is working fine. Thank you.

  13. #13
    Retired Defense Industry Engineer jadnashua's Avatar
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    A corroded connection can act sort of like a loose one, sort of like turning the switch on and off quickly (light bulbs almost always fail up turn on - the shock fractures the filament).
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  14. #14

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    I know he fixed whatever was wrong. He was here before for the bathroom ceiling heating lamps and lights, the kitchen ceiling light, which then, was shooting sparks across the ceiling like the 4th of July a couple of years ago, and several outlets. I would say, I am his best customer.

  15. #15

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    It sounds like you have a very nice contractor and have built a good relationship with them.

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