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One breaker started making a noise every time after i put it on, sometimes its immediately after switching it to on and sometimes it starts after a few seconds, and after a while the noise gets lower but consists til switched off. Is the breaker broken? Do I have to change it?

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  • What type of noise?
    – Tester101
    Commented May 3, 2016 at 15:48
  • Cant describe slimier to a fly near your ears:)
    – aofkj
    Commented May 3, 2016 at 15:50
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    What are the loads on that circuit?
    – scorpdaddy
    Commented May 3, 2016 at 15:52
  • Its a 15 Amp. powering about 10 flourecent fixtures.
    – aofkj
    Commented May 3, 2016 at 15:54
  • Such noises are heard sometimes from fixtures.
    – aofkj
    Commented May 3, 2016 at 15:56

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Last thing you want is a dodgy circuit breaker. I suggest that you replace it so when and if you ever have need for that breaker to protect a circuit you can depend upon it to work properly.

I got the impression from reading your posting that you are using this circuit breaker as a regular switching function. Be aware that some breakers are not intended to be used as regular switches. Others may be designed to work correctly. Please see the accepted answer on this posting for further information.

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  • I had to close it once and when I put it on I noticed the noise and from there it went on and off a few times, but its generally not touched.
    – aofkj
    Commented May 3, 2016 at 16:01
  • That is good to hear. If you are hearing a buzzing or sizzling noise coming out of the circuit breaker, that is not a good thing, then I suggest replacing it. Breakers are generally not hugely expensive if you buy them from the right places.
    – Michael Karas
    Commented May 3, 2016 at 16:10

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