buzz from breaker box

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Old 07-01-11, 06:24 PM
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buzz from breaker box

I just recently noticed a quick buzz sound coming from my breaker box, seems to happen when my refridge kicks on. What's up ?
 
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Old 07-01-11, 06:31 PM
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Try resetting the fridge breaker. Turn off the main breaker, remove the fridge breaker, check the bus isn't burned or melted. Reinstall the breaker. Is it loose? Make sure the wire to it is tight.

Warning: even with the main breaker off parts of the panel are still live.
 
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Old 07-01-11, 06:55 PM
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Ray gives good advice. If you still get the buzz after inspection and resetting, replace that breaker.
 
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Old 07-01-11, 08:27 PM
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Thanks guys ! I will check as much as I feel comfortable with, I've got an electrician scheduled to come out, he's very busy right now, so I'll shut off the main, reset the fridge breaker, check the connections to the breaker, and see if it's in tight, but that's about as far as I'll go until he get's here, may take the breaker out and check it out. One of the first things I'm gonna have him do is put in a disconnect before the breaker box, I don't like messin with anything with electricity in close proximity !!! Had a main breaker flop out on me one time !
 
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Old 07-02-11, 05:59 PM
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What company panel do you have? My GE panel buzzes continually.
 
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Old 07-03-11, 01:08 PM
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My Cutler Hammer buzzes intermittently. Had an electrician check it out, and said there was nothing wrong. Even had the POCO check the meter. That was fine too.
 
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Old 07-03-11, 06:32 PM
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Thanks guys ! My panel is a Crouse-Hind, it's getting replaced in less than a year anyway. I took the panel off, tightened everything I could up, and it has happened less, considerably. May take breaker out and look at it, and under it, if it gets worse !
 
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Old 07-03-11, 06:51 PM
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Who makes crouse-hinds? I forget.
 
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Old 07-03-11, 09:06 PM
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Crouse-Hinds made the panelboard with their name. They no longer make them and haven't for some years. Cutler-Hammer type BR circuit breakers are approved for replacement.
 
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Old 07-04-11, 09:46 AM
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Originally Posted by gearhead59 View Post
Thanks guys ! My panel is a Crouse-Hind, it's getting replaced in less than a year anyway. I took the panel off, tightened everything I could up, and it has happened less, considerably. May take breaker out and look at it, and under it, if it gets worse !
I once found that 2 pole Crouse Hinds breakers sometime will emit a buzzing sound if closed under load. The one I recall was a 30A 2P breaker to a A-C unit. By turning off the A-C before closing the breaker and then turning the A-C back on, there was no buzz. Regardless of the manufacturer, residential circuit breakers are pretty cheaply built. If you are getting a buzz from a circuit breaker, it's a pretty cheap fix to just replace the breaker.
 
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