Question about General Electric 100Amp 3-pole circuit breaker

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Hello: I have an old electrical box with the old style Zinsco beakers. For some reason, the left side of the main 200 amp breaker continues to go out. only one side. the breaker arks right where I screw it in from the source. The breaker does not feel hot but the lights inside my house continues to flicker. Can you help. Rob

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You should repair your zinsco panel... go to my website at zinscoelectrical.info , and get a new buss bar and breakers.... Good luck

Posted on Aug 12, 2011

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The screw is loose. It is always HOT (has electricity going to it) so be careful. If you feel confident, cover a screwdriver with a few layers of electrical tape and tighten it. Depending on how long it has been arcing, the breaker will need to be replaced. Since the incoming wire will have power to it, have a licensed electrician do the job. He will possibly remove the meter head to cut the power while he does the work.

Posted on Jan 03, 2009

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The troubling issue about this for me is the fact that the 200 amp service disconnect / main is tripping. This is an indication of an overloaded panel / circuit. I usually see individual circuits that trip in a panel - but often find the that main breaker has only 20% - 60% of its rating on it at any given time. If you're tripping a 200 amp service disconnect / main breaker repeatedly - something has got to give - and eventually the circuit breaker will fail. That may be where you are now with this breaker. You may be in need of a service upgrade (if it is the service disconnect) as clearly, you have out grown the 200 amp size one you currently have or need add a new sub-panel to ease the load that this 200 amp main is trying to supply now.

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