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Circuit breaker for garage has been fine for ten years.Lately it trips at no certain time.Not when opening garage door etc.Will not trip on a regular basis,but when it did I could reset it and it would be fine for a day or sometimes two.No changes in load on breaker for years. Today I reset breaker and I now have no power at all in garage. Replace breaker?

  • Is this a regular breaker, a GFCI, or an AFCI, and is the breaker retripping when you reset it? – ThreePhaseEel Jan 19 '17 at 3:13
  • I believe it is a regular breaker, I was able to reset the breaker and it would be fine for a few day, but yesterday it was tripped again and when I reset the breaker, there is no power in the garage.... – David Jan 19 '17 at 3:33
  • And the breaker stayed on – David Jan 19 '17 at 3:35
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There may be something on that breaker's circuit that is causing it to trip and prevent a fire/short.

What you need to do is find everything that is on that circuit. Afterwards, see if there's anything in any of those objects that could be tripping it. Connections becoming overloaded, being loose or wired improperly could also cause it to trip. Be sure to check that as well.

If you do find something, resolve the issue and reset your breaker.

However, breakers may trip by themselves from old age at times. If it wasn't caused by anything else I mentioned earlier, this may be the cause. You'll need to replace that breaker. If you're not sure how, I recommend you hire a licensed electrician.

  • "Normal breakers can't trip!" <<< WTF?! – ThreePhaseEel Jan 19 '17 at 4:12
  • My bad. Edited. – TBSquare29 Jan 19 '17 at 4:20

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