main breaker is tripping since outage


Old 07-19-05, 08:56 PM
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Join Date: Feb 2002
Location: New York, Long Island
Posts: 101
main breaker is tripping since outage

we had a power outage about a month ago in my neiborhood - after about 3 hours everyones power returned except ours. I called the power company who advised me to reset my main (200 amp which is located outside at my service entry away from my panel) this got my power going again but since then about 2 or 3 times a week my main will trip and i will have to reset it again. Any suggestions?
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Old 07-20-05, 07:13 AM
Join Date: Sep 2000
Location: United States
Posts: 18,497
I suppose that it's possible that the main breaker, or something else, got damaged by whatever caused the power outage. Replacing a main is not a DIY job, so I'd call an electrician.
Old 07-20-05, 06:05 PM
WFO is offline
Join Date: Feb 2004
Location: usa
Posts: 247
It is very common in our area (central Texas) for fire ants to get into electrical equipment. The little beggars seem to love getting fried! Quite often, we will operate a breaker that has ants in it. The ants fall between the contacts when it is reclosed and make a poor, (and sometimes a completely open) connection.
If the connection is poor, it will generate more heat. Since the breaker is thermal, this raises it closer to it's trip point.
A long shot, but possible.

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