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Thread: Main breaker
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08-31-2011, 07:01 AM #1
Main breaker
In what year did they start using 150-amp main breakers?
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08-31-2011, 01:49 PM #2
Re: Main breaker
What year did they start using breakers in your area?
Trying to figure out what you are really asking and why.
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08-31-2011, 01:58 PM #3
Re: Main breaker
The house is 1966, trying to figure out if there has been an electrical upgrade. Panel is GE
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08-31-2011, 02:02 PM #4
Re: Main breaker
Mostly fuses into the 1950s and some into the 1960s, but some breakers in the 1950s too. So going with a breaker in the 1960s would be logical.
Size-wise, the 150 amp would not be uncommon, no different than 150 amp fuses.
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08-31-2011, 02:10 PM #5
Re: Main breaker
Thank you
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