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sinaial 08-13-2012 07:33 PM

Main Breaker Tripping Due to Heat
I live in Arizona and I was told by my landlord's electrician that the main breaker tripped due to the excessive heat. Is this true? I owned my last house for 17 years and the electrical box faced the south and I never had this occur. Please help.

mpoulton 08-13-2012 07:38 PM

Elevated ambient temperature will cause a breaker to trip at lower current than it would otherwise, but rarely enough that a breaker will trip under normal usage conditions. Most likely there is another problem contributing to the situation. There may be a loose connection on the breaker causing abnormal heating, or the panel may be overloaded.

stickboy1375 08-13-2012 07:46 PM

12 Attachment(s)
I have to agree, your main breaker needs to be re evaluated, im just assuming, but i'm betting that it is damaged goods...

brric 08-13-2012 09:42 PM

What is the size of the main and HOW much load is on it.

gregzoll 08-13-2012 09:47 PM

I have only seen one load center breaker in my life that tripped in a hot space, and that was at 135 degrees that day in a boiler room. Turned out to be a faulty breaker. Replaced, never had the problem again.

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