Thread: Breaker ratings
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Old 06-21-2016, 08:12 PM   #5
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Originally Posted by angus99 View Post
Thanks, I understand that it protects the wire (which I believe is #6). I just need to know whether I have a 40 or 50-amp breaker.
You have a 40 amp breaker. It's normal for a breaker to hold until about 20% over its rating (common for fuses too). Manufacturers even publish "trip charts" which document how long it will take a fuse or breaker to trip depending on level of overload. All common fuses and breakers I've ever researched are roughly in that 20% above range, after that, time to blow all depends on the extent of the

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