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siemens arc fault breaker
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  1. General Electrical Discussion
    I had a customer call the other day claiming that his Siemens Q115AF breaker was humming. (I guess it did not know the words) weak attempt at humor. Sure enough it was vibrating in the panel. There were 2 other AF breakers but they were not noisy. I replaced the culprit with a new AF breaker and...
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