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Electrical Question about Circuit Breakers


By Dave Rongey - Summary:

Question: I live in a trailer. The electrical box on the pole had a bad fuse. I replaced both of them. Meanwhile the well is not working. I have no juice to the living room also. The kitchen has power, the bathroom has power, the master bedroom has power. The second bedroom and the living room do not, neither does the well.

Electrical Question about Circuit Breakers

Received from a Beginner in Lewiston, MI

Question: I live in a trailer. The electrical box on the pole had a bad fuse. I replaced both of them. Meanwhile the well is not working. I have no juice to the living room also. The kitchen has power, the bathroom has power, the master bedroom has power. The second bedroom and the living room do not, neither does the well. Checked the breaker box in the trailer. Still no power to the living room, 2nd bedroom, and the well. How can I tell if a breaker in the box is bad? There was also a breaker box in the shed. I replaced both fuses in that box also. There is no power there either.

Thanks for your electrical question.
See more about Home Wiring for Missouri

Dave’s Reply: The circuit breaker in the panel should be tested to see if it is producing 240 volts across the two legs of the circuit. If this is not the case then one leg of the electrical service has been lost. This could be due to a bad circuit breaker or another problem inside the electrical service panel. This type of problem requires a qualified electrician who can test and inspect the problem and then make the appropriate corrections.

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2 Responses to “Electrical Question about Circuit Breakers”
  1. Dave Rongey says:

    Hi Bill,
    Yes – one side of a two pole circuit breaker can go bad. This could be due to a bad connection of the circuit breaker to the panel buss, and it may also be due to an unbalanced load with the circuit where the bad side of the breaker has sustained high amounts of heat which can cause wear on the breaker contact. The circuit should be tested for possible problems, and the connected load should be checked as well.
    Dave

  2. BILLNAPIER says:

    Can one side of a circuit breaker go bad?