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Why Air Conditioners Trip Circuit Breakers

Air Conditioner Units and Tripping Circuit Breakers: The circuit that an air conditioner is connected to may be shared with other outlets so the circuit is becoming overloaded, here is how to solve this problem.

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Air Conditioner Electric Circuit
Electrical Question: I live in an NYC apartment with two roommates and this apartment, though spacious, is really inconvenient. We have a window Air Conditioner (AC) set up in the living room but it only cools down that room and the kitchen, not the little hallway leading into our bedrooms.

This electrical question came from: Stacy, from New York, New York.

Dave’s Reply:
Thanks for your electrical wiring question Stacy.

Air Conditioner Tripping the Electrical Circuit

Portable Air Conditioner Units and Electrical Circuit Requirements

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Complete Guide to Home Electrical Wiring

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Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
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FAQs Frequently Asked Questions and Comments

4 Responses to “Why Air Conditioners Trip Circuit Breakers”
  1. waverly says:

    I have a living room and a bedroom that have no power, where do I start to fine the problem?

  2. Dave Rongey says:

    Hi Waverly,
    When a circuit does not have power I begin by checking by checking for a tripped circuit breaker. If that is not the problem then I identify the circuit at the panel and shut it off and begin checking in the junction boxes of the outlets to look for a bad connection. See the information in the Troubleshooting Section for more information.

  3. kath whitaker says:

    I have an air conditioner unit that vents with a hose to the window. It worked great, but has now shut off. I reset the unit but it does not go on. Whats up with this?

  4. Dave Rongey says:

    Hi Kath,
    Sorry to heard about your air conditioner problem. I would suggest letting the unit sit for a while after resetting it, then turn it back onto a lower setting. The hot days that we have been having are placing quite a strain on many AC units, so they may have a hard time keeping up with the heat if they are set to full cooling. If the unit continues to trip off then go over the list in the article above which may help you diagnose the problem.