Repair Riot

Breaker Keeps Kicking Off

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Quick answer

A breaker that keeps tripping is usually due to an overload or short circuit. Turn off the affected circuit, unplug devices, and reset the breaker. If it trips again, contact an electrician.

Confirm the symptom

Tools and prep

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Prep & safety

Step-by-step troubleshooting

  1. Identify the Circuit
    Do: Check the breaker panel to identify which breaker is tripping and which rooms/appliances it controls.
    Observe: Breaker is in the 'off' position or halfway.
    Means: This confirms the affected circuit.
    Next: Step 2
  2. Unplug Devices
    Do: Unplug all devices on the affected circuit and reset the breaker.
    Observe: Breaker stays on without tripping.
    Means: Overload was the cause.
    Next: Step 5
  3. Check for Short Circuits
    Do: Use a multimeter to test outlets for continuity and shorts.
    Observe: Multimeter shows a short or infinite resistance.
    Means: There is a wiring issue or faulty appliance.
    Next: Step 4
  4. Inspect Outlets and Wires
    Do: Visually check outlets, switches, and wiring for damage, loose connections, or burning smells.
    Observe: Visible damage or loose wires.
    Means: Repair or replace damaged components.
    Next: Step 5
  5. Test Appliances
    Do: Plug in one appliance at a time to identify if a specific device causes the trip.
    Observe: Breaker trips when plugging in a specific appliance.
    Means: The appliance is faulty.
    Next: Step 6
  6. Replace the Breaker
    Do: If no other issues are found, replace the breaker with an identical amperage rating.
    Observe: New breaker stays on without tripping.
    Means: The original breaker was faulty.
    Next: Step 7
  7. Call an Electrician
    Do: If the breaker still trips after all steps, stop and contact a licensed electrician.
    Observe: Breaker continues to trip.
    Means: There is a complex wiring issue.
    Next: Step 8
  8. Document and Prevent
    Do: Label the circuit clearly and avoid overloading it in the future.
    Observe: Circuit is properly labeled and not overloaded.
    Means: Prevent future trips.
    Next: Step 9

Common causes

CauseLikelihoodDifficultyPart often needed
Overloaded Circuit
Too many devices drawing power simultaneously.
CommonEasyNone
Short Circuit
Wires touching or insulation damaged.
CommonMediumWire connectors or replacement wire
Faulty Appliance
Internal wiring or motor failure in a device.
CommonEasyNew appliance
Loose or Corroded Wires
Poor connections at outlets or switches.
SometimesMediumWire connectors
Worn or Faulty Breaker
Internal components degrade over time.
SometimesMediumReplacement breaker
Ground Fault
Current leaking to ground, often in wet areas.
SometimesHardGFCI outlet
Rodent Damage
Chewed wires causing shorts or leaks.
RareHardWire replacement
Incorrect Breaker Size
Breaker rated for less current than the circuit needs.
RareHardCorrect amperage breaker

Parts you might need

Match these specs when replacing parts:

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Take the old part to the store for an exact match if unsure.

When to call a professional

FAQ

Can I replace a circuit breaker myself?

Yes, if you're experienced with electrical work and follow safety precautions. Otherwise, hire an electrician.

Why does my breaker trip only when I use a specific appliance?

The appliance may be drawing too much power or has an internal fault causing a short.

How do I know if the breaker is faulty?

If it trips frequently without a clear cause and replacement fixes the issue, the original breaker was likely faulty.

What's the difference between a GFCI and AFCI breaker?

GFCI protects against ground faults (shock), while AFCI protects against arc faults (fire hazards).