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Diagnostic guide

GFCI Won't Reset

A GFCI outlet or breaker that will not stay reset — there is a ground fault somewhere on the circuit that must be found.

System
Electrical
Causes covered
6
You can check
3 without a technician

Stop and read this first

  • A GFCI that will not reset is doing its job — there is a real ground fault. Do not bypass it.
  • Never install a standard outlet in place of a GFCI where code requires GFCI protection.
  • Water and electricity near a tripped GFCI means turn off the breaker before investigating.

Work through these in order

Ordered from most to least likely. Working top down means you rule out the cheap, common causes before paying anyone to look at the expensive, rare ones.

  1. Moisture in an outdoor or bathroom outlet

    CommonYou can check
    How to check
    GFCI tripped after rain, irrigation, or shower use. Exterior outlet cover is cracked or open.
    The fix
    Dry the outlet and reset. Replace damaged weatherproof covers ($10 to $25). If it trips again when dry, the outlet itself may be failed.

  2. Ground fault in a connected appliance

    CommonYou can check
    How to check
    GFCI trips when a specific appliance is plugged in. Unplug everything and reset — if it holds, add devices back one at a time.
    The fix
    Repair or replace the faulty appliance. A failing motor or damaged cord is the usual cause.

  3. Failed GFCI outlet

    CommonYou can check
    How to check
    GFCI will not reset with nothing plugged in and no moisture present. Unit is over 10 years old.
    The fix
    Replace the GFCI outlet ($15 to $25 DIY, $150 to $250 professionally). GFCIs have a finite lifespan and should be tested monthly.

  4. Ground fault in downstream wiring

    PossibleNeeds a pro
    How to check
    GFCI trips immediately on reset even with a new outlet and nothing plugged in.
    The fix
    An electrician traces the circuit for a damaged wire, loose ground, or nail through a cable ($200 to $600).

  5. Shared neutral on a multi-wire circuit

    PossibleNeeds a pro
    How to check
    GFCI trips when a device on a different circuit runs. Recent electrical work or DIY wiring.
    The fix
    An electrician separates the neutrals or corrects the wiring. Shared neutrals on GFCI-protected circuits cause nuisance tripping.

  6. Failed GFCI breaker in the panel

    PossibleNeeds a pro
    How to check
    A GFCI breaker in the panel (not a receptacle) will not reset. Breaker is warm or has tripped repeatedly.
    The fix
    An electrician replaces the GFCI breaker ($200 to $400). Do not substitute a standard breaker.

How to find a good electrician

Before you sign a contract for this job, use our guide on how to find a good electrician: verify the licence at the state board, compare three itemized quotes on the same scope, and put permit responsibility and change-order rules in writing.

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For trade owners

Pricing this job as a contractor?

Homeowners see national ranges on this page. If you are building the estimate, use the same scope assumptions — then price to burdened labor, overhead recovery and a real margin.

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When you are ready to hire for gfci won't reset, start with licence verification — not with whoever answered first.

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Common questions

Could moisture in an outdoor or bathroom outlet be causing this?
GFCI tripped after rain, irrigation, or shower use. Exterior outlet cover is cracked or open. Dry the outlet and reset. Replace damaged weatherproof covers ($10 to $25). If it trips again when dry, the outlet itself may be failed.
Could ground fault in a connected appliance be causing this?
GFCI trips when a specific appliance is plugged in. Unplug everything and reset — if it holds, add devices back one at a time. Repair or replace the faulty appliance. A failing motor or damaged cord is the usual cause.
Could failed gfci outlet be causing this?
GFCI will not reset with nothing plugged in and no moisture present. Unit is over 10 years old. Replace the GFCI outlet ($15 to $25 DIY, $150 to $250 professionally). GFCIs have a finite lifespan and should be tested monthly.
Could ground fault in downstream wiring be causing this?
GFCI trips immediately on reset even with a new outlet and nothing plugged in. An electrician traces the circuit for a damaged wire, loose ground, or nail through a cable ($200 to $600).

Once you know what it is

Step one

Know what it should cost

Get the range before you call, so the first number you hear is not the only number you have.

Step two

Decide repair or replace

On equipment near end of life, the repair is usually the first of several.

Step three

Check the quote

Compare against the typical range and confirm the terms before you sign.

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What the fix costs

Tools for this decision

Other symptoms