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The short answer
A GFCI won’t reset if it has no power, if the fault that tripped it is still there, if it’s wet, or if the GFCI itself has failed. Newer GFCIs also refuse to reset if they were wired backward.
How urgent is it?
Work through it
1 | Check for power. Look at the breaker panel. Also check whether this GFCI is downstream of another GFCI. If the first one is tripped, the second can’t reset. |
2 | Unplug everything from it and the outlets it protects. A faulty appliance, extension cord, or holiday lights can trip it again the moment you reset. |
3 | Let it dry. Outdoor and garage GFCIs often trip after heavy rain. Give it a few hours or a dry day, then try again. A weatherproof in-use cover helps prevent it. |
4 | Press reset firmly. It should click and stay in. If it clicks and pops right back out with nothing plugged in, there’s a fault in the wiring or the device. |
Call an electrician if
| It won’t reset with power present and nothing plugged in. |
| It was recently replaced and has never worked. The line and load wires may be reversed. |
| It’s old and the test button no longer trips it. A GFCI that won’t trip isn’t protecting anyone. |
| It’s warm, buzzing, or scorched. |
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See electrical repair servicesQuick answers
How long do GFCI outlets last?
Many last a decade or more, but outdoor and high-humidity locations wear them out sooner. Press the test button monthly. If it doesn’t trip, replace it.
Why does my GFCI keep tripping in the rain?
Water is getting into the outlet box or a plugged-in cord. Check the cover, seal gaps, and look for damaged outdoor cords.
