You press the reset button on your GFCI outlet and nothing happens. Or it resets but trips again five seconds later. Frustrating — but this is actually one of the easier electrical troubleshooting jobs a homeowner can do safely.
Let’s walk through exactly why a GFCI won’t reset and what to do about each cause.
First: What Is a GFCI Outlet?
GFCI stands for Ground Fault Circuit Interrupter. It’s that outlet with the two small buttons (TEST and RESET) you typically find in bathrooms, kitchens, garages, and anywhere near water. It monitors the flow of electricity and trips instantly if it detects even a tiny imbalance — like electricity taking an unintended path through water, or through you.
Why Won’t It Reset?
The Outlet Has No Power
A GFCI can’t reset if there’s no power coming to it. Check your main electrical panel for a tripped breaker. If a breaker is halfway between ON and OFF, flip it fully to OFF then back to ON. Then try the GFCI reset button again.
A Downstream Device Is Causing the Trip
GFCI outlets protect not just themselves but other outlets wired “downstream” from them. If you have a faulty appliance plugged into a downstream outlet — a hair dryer, space heater, lamp with a worn cord — it could be preventing the GFCI from holding a reset. Unplug everything on that circuit, reset the GFCI, then plug things back in one at a time to find the culprit.
The Outlet Is Wet or Damp
Moisture inside the outlet box itself will cause a GFCI to trip and refuse to reset. This is common in outdoor outlets, garage outlets, or bathrooms after a leak. Let it dry out completely — sometimes 24–48 hours with the cover open — before trying to reset.
The GFCI Outlet Is Wired Incorrectly
If someone wired the outlet with the LINE and LOAD terminals swapped, the GFCI won’t function correctly and won’t reset. This is a job for an electrician to fix.
The GFCI Outlet Has Failed
GFCI outlets wear out. Their internal test-and-reset mechanism degrades over time, especially in humid environments. If the outlet is more than 10 years old and nothing else explains the problem, the outlet itself is probably toast. Replacement GFCI outlets run $15–$25 at any hardware store.
How to Replace a GFCI Outlet
Replacing a GFCI is considered a DIY-friendly job if you’re comfortable around electrical work:
- Turn off the breaker for that circuit.
- Use a non-contact voltage tester to confirm power is off.
- Remove the cover plate and outlet screws.
- Pull the outlet out and photograph the wiring before disconnecting anything.
- Note which wires are on LINE and which are on LOAD terminals.
- Connect the new GFCI the same way, push it back in, and restore power.
- Press RESET, then TEST to confirm it works.
When to Call an Electrician
Call a pro if: the breaker keeps tripping when nothing is plugged in, you find melted plastic or burn marks inside the box, or you’re not confident identifying LINE vs. LOAD wiring. A simple GFCI inspection and replacement typically costs $75–$150 for a licensed electrician.