My bathroom outlets stopped working on a Tuesday morning and I panicked. No hair dryer. No electric toothbrush charger. I was mentally calculating what an emergency electrician would cost when my neighbor — who is not an electrician but has owned his house for forty years — knocked, looked at the outlet, pressed a button, and fixed it in four seconds.

The outlet had a GFCI that had tripped. I did not even know what GFCI meant. If you have ever had a bathroom, kitchen, or outdoor outlet suddenly stop working for no apparent reason, there is a roughly 80% chance this is the fix. Here is what to do before you call anyone.

What a GFCI is and where to find it

GFCI stands for Ground Fault Circuit Interrupter. It is an outlet with two small buttons in the middle — one marked TEST and one marked RESET. They are required by code in bathrooms, kitchens, garages, basements, and outdoor locations. They trip when they detect even a tiny electrical imbalance, like moisture in the outlet or a frayed cord touching water.

The tricky part: one GFCI outlet can control several regular outlets downstream. So your bathroom outlet might be dead because a GFCI in the garage tripped. Or the outlet outside on the back porch is the one that controls all the bathroom outlets. The reset you need might not be on the outlet that stopped working.

How to find the tripped GFCI

Walk through your house and press the TEST button on every GFCI outlet you find, then press RESET firmly until it clicks. Check bathrooms, kitchen counters, garage walls, basement walls, laundry room, and any outdoor outlets. There might be one behind a shelf or appliance you forgot about.

If you press RESET and it immediately pops back out, something is still causing a ground fault. Unplug everything from that outlet and all the dead outlets downstream, then try RESET again. If it holds, plug things back in one at a time to find the culprit.

Also check your electrical panel — sometimes the breaker itself has tripped. GFCI outlets commonly share a circuit, so if the breaker is off, the GFCI will not reset. Look for a breaker that is in the middle position (not fully ON and not fully OFF). Flip it all the way OFF, then back ON, then try the GFCI RESET again.

When the GFCI will not reset

If you have unplugged everything, checked all the GFCI outlets and the breaker panel, and RESET still will not hold, you might have moisture inside the outlet box or a damaged outlet. This happens a lot with outdoor outlets after heavy rain. Turn off the breaker, remove the outlet cover, and let it dry for 24 hours. If it still trips after that, the GFCI itself may be worn out — they last about 15-20 years — and needs replacing.

Replacing a GFCI outlet is a fifteen-minute DIY job if you are comfortable with basic wiring, but if you are not, this is when you call the electrician. At that point you have already ruled out the easy fixes and the electrician will not be charging you $150 to press a button.