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GFCI trip cause diagnostic

GFCI trips in wet weather

Weather-correlated trips are moisture bridging a small path to ground — dry and protect the receptacle with an in-use cover and a weather-resistant device.

Stop and call a licensed electrician or emergency services now if there's smoke, sparks, a burning smell, heat, shock, or water near the problem. Otherwise it's safe to answer the questions below.

The likely readout

Most likely cause

Moisture intrusion — trips track wet or damp conditions, so water is bridging a small leakage path to ground

Ranked by fit to your answers
1
Moisture intrusion — trips track wet or damp conditions, so water is bridging a small leakage path to ground
85
SAFE NEXT CHECKDry the receptacle and protect it: outdoors, an in-use (bubble) cover and a weather-resistant GFCI keep water off the contacts. If trips stop once it's dry, moisture was the path.
Where to stop. Drying a receptacle, fitting an in-use cover, and unplugging downstream loads are homeowner-safe. Replacing a GFCI or chasing a fault inside boxes means live conductors — if a GFCI keeps tripping with nothing plugged in, that's a wiring fault for a licensed electrician. This is general information, not a quote and not a substitute for a licensed electrician.
MOISTURE water bridges a small path to groundGFCIdamp leakage

Not your exact situation? Adjust the answers and re-rank →

What to do next

Try the safe next check above. If it doesn't resolve it, or would mean working on wiring or a panel, stop and call a licensed electrician — don't replace parts on a guess. Open the full tool to change any answer for your exact situation, or try a related check below.

source-governed · verified 2026-06-20

Sources

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