Wiring Issues Improper installation is a silent contributor to reset failures. Then, attempt to reset the GFCI.
GFCI Won't Reset Due Water Damage: How Moisture Causes Reset Failure
This could be a damaged appliance, a frayed cord, or moisture trapped inside an outlet or switch. If your diagnostics lead you to inspect the wiring inside the junction box, you must turn off the main power supply first.
If it detects even a slight discrepancy, which could indicate a leak current traveling through a person, it trips instantly. This common issue often points to a fault in the device itself or an upstream problem that the GFCI is designed to protect against.
GFCI Won't Reset Due Water Damage
If the GFCI trips constantly despite having a clear circuit and a new device, the issue might reside in the shared neutral or ground wire back at the breaker panel. Common Causes of Reset Failure Most scenarios where a GFCI refuses to reset stem from three primary sources: a persistent ground fault, a wiring error, or a device failure.
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