How to Repair a GFI Problem
How to Locate and Repair a GFI Outlet or Circuit Problem: The Most Common Problems with GFCI Outlets and How to Fix Them.
Guide to GFI Outlet Problems and How to Fix Them
- The GFI was installed by new electricians.
- A problem occurs when I turn on an appliance the GFI trips off.
- I checked the wiring of the GFI and it seems that hot and neutral wires were wired correct.
- What would you recommend to help me find the problem?
Thank you in advance.
This home electrical repairs question came from: Don, from Tampa, FL.
Thanks for your electrical troubleshooting question Don.
How to Locate and Repair a GFI Outlet or Circuit Problem
Application: Testing GFCI Outlet and Circuit Wiring.
Skill Level: Intermediate to Advanced.
Tools Required: Basic Electricians Pouch Hand Tools a Voltage Tester or Plug-In Circuit Analyzer.
Estimated Time: Depends on personal level experience, ability to work with tools, the extent of the electrical repairs, the number of outlets that are affected and access to each location.
Precaution: Identify the GFCI outlet circuit, turn it OFF and Tag it with a Note before working with the wiring.
The Most Common Problems with GFCI Outlets and How to Fix Them
- GFI Outlet Problems
A GFI circuit problem can be caused by several things including the devices or appliances that are connected to the GFI circuit.
- Check what is Plugged Into the Outlet
Start by checking the appliance that is connected when the GFI trips off because there may be a problem with the internal wiring for the appliance.
- Isolating the Problem
If the GFI does not trip off when other things are connected then the GFI circuit wiring may be correct.
- Check the Wiring of the GFI Outlet
- The Incoming circuit wiring is attached to the LINE side.
- The Outgoing circuit wiring is connected to the LOAD side.
- Segments of the GFI Circuit
Test each item separately in order to isolate the problem, then check the suspected device for wiring problems or abnormalities.
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