Home » Electrical Wiring Directory » Leave a Comment or Ask a Question

How to Repair a GFI Problem

By Dave Rongey - Summary:

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

Electrical Question: I have a problem with GFI installation.

  • 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.
Best wishes,

This home electrical repairs question came from: Don, from Tampa, FL.

Dave’s Reply:
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.

More about GFI Circuits and Electrical Wiring

Guide to Home Electrical Wire

Electrical Wire for the Home

Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.

How to Wire GFI Outlets
GFCI and GFI Wiring Diagrams

The features and benefits of GFCI outlets and receptacles will give you a clear understanding of the importance why these safety devices are required by code to help protect you and your family against accidental electrical shock hazards.
GFCI Wiring
GFCI Wiring
This list of articles will help you learn about the features and benefits provided by GFI and GFCI Receptacles and how they are wired.

Using Testers to Identify Electrical Problems

Testers to Help Solve Electrical Problems

Troubleshooting Electrical Wiring
Types of Electrical Testers

Electrical Wiring Tools

Electrical Wiring Tools

A listing of the electrical tools I use on most all of my electrical jobs and projects.

Learn How to Wire it Right with my
Complete Guide to Home Electrical Wiring
Perfect for Homeowners, Students,
Handyman, Handywomen, and Electricians
Wiring GFCI Outlets
Wiring Home Electrical Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
Troubleshooting and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
Electrical Codes for Home Electrical Wiring
....and much more.

» Click here to learn more about Home Electrical Wiring «
  repair electrical wiring  

Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all projects.

« The Shocking Truth About Neutral Wires Can I Use A Remote Control Switch For Lighting? »

Leave a Comment or Question

Thanks for your Comments and Quick Questions!

Please make sure your question is about the topic on this page, which is:
How to Repair a GFI Problem

Comments or questions posted here are open for Quality Discussion and Participation - Spam will be deleted.