How to Repair a GFI Problem
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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
[ad#block]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,
Don
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.
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My GFI works fine except my intercom radio hums when on, but does not hum when I trip the GFI, the radio is on it’s own separate circuit, what is the problem?
Hi Bill,
The hum may be coming from something that is plugged into or connected to the Load side of the GFI circuit. If this is a stand alone GFI then the GFI may be older or need replacing.
I hope this helps,
Dave