Inductive Motor Loads Can Trip GFCI Outlets
I installed a GFCI outlet in my attic and ran the load side wires to a new, through the wall, Broan 6″ round exhaust fan via a wall switch…
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GFCI Outlets and Nuisance Trips With Inductive Loads
Background: Bill, a Homeowner from Londonderry, NH
Question: I installed a GFCI outlet in my attic and ran the load side wires to a new, through the wall, Broan 6″ round exhaust fan via a wall switch. The GFCI seems to trip occasionally when the fan is turned off.
Not sure what to look for?
Thanks for your electrical question Bill.
GFCI Outlets are known for causing nuisance tripping for inductive loads such as:
Motors, Refrigerators, Freezers, Whole House Vacuum Systems and other devices that have an inductive load.
GFCI Protection is not required for specific dedicated circuits for such devices, however the outlets for these devices should be Single and not Duplex which would prevent using the second outlet.
NOTE: This is NOT true for GFCI protected equipment such as Jacuzzi Tubs, Spas, Hot Tubs and other such devices which are used in the presence of water which are usually protected by GFCI Circuit Breakers
I have provided the following links that lead to fully detailed information on this website that will assist you with your electrical question:
Bath Exhaust Fan
GFCI Outlet Wiring
Electrical Wire for the Home
Wiring Diagram GFI
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.
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.
Installing Your Bath Exhaust Fan
Answers to all of your questions about installing a bath exhaust fan and your bathroom exhaust fan replacement project.
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Great for any Home Wiring Project.
Perfect for Homeowners, Students,
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Wiring GFCI Outlets
Wiring Home Electric Circuits
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Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
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Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
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The Safest Way to Test Electrical Devices and Identify Electric Wires!
The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.
The Quickest Way to Check for Faulty Electrical Wiring!
The Plug-In Outlet Tester
This is the first tool I grab to troubleshoot a problem with outlet circuit wiring. This popular tester is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets
Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency
Lights indicate if wiring is correct and indicator light chart is included
Tests standard 3-wire outlets
Light indicates if wiring is incorrect
Very handy and easy to use.
Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!
The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
This handy tool has multiple uses:
The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation.
The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..
The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.