Wiring a GFCI Outlet with a Switch


By Dave Rongey - Summary:

How to Wire a GFCI Outlet with a Switch – There are a few different methods that are used to wire GFI Outlets but all start with locating the Line side of the GFCI Receptacle where the power source is attached as described.


Identifying the Wiring for a New GFCI Outlet

Electrical Question: I am replacing an ungrounded 2nd generation duplex outlet with a GFCI outlet.

This electrical wiring question came from: Rick, a Homeowner from New Jersey

Dave’s Reply:
Thanks for your electrical wiring question Rick.

How to Wire a GFCI Outlet with a Switch

Skill Level: Beginner to Intermediate.
Tools Required: Basic Electricians Pouch Hand Tools and Voltage Tester.
Estimated Time: Depends on personal level experience and ability to work with tools.
Precaution: Identify the source power circuit, turn it OFF and  Tag it with a Note before working with the wiring.

There are a few different methods that are used to wire GFI Outlets but all start with locating the Line side of the GFCI Receptacle where the power source is attached as described.

The Following will assist you with wiring GFCI Outlets:

electrical outlet wiring
outlet-wiring

wiring a switch
electrical-switches
Wiring a Light Switch – Diagram 1

electrical wire
electrical-wire

For more information about GFCI Wiring
GFCI Wiring
GFCI Wiring



 
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Complete Guide to Home Electrical Wiring
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Includes:
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
How to Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
Electrical Codes for Home Electrical Wiring
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2 Responses to “Wiring a GFCI Outlet with a Switch”
  1. Dave Rongey says:

    Hi Bob,
    My personal preference is that a garage door opener outlet or ceiling lighting should not be protected by a GFCI in the garage. My reason is for safety, to make sure that these vital components remain ON and available even if the GFCI protection trips off for the accessible garage outlets. In order to accomplish this and be compliant with the NEC code a Single outlet should be installed for the garage door opened, not a Duplex.
    Wiring for this setup would be to make the connections before the GFCI outlet, or with the LINE side of the GFCI, not the LOAD.
    Dave

  2. bob d says:

    I am installing 20a circuit to my garage. I have 4 boxes, first one will be a double with a GFI and a separate switch to control, an outlet on the ceiling to the garage door opener. 2 more boxes/receptable down stream from the gfi double box.
    How do I wire the switch from the GFI to control only the ceiling outlet? I want the 3 wall receptable (GFI and the 2 downstream) to remain on when the switch is turned off.
    Do I go from switch to load to protect the ceiling receptacle to switch only that receptacle on /off or to line? If I went to line would it be protected?
    Thank you
    Bob

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