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Wiring a Bathroom GFI Outlet and Light Switch

By Dave Rongey - Summary:

Electrical Wiring for a Bathroom GFI Outlet with a Light Switch: Wiring Diagrams for GFI Outlets

Bathroom GFI Outlet Wiring with a Light Switch

Electrical Question: I’m trying to wire a GFI outlet in my bathroom then install a piggy back or double switch for two light switches with no success. I have power to the GFI outlet and power to the first switch but the light will not work. What am I doing wrong?

This electrical question came from: Bob, a Homeowner from Woodbine, Georgia.

Dave’s Reply:

Thanks for your electrical question Bob.

Electrical Wiring for a Bathroom GFI Outlet with a Light Switch

  • Check to make sure that the white neutral wires are connected properly.
  • Understand that if the GFI outlet will be protecting the light fixtures then the white neutral wire for the light fixtures must be wired through the GFI outlet the same as the black or power wire.
  • If the light fixtures will not be protected by the GFI outlet then the black power for the light fixtures is spliced to the power wire that connects to the LINE side of the GFI outlet.
  • The white neutral wire for the light fixtures is connected to the white neutral wires that connects to the LINE side of the GFI outlet.

More about wiring outlets

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Wiring Electrical Outlet for the Home

  • Home electrical wiring includes 110 volt outlets and 220 volt outlets and receptacles which are common place in every home.
  • See how wiring electrical outlets for the home is installed.

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Wiring Diagrams forĀ  GFI Outlets

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 electrical code to help protect you and your family against accidental electrical shock hazards.

For more information about Light Switch Wiring
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Fully explained pictures and wiring diagrams about wiring light switches describing the most common switches starting with photo wiring diagram.

Learn How to Wire it Right with my
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2 Responses to “Wiring a Bathroom GFI Outlet and Light Switch”
  1. tr says:

    How do you wire a new GFI from start with a light switch? I have a GFI, a light fixture and a light switch. There is a main feed from breaker box a wire for light and a switch to add. How do I make a complete circuit.

  2. Russ says:

    I need to install a GFCI to a double light switch that switches a light and a disposal


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