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GFCI - Tailed Wiring Method


By Dave Rongey
©2008 Dave Rongey
electrical project photos

Summary: This article will explain how GFCI Wiring - The Tailed Wiring Method enables you to install one GFI Outlet to protect one location without affecting other devices on the circuit.

GFCI - The Tailed Wiring Method

Installing more than one GFCI at multiple locations

GFCI Wiring - The Tailed Wiring Method is very useful and enables the GFCI protection to be location specific. One example where this is very advantageous is in a two story residence where there is a bathroom downstairs and a bathroom upstairs. If the circuit was protected by only one GFCI on the downstairs level and second floor bathroom created an accidental trip, the person in the second floor bathroom would require the first floor GFCI to be reset. This can be a real disadvantage.

 

Below you will see some photos of recent projects that I have selected to help you with your project.

In this installation you will see how I converted a typical receptacle into a GFCI that will then be operated independently of the other devices downstream on the circuit.

Take a look at GFCI Wiring - The Tailed Wiring Method in a typical installation:
[Click on the images to Enlarge]

 

check local code reqs
GFCI Tailed Wiring Method 1
After shutting off the power, begin by removing the existing receptacle
GFCI Tailed Wiring Method 2
GFCI Tailed Wiring Method 3
GFCI Tailed Wiring Method 4
Inspect the wires and check to be sure the ground is bonded through
Make two "Tails" one for each insulated wire
Twist the wires together evenly, then screw the Wire Connector firmly
GFCI Tailed Wiring Method 5
I like using the 15 Amp rated GFCI ReceptacleS which is rated for 20 Amp Feed Through capacity.
GFCI Tailed Wiring Method 6
GFCI Tailed Wiring Method 7
GFCI Tailed Wiring Method 8
GFCI Tailed Wiring Method 10
Fold the spliced wires back into the back of the box making room for the GFCI
Attach the Ground Wire to the provided ground screw connection
Attached the tails - Black to the Hot Wire terminal, and the White to the White Wire terminal
GFCI Tailed Wiring Method 11
GFCI Tailed Wiring Method 12
GFCI Tailed Wiring Method 13
Install the GFCI Receptacle
Mount the Cover Plate
The circuit is turned on and tested

GFCI - Tailed Wiring Method - top of page
Return To:
GFCI Single Wiring Method
GFCI Electrical Codes Requirements
GFCI Features and Benefits
GFI Circuit Breakers
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