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How to Add an Outlet to an Existing Wall

By , About.com Guide

So your home hasn't got enough outlets? Why not add a few to make the room a little more convenient? In this article, you'll learn how to add another outlet in an existing wall. These easy steps can be accomplished without damaging the portion of the wall that you see.

11. Reinstall Drywall and Trim

Using drywall screw, reinstall the drywall piece that you earlier cut out. Reinstall the base trim and what do you know? The project is complete and you wouldn't even know that anything had been done. Well, except for a little vacuuming that may need to be done.

12. Connect the New Outlet

A photo of wires being connected.Timothy Thiele
Strip the outer coating from the Romex and strip the black and white wires about 3/4 inch. Bend a half moon and wrap the black wire clockwise around the brass colored screw. The white wire is next and it is attached similarly, only to the silver colored screw. The bare copper wire connects to the green screw. Tuck the wires into the box and screw the outlet into the box. Install the cover plate and you're finished with this outlet.

13. Connect the Existing Outlet

A photo of a pigatil connection.Timothy Thiele
The existing outlet will need a pigtail connection. This involves cutting scrap pieces of the three colored wires and attaching one end to the outlet and the other to the two pieces of Romex. Find out how to attach a pigtail. Attach wire nuts to connect the wires. Gently press the wires into the box and screw the outlet into the box. Install the outlet's cover plates and you have finished the outlet installation.

14. Turn On the Power and Test

A photo of a breaker being turned on.Timothy Thiele
The final step is to turn the circuit back on and test the circuit. Be sure to try both the new and the old outlet. It is as easy and painless as that and you'll have everyone wondering how you did it!

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