Can You Splice Electrical Wire In A Wall

A plastic connector called a wire nut is used to insulate and secure the splice.

Can you splice electrical wire in a wall.

Splice wires whether you re swapping in a new light fixture or adding an outlet in the garage you ll probably need to reconnect wires connect a new wire to an old one or extend a few wires. You should have at least 3 ft. If you don t have a multimeter with a sensitive ncv function that you can use to trace wires in the wall before cutting you can use a drywall router or jab saw and not cut through any wires. Of new wire from the splice box to the fixture box.

Electrical wires run behind the walls and through the ceiling of your home meeting at junction boxes. Wire splice connections must be housed inside a covered electrical box known as a junction box. This can be a junction box that has a blank cover placed on it as long as it is accessible from either side of a wall or accessible within an attic crawl space or basement area. All electrical splices or wiring modifications must be contained in an approved electrical enclosure that is accessible.

A junction box also known as a splice or switch box is an electrical enclosure inside your home that contains wiring. You can then splice on a new piece of wire make sure it is the same wire gauge and run the new piece from the junction box back to the fixture box. These connectors can be the familiar twist on wire nuts or newer style push fit connectors. A long bladed sawzall at a shallow angle works as long as you aren t going through much but that can be hard to control.

The method demonstrated here is the correct way to splice electrical wires using ul approved wire connectors joined inside an approved electrical box. Use a wire nut size appropriate for the number and gauge of the wires you re using. A splice is the joining of two or more wires by twisting them together.