Can You Splice Electrical Wire In A Wall

Electrical wires run behind the walls and through the ceiling of your home meeting at junction boxes.

Can you splice electrical wire in a wall.

You should have at least 3 ft. A splice is the joining of two or more wires by twisting them together. A plastic connector called a wire nut is used to insulate and secure the splice. All electrical splices or wiring modifications must be contained in an approved electrical enclosure that is accessible.

It is a safety hazard to completely bury a junction box in a wall. Wire splice connections must be housed inside a covered electrical box known as a junction box. 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. This is the method approved by the national electrical code nec.

Use a wire nut size appropriate for the number and gauge of the wires you re using. 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. Or kneewall space you can remove the wire from the existing fixture box and install it in 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.

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. Of new wire from the splice box to the fixture box. These connectors can be the familiar twist on wire nuts or newer style push fit connectors.