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.

Can you splice electrical wire in a wall.

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. 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. A splice is the joining of two or more wires by twisting them together. Wire splice connections must be housed inside a covered electrical box known as a junction box.

You should have at least 3 ft. Or kneewall space you can remove the wire from the existing fixture box and install it in a junction box. A junction box also known as a splice or switch box is an electrical enclosure inside your home that contains wiring. 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.

The method demonstrated here is the correct way to splice electrical wires using ul approved wire connectors joined inside an approved electrical box. It is a safety hazard to completely bury a junction box in a wall. These connectors can be the familiar twist on wire nuts or newer style push fit connectors. This is the method approved by the national electrical code nec.

Of new wire from the splice box to the fixture box. 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. Electrical wires run behind the walls and through the ceiling of your home meeting at junction boxes.