You should have at least 3 ft.
Can you splice electrical wire in a wall.
The method demonstrated here is the correct way to splice electrical wires using ul approved wire connectors joined inside an approved electrical box.
A splice is the joining of two or more wires by twisting them together.
A junction box also known as a splice or switch box is an electrical enclosure inside your home that contains wiring.
Electrical wires run behind the walls and through the ceiling of your home meeting at junction boxes.
These connectors can be the familiar twist on wire nuts or newer style push fit connectors.
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.
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.
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.
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 is the method approved by the national electrical code nec.
It is a safety hazard to completely bury a junction box in a wall.