Splice Electrical Wire Behind Wall

I cut into an electrical wire in the wall.

Splice electrical wire behind wall.

A splice is the joining of two or more wires by twisting them together. The family handyman editor rick muscoplat shows you how to splice in jumper wires to give you the slack you need. Nec 110 14 300 15 all splices including ground wires shall be made with an approved splice cap or wire nut and shall be made in approved electrical boxes or enclosures. How to splice or repair an electrical wire or cable avoid a potential fire hazard and future problems with damaged electrical wires or cables.

If that splice fails it ll take a sledge hammer on your wall to fix the thing. It is a safety hazard to completely bury a junction box in a wall. A plastic connector called a wire nut is used to insulate and secure the splice. When working with electrical you will run into a situation where someone didn t leave enough slack inside the electrical box.

It is dangerous because if not spliced using proper wiring methods it can be weak loose. I disagree according to the national electrical code this is not true. Tyco electronic s non metallic splice and tap kits provide a fast and reliable method for splicing or tapping 2 wire w ground and splicing 3 wire w ground non metallic cables up to 300 volts. Electrical wires run behind the walls and through the ceiling of your home meeting at junction boxes.

They are designed and approved for use in rework within existing structures. Use a wire nut size appropriate for the number and gauge of the wires you re using. A junction box also known as a splice or switch box is an electrical enclosure inside your home that contains wiring. Instead all splices must be contained within an approved junction box or fixture electrical box.

Electrical splices can never left on their own in a wall or ceiling cavity. The box itself must remain accessible and cannot be hidden behind drywall or other building materials that would require removal to get to the box. Splicing or repairing an electrical wire or cable electrical question.