Splicing Electrical Wires 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.

Splicing electrical wires in a wall. Use a wire nut size appropriate for the number and gauge of the wires you re using. By law wire splices connections between two or more electrical wires must be made with approved electrical connectors. This is the method approved by the national electrical code nec. Splicing electrical wires that is the electrical connection or joining of two or more wires that conduct electricity in a building is a task that can be learned easily but if the splice is not made correctly the electrical system will be unreliable and unsafe risking fire or shock hazards.

All electrical splices or wiring modifications must be contained in an approved electrical enclosure that is accessible. Electrical wires run behind the walls and through the ceiling of your home meeting at junction boxes. 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. A plastic connector called a wire nut is used to insulate and secure the splice.

This video is one in a series of six video w. A junction box also known as a splice or switch box is an electrical enclosure inside your home that contains wiring. It is a safety hazard to completely bury a junction box in a wall. 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.

A splice is the joining of two or more wires by twisting them together. These connectors can be the familiar twist on wire nuts or newer style push fit connectors. The most common types of approved connectors are twist on plastic caps commonly known by the brand name wire nuts and the relative newcomers push in connectors.