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.

This is the method approved by the national electrical code nec. A junction box also known as a splice or switch box is an electrical enclosure inside your home that contains wiring. This video is one in a series of six video w. Electrical wires run behind the walls and through the ceiling of your home meeting at junction boxes.

A splice is the joining of two or more wires by twisting them together. In this video i show you how to splice wires when your wires are too short for where you want to move an outlet. They are designed and approved for use in rework within existing structures. 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.

These connectors can be the familiar twist on wire nuts or newer style push fit connectors. It is a safety hazard to completely bury a junction box in a wall. 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.

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. Use a wire nut size appropriate for the number and gauge of the wires you re using. Wire splice connections must be housed inside a covered electrical box known as a junction box.