Replace Ceiling Light Electrical Box

The finished replacement of an old style pancake ceiling electrical box ready for a standard light fixture.

Replace ceiling light electrical box.

You also should replace a ceiling box if the existing one is loose or damaged. Broken plastic electrical box swing clamp supports allowed the box to fall from the ceiling leaving the light fixture hanging by its electrical wires. The round or octagonal box houses lightweight fixtures or safety devices in the ceiling. As an amazon affiliate i get commissions from purchases made from links in the description of my videos.

Ceiling light boxes consist of metal or plastic boxes. 1 for each hot and neutral wire entering the box 1 for all the ground wires combined 1 for all the. Unscrew the screws or nuts holding the fixture base to the ceiling box. The electrical box or junction box is a code requirement that was established to prevent fires and other electrical accidents.

How to replace electrical box for ceiling light. If you re installing a heavier light fixture or a ceiling fan you ll need to replace the electrical box in the ceiling with one that can support the extra weight. Once again the easiest way to install a new electrical box in an existing ceiling is to use a special fan brace and box made for retrofitting. A square electrical box also known as a double gang box houses two devices.

Attach the wires from the new fixture with wire nuts to the corresponding wires in the electrical box. Please help support my channel by using my link to. If you re wondering how you install a light fixture without an electrical box the short answer is that you don t. They ll have a combination outlet switch or a pair of outlets switches inside.

Number 10 x 1 5 sheet metal screws were used to secured the pancake box to the ceiling joist. Repair a broken plastic electrical box mounted in a ceiling or wall this article describes how to repair a ceiling light fixture electrical box that was falling out of the ceiling. The box above is ready for a standard light fixture installation. To figure the minimum box size required by the national electrical code add.

Lower the fixture base and remove the electrical tape or wire nuts from the black hot wire white neutral wire and if present green ground wire.