Replace Light Fixture Junction Box

Secure the base or canopy.

Replace light fixture junction box.

Install a surface mount box remodel junction boxes aren t intended to use outdoors so if you want to install a spotlight on the porch screw a surface mount box to the siding. Before replacing a light fixture check your electrical circuit panel to locate the circuit. Once the box is in place install the crossbar that comes with the light fixture connect the wires and secure the fixture to the crossbar. Push the box into the hole in the ceiling until the lip of the box is flush with the drywall.

Cover the switch with tape to make sure it doesn t get turned back on while you are working image 1. To correct it add a box extender. If your light fixture pulls out from the ceiling chances are that the light box has cracked. How to replace electrical box for ceiling light.

Attach the wires from the new fixture with wire nuts to the corresponding wires in the electrical box. To replace an existing fixture first turn off electricity at the home s main electrical panel to the circuit that powers the light and its switch. From the surface of the wall or ceiling you ve got a code violation. If the junction box is recessed more than 1 4 in.

Remove the light bulbs from the fixture. This is common when a layer of drywall or wood was installed over the original ceiling. Turn off the power. Unscrew the screws or nuts holding the fixture base to the ceiling box.

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. We use an old work electrical box to replace a damaged or loose. Install a plastic old work ceiling junction box if your fixture weighs 10 pounds or less. Turn off the circuit breaker on the service panel for the light circuit being worked on.

Pull the electrical cable that s hanging from the ceiling through a knockout hole in the back of the box. 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. Ceiling light boxes consist of metal or plastic boxes.