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.
How to install a ceiling light fixture box.
Before you begin make sure your junction box can support the weight of the new light fixture.
Remove the light bulb cover and bulbs from the fixture.
Trace the mounting box on the ceiling where the light fixture will be mounted.
Junction boxes typically hold up to 50 pounds.
How to hang a ceiling light fixture project overview.
If you re wondering how you install a light fixture without an electrical box the short answer is that you don t.
Box sizes but if you encounter a round box that s only 1 2 in.
How to install a junction box for a light fixture is fairly easy and should always be done with the power off.
Trace the electrical box for the switch and cut it out the same way as the mounting box.
It should be 48 from the floor.
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.
Unscrew the screws or nuts holding the fixture base to the ceiling box.
For more on lighting consider.
If your fixture weighs more you may need to install a junction box that s designed to support heavier light fixtures.
Finally install the correct bulbs turn the electricity back on and admire the radiance of your new ceiling light fixture.
Devise a lighting plan.
Cut out the traced hole with an oscillating saw.