Ceiling fan boxes must include bracing that attaches to the ceiling joists to support the greater weight and vibration that comes with a ceiling fan installation.
Adding a light fixture to an existing ceiling fan.
Adding a ceiling fixture where none.
Replace the screws that hold the center plate in place.
Choose a place for the fixture install an electrical box and run a cable between the new fixture and the existing one.
I cover how to install a ceiling fan into a room with no existing light or fixture.
There are diagrams for adding lights to a ceiling fixture you already have and for using an existing wall outlet as the source for a new switch and light.
Reinstall the fan onto the ceiling.
Installing a ceiling fan with existing light fixtures there are a few ways to accomplish this task and the starting place is to identify the location of the hot and neutral power source.
With the light fixture now wired and attached reattach the center plate to the body of the fan.
Ceiling fan light kits are available from your local home improvement chain and typically cost only around 20 to 50 depending on the fixture type and features.
How to wire a ceiling fan to an existing outlet wire.
If your ceiling fan has no housing assembly at the center of it then you will not be able to attach a lighting assembly.
Make sure the cable you use is the same gauge as the one powering the existing fixture.
Keep in mind what makes a ceiling fan electrical box different from a traditional light fixture box is the bracing.
Use wire nuts to attach the wires white to white and black to black.
Screw the light assembly onto the center plate so that it is firmly attached.
Because of this adding a light to your ceiling fan may be a quick and easy job.
An end of run fixture is one that goes after the existing fixture in the circuit.
A ceiling fixture that operates off a switch when you enter a room is a convenient way to light a room.
I cover some pointers on where to get the power from the type of bracket.
Different wiring arrangements are included to allow for either the light or the switch to come first in the circuit.