Most ceiling fans come pre wired for a light fixture whether it has a fixture or not. The blue wire is the hot wire for the ceiling fan light fixture.
Wiring A Ceiling Fan With Black White Red Green In Ceiling
Blue ceiling fan wire. Blue wire or green wire. Find the short green wire or the green ground screw on your ceiling fan hanging. This will allow you to add a light kit later on without having to rewire the fan. The blue wire on a ceiling fan is to control the power running to the light kit. The blue wire is for the ceiling fan light and if you do not have a separate switch wire for the light then the blue attaches with the black wire for the ceiling fan motor. Some ceiling fans will have a black and white stripe colored wire that is to be used for the light fixture.
The following will assist you with wiring ceiling fans. If your ceiling fan does not have a light fixture then you can either cap off the blue wire up at the ceiling fixture electrical box or connect is as described above. If the ceiling fan does not have a light fixture then you have the option to add one. For ceiling fans without lights follow the same step. Since there are a lot of different color codes it is unclear what the exact purpose of the blue wire is but you can use your individual fans wiring diagram to learn how it functions. Connect the green wire to your household ground wire copperbare wire.
Connect the black wires together. Lastly connect the blue wires together or the blue wire to the black wire for lights. Connect the white wires neutral wires from your fan and ceiling together. Without connecting the blue wire on your ceiling fan to a power source you will not be able to control your lights. Another important wire is usually a green one which is used to ground all the systems of the ceiling fan. More about the blue ceiling fan wire.
The black wire is usually reserved for fan power only and does not extend over to your light kit. The ceiling fan motor does not have a ground wire.
Gallery of Blue Ceiling Fan Wire
