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. This will allow you to add a light kit later on without having to rewire the fan.
![Ceiling Fan Wiring Diagram Light Switch House Electrical](https://1.bp.blogspot.com/-p0i6dHe7lvM/WMHO3lt1oRI/AAAAAAAAARs/JTEyWqVjtq81LuBPyF3Bq4aJtTK29dvXQCLcB/s1600/2%2Bway%2Blight%2Bswitch%2Bwiring%2Bdiagram%2Bdimmer%2Bfan%2Bspeed%2Bcontroller.jpg)
Ceiling Fan Wiring Diagram Light Switch House Electrical
Blue wire ceiling fan. Lastly connect the blue wires together or the blue wire to the black wire for lights. The black and blue wires are called hot wires because they hold electrical current. The blue wire is the hot wire for the ceiling fan light fixture. Another important wire is usually a green one which is used to ground all the systems of the ceiling fan. Finally connect the red wire from the electrical box to the remaining wire from the ceiling fan. The white wire is your neutral wire the copper wire is the grounded wire and the black wire powers the fan.
If you have a blue and black wire hanging out from your ceiling you should also have 2 switches on your wall. What is the blue wire on a ceiling fan. Ceiling electrical box wires ceiling fan wire. The black wire is usually reserved for fan power only and does not extend over to your light kit. For ceiling fans without lights follow the same step. Some ceiling fans will have a black and white stripe colored wire that is to be used for the light fixture.
This wire is commonly red or blue but almost always has a tag on the wire that reads light. Typically youll see black white blue and green wires inside a ceiling fan. Without connecting the blue wire on your ceiling fan to a power source you will not be able to control your lights. While you should read the instructions on your new fan carefully to be sure the convention is that the black wire is a power supply for the fan the blue wire is a power supply for the light the white wire is neutral and the green wire is a ground. The ceiling fan motor does not have a ground wire. Connect the black wires together.
Connect the green wire to your household ground wire copperbare wire. Connect the white wires neutral wires from your fan and ceiling together. Find the short green wire or the green ground screw on your ceiling fan hanging. Black to black ceiling fan motor black also to blue ceiling fan light white to white shared neutral ground to green ground wire with these wiring connections the ceiling light can be operated from the ceiling fan pull chain or the wall switch. More about the blue ceiling fan wire. The blue wire on a ceiling fan is to control the power running to the light kit.
Blue wire or green wire. 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.