Ceiling fan capacitor connection internal wiring of a fan. Without connecting the blue wire on your ceiling fan to a power source you will not be able to control your lights.

Red Black White Blue What Each Ceiling Fan Wire Means
What is the blue wire on a ceiling fan. Wiring connections for this scenario ceiling electrical box wires ceiling fan wire black to black ceiling fan motor. Ceiling fan wire color code. The blue wire on a ceiling fan is to control the power running to the light kit. White wire is neutral. What is the blue wire on a ceiling fan. Take a look at ceiling fan capacitor connection wiring this color is not the same for all fan manufacturing company.
It is the neutral wire. The blue wire is for the ceiling fan light fixture. You can also have others with five or six wires depending on the task it is to perform. Therefore we have the method to determine it with a digital multi meter. Blue wire is for the light if light is included with the fan. The four ceiling fan wire colors and their functions include.
Green wire is for the ground. Look the capacitor connection how the color of wire is used in fans output. Black wire is for the fan. Find the short green wire or the green ground screw on your ceiling fan hanging. Some of the most advanced ceiling fans today come with up to four wires. The ceiling fan motor does not have a ground wire.
The black wire is usually reserved for fan power only and does not extend over to your light kit. The blue wire is the hot wire for the ceiling fan light fixture.