Look the capacitor connection how the color of wire is used in fan s output.
Wiring ceiling fan with light red wire.
In other words it is the primary connection that provides current from the switch to the fan s electrical load or motor.
Ceiling fan capacitor connection internal wiring of a fan.
The red color on fans is for powering the lights.
Split the incoming hot wire into a y and connect it to a terminal on each switch.
If your ceiling fan does not have a light fixture then simply cap off the red wire and attach the fan motor to the black wire.
Connect the blue wire to the red wire.
Therefore we have the method to determine it with a digital multi meter.
It is a hot wire that comes from the ceiling and hooked up to a wall switch.
Twist all the white wires in the box together and cap them.
You may come across a red wire when wiring a ceiling fan with 4 wires.
Make a pigtail of the ground wire using two 6 inch lengths of bare wire and connect one ground wire to the fan switch and one to the light switch.
Connect black fan wire to the black ceiling wire.
Connect white wires together.
To do this method the wire from your wall circuit to your light has to have 3 wires.
A red wire up in the ceiling fan junction box usually indicates that the wiring has been installed which provides separate switch for the light and a separate switch for the fan motor.
Connect the red wire from the fan to the other terminal on the fan switch and the black wire to the light switch.