Usually the hot wire to the fan in a fan light combination kit is black while the blue wire is usually for light.
Fan light combo switch wiring.
Every wire connected to a switch are hot wires.
Switch the breaker off to cut off power to the appliance s circuit.
To do this method the wire from your wall circuit to your light has to have 3 wires.
Wiring a combination bathroom ceiling exhaust fan and light unit with the fan and light being controlled by separate wall switches is an easy project even for a beginner.
Then the white wire is the neutral which is connected to source neutral at the source or with the use of a splice in.
The neutral wires and ground wires are not connected to the switch.
The white neutral wires would be tied together at the wall switch box.
Your power supply line the black wire should be feeding both switches and those switches power the fan black or the light blue.
Combination light heater and fan units can be incredibly handy in smaller bathrooms and other home areas that lack heating and cooling vents.
Verify that the electricity is completely shut down.
Wire the source ground to the ground wires for the switch and the fan.
Locate the fan and light s circuit breaker at the main electrical panel.
The wiring diagram above is for typical installation wiring light is switched the fan is powered by a pull chain once you have found and identified all of the wires on your fan and in your electrical box you can get to work on connecting them.
The wiring could then be where the black wire of the 12 2 could be for the heater function which would be controlled by the timer switch and the 12 3 could be wired so the black wire is for the light and the red wire is for the exhaust fan.
These three in one fixtures work best when wired to a three function switch box allowing for individual control of the unit s functions from a single point.
Ceiling fan connection light wired to light switch fan on off with pull chain.
Connect the blue wire to the red wire.