Black wire is for the fan.
Light fan combo wiring.
Blue wire is for the light if light is included with the fan.
When it is used to carry current it.
Green wire is for the ground.
Before you begin make sure all electrical circuit breakers related to the wiring are turned off.
Red wire is sometimes included and acts as a conductor to carry power to the light kit.
I have a junction box in an old house that was used to power a bathroom light.
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.
I would like to swap the light for a light fan combo.
The wire colors in a basic fan light kit are typically black blue white and green.
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 switch box.
How do i wire the switches for my bath fan and light.
Usually the hot wire to the fan in a fan light combination kit is black while the blue wire is usually for light.
The black wire is usually the hot for the fan and the blue wire is the hot for the light.
I have a junction box in an old house that was used to power a bathroom light.
Wiring a bath fan combo electrical question.
How to install wiring for a bathroom exhaust fan bathroom exhaust fan heater electrical wiring the white neutral wires would be tied together at the wall switch box.
The white wire is the neutral for the fixture and the green is the ground.
The white wire can also be used to carry current if needed.
Understand that this is a typical wiring scenario however the actual wiring connections may be different for your specific unit.