The compact form and varied functions make them perfect for use with a three function switch box but you ll need to be careful installing the system.
Wiring a vent fan with light.
Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical.
If you have one of these you may have fastened the fan and light to separate the switches.
A bathroom extractor fan is essential to clear the room of humidity and prevent damp.
Rewiring your bathroom circuit to allow fan and light to be operated independently.
If the fan has a pair of black wires and a pair of white ones you can wire the light separately from the fan.
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Now they would like to operate both of the same switch.
If you choose to do this pull 3 conductor cable with a white black red and bare wire.