Wiring Diagram Bathroom Exhaust Fan. I want to install a new ventilation fan in the bathroom probably a humidistat type as the room is generally cold but i want to be able to isolate the fan ie stop the automatic stat effect if need be. But if you want to make sure everything works properly i recommend hiring an electrician.
Connect the white wires from your exhaust fan to the common white wire in your electrical system. Wall exhaust fans belt direct drive. The connections from light to box are black to red wire white to white wire ground to green wire.
The wiring diagram below shows the wiring setup you need to connect your new timed fan to your existing light circuit ceiling rose so that when the ligh is turned on so is the fan.
It replaces an old standard fan no timer the wiring available is 1 red wire i believe this is live 1 black wire neutral then a bare copper wire. The white wire from the fixture is connected directly to the source neutral wire either at the fixture box or. Connect the white wires from your exhaust fan to the common white wire in your electrical system. Pin on bathroom remodel diy.