Installing an attic fan step 1.
Attic fan wiring installation.
Attach the black wire to the top brass screw on the switch.
Drill a pilot hole through the roof where you want your fan to go.
Installing an attic fan on a roof 1.
Locate an existing circuit close to the fan s location.
Test the wires in the junction box to determine if it contains a continuous circuit.
It is critical to install the fan in such a way as to seal openings and leaks around the fan itself.
Wiring powered attic fans is usually as simple as running power from the existing attic light fixture.
Turn off the electricity in your attic.
Turn off the power to the circuit.
Use the main fuse box or circuit breaker box to shut it off.
Attach the ground wire to the ground screw on the switch.
Draw a circle on the roof matching.
Installing the shutter center the front of the automatic shutter over the vent hole make sure the shutter s.
Install wire to the fan from the switch box.
If you need to create a new hole for the fan the wiring may actually be the easiest part.
Attic lights ceiling lights and attic junction boxes are.
At the switch connect the white wires together.
Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove.
Installing power attic fans.
How to wire a attic fan 1.
Installing the fan on a plywood mounting panel is a good idea because it keeps the fan blades away from the wall and it enables you to center and secure the assembly with little concern for the underlying framing.