That way you ll be able to tell where to cut out.
Attic fan wiring installation.
Wiring powered attic fans is usually as simple as running power from the existing attic light fixture.
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.
Installing an attic fan on a roof 1.
Locate an existing circuit close to the fan s location.
How to wire a attic fan 1.
Use the voltage meter by.
Cut a piece of plywood to a size that will accommodate the attic framing that surrounds the vent hole.
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.
Test the wires in the junction box to determine if it contains a continuous circuit.
Attach the black wire to the top brass screw on the switch.
Installing an attic fan step 1.
Attach the ground wire to the ground screw on the switch.
It is critical to install the fan in such a way as to seal openings and leaks around the fan itself.
Turn off the electricity in your attic.
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.
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.
Installing power attic fans.
Drill a pilot hole through the roof where you want your fan to go.