Attic Fan Wiring Installation

Draw a circle on the roof matching.

Attic fan wiring installation. Drill a pilot hole through the roof where you want your fan to go. Cut a piece of plywood to a size that will accommodate the attic framing that surrounds the vent hole. Use the main fuse box or circuit breaker box to shut it off. At the switch connect the white wires together.

That way you ll be able to tell where to cut out. Turn off the power to the circuit. Locate an existing circuit close to the fan s location. Attic lights ceiling lights and attic junction boxes are.

Attach the ground wire to the ground screw on the switch. Installing power attic fans. 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. Install wire to the fan from the switch box.

Attach the black wire to the top brass screw on the switch. If you need to create a new hole for the fan the wiring may actually be the easiest part. 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.

How to wire a attic fan 1. 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. Installing an attic fan step 1.

Installing the shutter if the existing gable vent is smaller than the diameter of the fan you ll need to remove.