If you will need to fish wiring through a wall drill a hole through the wood plate in the attic only.
Attic fan wires.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.
Diy attic fan wiring fan installation guide for attics gable vents http youtu be u1pjbloc n4 how to install an attic fan.
The process of wiring an attic fan involves the power source and switch location wiring connections to the switch and wiring connections to the fan.
Location of power supply and switch.
Step 8 install the thermostat box cover and use the screwdriver to set the thermostat so that the fan will kick on when the attic reaches 105 degrees.
Here are 3 tips to help.
Quietcool attic fans work almost everywhere almost anytime.
To do this method the wire from your wall circuit to your light has to have 3 wires.
Split the incoming hot wire into a y and connect it to a terminal on each switch.
Connect the black wire coming from the light fixture to.
When cutting through drywall from the interior of a room use a utility knife and cut carefully you don t want to drill through a hidden wire or the paper.
Connect black fan wire to the black ceiling wire.
Connect white wires together.
Wiring the fan how you wire your attic fan will depend on local codes and whether you can find an attic circuit with enough reserve capacity to handle the 3 2 amp fan motor.
And use semi rigid wiring fish tape to pull your wiring down to your outlet location.
Strip away about 3 4 inch of the insulation and use a wire nut to connect all the white wires.
Then run the wiring to your attic fan strip another 8 inches at that end and connect the wire to the thermostat.
How to install an attic fan.
Determine the fan switch location.
Connect the black thermostat wire to the black cable wire the white thermostat wire to the white cable wire and the ground wire to the green ground screw in the box.
Use wire nuts to connect the black wire from the 12 2 wire to the black or red wire in the attic fan the white wire to the white wire in the attic fan and the two ground wires.
Install the switch box and switch.
Find a live receptacle for the power source.