Use the hammer and staples to secure the cable to the joists at 12 inch intervals.
Attic wiring red hot.
Insert the end of the 12 2 wire into the fans junction box.
Connect the green wire to your household ground wire copper bare wire.
If you come across a wire or romex cable that nee.
Connect your white wires together and secure with wire nut.
Once you are running the wire feed both ends of the wire through their corresponding holes and climb down from the attic.
Strip away about 6 inches of outer insulation and 1 2 inch of individual insulation from the end of each wire.
Wire nuts that are too big will not sufficiently grip the wire and will fall off.
Convection is the characteristic that makes hot air rise and cool air sink and it is at this point where a good ventilation system comes into play.
Leave enough cable at each end to work with.
There should be no excess wire or ends left in the attic.
If the wires are buried in attic insulation pass over light fixtures or worst of all are arranged in tight bundles they get even hotter than if they re out in the open air.
Staple the cable within 8 inches of both the attic light box and the thermostat box.
Use wire nuts to connect.
Run nm cable from the attic fan thermostat to the attic light.
Once the air in the attic has become hot another thermodynamic process called convection occurs.
Use the appropriate size of wire nut for the wire.
Wires so hot you can t touch them aren t good.
Wire nuts that are too small may initially feel like they are on the wire but they too may fall off.