How to Wire a 2 Speed Whole House Fan | Home Guides | SF Gate Flip off the circuit breaker controlling the room or hallway containing the whole-house fan. Test the Check the wall near the ceiling with a stud finder to find an area not near a joist, ideally above an Remove the retaining screw and pull the cover plate off the existing outlet. Remove the two screws Slit 6 inches of the plastic cover at each end of the cable and cut off the cover. Strip the insulation See all full list on homeguideste Whole House Fan Variable Speed Switch Wiring - Electrical Aug 10, 2014The previous whole house fan switch had 3 wires (2 black and 1 red). The red wire was attached to the ceiling light switch where the white wire house lead was screwed to it. The new switch only has 2 wires (both black). How do I wire the new variable speed fan switch?
Related with whole house fan wiring variable speed control