This is an important safety step and not being careful can risk electric shocks. The electrical wiring for separate switching of the bathroom exhaust fan and the light fixture will require identifying the existing circuit and existing switch wiring.
How To Wire 4 Function Switch
How to separate bathroom fan and light switch. Connect two of the black. Turn off the circuit breaker controlling the bathroom you plan to work on. Next remove the wires and track which are going into the fan section. The key factor is to understand where the power source enters the circuit. Flip the light switch on and off to test preliminarily that the circuit is off. Locate the switch cable which must be glued through the top or side of the box that serves the fan or the light.
Black should be the fan and red should be the light. Take the switch out of the wall box and check again that the power is truly off. Using wire strippers strip an inch of insulation from the end of the black and white wires. Bathroom fan with a light how to replace a double light switch how to install a bathroom fan with how to add a light bathroom fan to an existing light wiring a bathroom extractor fan with an isolator switchreplacing a bathroom light fan switch connections diynot forumshow to wire a 3 pole isolator switch diynot. First youll need to turn off the circuit that delivers power to your fan and light. Connect the two white wires in the switch box together with a wire nut.
Connect the black fan cable together with the black light wire and the black switch wire and cover them. The black passes thru that box and goes to the fan. The three wire cable comes from the switches. Locate the switch cable which should be sticking through the top or side of the box serving the fan or light. The power source will either enter at the switch box or up at the light fixture or the exhaust fan. 2 mount a ladder or stepladder and remove.
Splice the black wire from the fan together with the black wire from the light and the black wire from the switch and cap them. Using wire strippers peel an inch of insulation from the end of the black and white wires. We havent heard if red and white were tried at the light box because it sure looks like the switch is getting power which means red should also be getting power. Attach the red and black wires from the fan light unit to the top terminal screws on the switches. So if there is a separate fan.
Gallery of How To Separate Bathroom Fan And Light Switch
