How To Wire A Bathroom Exhaust Fan An Existing Light Switch

Exhaust fans are an essential part of any bathroom, as they help to remove moisture and odors. If you're looking to install an exhaust fan in your bathroom, you can either wire it to an existing light switch or install a new one. Wiring an exhaust fan to an existing light switch is a relatively simple project that can be completed in a few hours.

Before you begin, you'll need to gather a few supplies, including:

Exhaust fan
Electrical wire
Wire nuts
Screwdriver
Drill
Safety glasses

Once you have your supplies, you can begin the wiring process. First, turn off the power to the light switch at the circuit breaker. Next, remove the faceplate from the light switch and disconnect the wires. Be sure to note which wire is connected to which terminal on the switch.

Next, connect the black wire from the exhaust fan to the black wire from the light switch. Connect the white wire from the exhaust fan to the white wire from the light switch. Finally, connect the green wire from the exhaust fan to the ground wire (usually green or bare copper) from the light switch.

Once you have connected all of the wires, secure them with wire nuts. Tuck the wires back into the electrical box and replace the faceplate on the light switch.

Finally, turn on the power to the light switch and test the exhaust fan. The fan should turn on when the light switch is turned on.

Wiring an exhaust fan to an existing light switch is a simple project that can be completed in a few hours. By following these steps, you can ensure that your exhaust fan is properly installed and working correctly.