A bathroom extractor fan is essential to clear the room of humidity and prevent damp. But the majority of fans are wired to work only alongside the bathroom light, which can be really wasteful. The solution? Rewiring your bathroom circuit to allow fan and light to be operated independently.
A basic wiring plan for a bathroom includes a 20-amp, GFCI-protected circuit for the receptacles and a 15-amp general lighting circuit for the switches, light fixtures, and vent fan. In some areas, the lighting and receptacles must be on separate circuits so that if a receptacle trips the circuit breaker, the lights won't go out.
Installing and Wiring a Bath Exhaust Fan and Light Electrical Question: After my bathroom addition was rough wired and before the insulation was done I decided to add a ceiling fan and light to be controlled with separate switches in place of a simple light fixture. Removing Existing Wiring I removed the 2 wire with ground from the switch to fixture and replaced it with a 3 wire with a ground
Switched lines and neutral connect to a 3-wire cable that travels to the light/fan outlet box in the ceiling. The fan control switch usually connects to the black wire and the light kit switch to the red wire of the 3-way cable. In this diagram, the black wire of the ceiling fan is for the fan, and the blue wire is for the light kit.
Switch Wiring for Bath Fan and Light Electrical Question: I have a new bathroom exhaust fan heater light to install in place of an old one and wire the switches. I also had a fan heater light. The new fan is a Nutone QTXN110HL. The Wall switch box and wiring are already installed and worked with old fan.
How to Wire a Bath Fan and Light with Two Individual Switches Wiring 3 switches for a bathroom Separate Switches for Bath Fan and Light from Single Switch in a 1960's House