Wiring A Bathroom Fan Light Combo

The source neutral and ground are spliced through to the fan location.

Wiring a bathroom fan light combo.

Electrical wiring for a bath light fan combo i have a junction box in an old house that was used to power a bathroom light. If the 12 3 has been installed between the wall switch and the combo unit then because this combo unit has three. Connect the green wire to your household ground wire copper bare wire. The source hot wire is spliced to the black fan wire to hardwire it directly to the circuit and to a pigtail connecting the switch.

The wiring could then be. The wiring is very weird. Connect the red wire to one switch terminal and the black wire to the other terminal. Connect the white wires the ground wires the black wires and the red wires together.

These three in one fixtures work best when wired to a three function switch box allowing for individual control of the unit s functions from a single point. For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire connectors. Inside the box you ll need to separate the wires to see which feed the fan and which feed the light. The easiest place to pick up the power to supply the switches will be the bathroom wall receptacle circuit.

Connect power to both switches through two pigtails spliced to the feed wire. Three of the. I would like to swap the light for a light fan combo. In order for the light to be controlled by its own switch the wiring between the switch and the fan unit needs a fourth wire a red wire to carry power to the light kit.

How to install wiring for a bathroom exhaust fan if the power source is at the wall switch then the commons or neutrals tie together and are not switched. The junction box of the original light has two romex cables coming into each side. Combination light heater and fan units can be incredibly handy in smaller bathrooms and other home areas that lack heating and cooling vents. There are no code requirements for switch mounting height but 52 to 54 inches to the center of the box from the floor.