![]() The ground wire is usually connected to the cover plate grounding terminal. Step 2 – Remove Old 12/2 Wiring From Bath FanĪt the bath fan housing, remove the wiring cover plate, and disconnect the existing 12/2 wiring that goes into the housing. If there is still power, it will beep or light up (and some do both). We also recommend that you verify the power is off to the exhaust fan by using a non-contact voltage tester.Ī non-contact voltage tester can detect whether there is power by just getting close to the wire or double switch. Step 1 – Turn Off Power at Panel and Verify It's OffĪs with any wiring job, the first step is to turn off the power at the panel box. Secure the Double Switch and Re-install Cover Plate.Connect Hot Wires to the Switch Bronze Terminals.Connect Ground Pigtail To Switch Terminal.Route the New 12/3 Cable to the Double Switch.Push Wiring Into Housing And Secure Cover.Turn Off Power at Panel and Verify It's Off.How To Wire A Bathroom Fan And Light On Separate Switches (13-Step Guide) Electrical Tape - You want to use one or two wraps of standard electrical tape around the wall switch to secure the connections.Fish tape is flexible and will help you route the wiring through the ceiling or wall. Fish Tape - A fish tape set will be highly useful if you need to get a new 12/3 cable from the bath fan to the wall switch.But the easiest way is to use modern quick connects or Wago lever nuts. Wire Nuts - You will need a way to connect the hots, neutrals, and grounds together.Double Toggle Wall Switc h - These double switches will have two toggles so you can separately control the light and fan.12/3 wiring includes two hots (black/red), one neutral (white), and one ground (green/copper). 12/3 Cable - The bathroom fan needs 12/3 wiring from the housing to the switch in order to for it to use two separate switches.Supplies You'll Need To Wire An Exhaust Fan And Light On Separate Switches Read Also > How To Install A Bathroom Fan On The First Floor? There is a risk of electrical shock or even starting a fire if the wiring is done incorrectly.Įlectricians have a lot of tricks and methods for geting new wiring cable through a wall or ceiling that the average homeowner may not know. Your local city or county code will almost certainly require it as well. Use A Licensed Electricianįor most cases, homeowners should call in a licensed electrician to do this job. 12/3 cable includes two hots, one neutral, and one ground. If you just had a normal fan with no light or heater, then you just have 12/2 wiring which includes a single hot, a single neutral, and a ground.īut if you want to wire a fan and light to separate switches, you will need two hots running from the bath fan to the wall switch. Probably the most important thing to know about wiring a bath fan and light on separate switches is that you will need to run a new wiring cable from the bathroom fan to the existing switch. The fan remembers the last setting and when powered goes back to that setting.What You Need To Know About Wiring A Double Switch Bathroom Fan And Light ![]() Important Note: You might need to wire it per the manual first to make sure the light on the fan is turned on from the remote. ![]() Both switches work! I capped off the blue wire from the receiver. And yellow wire from the reciever connects directly to the black wire on the fan. The blue wire from the fan goes directly to the black wire from the ceiling to turn on the light directly from the switch. I finally got around to wiring the fan, and the experts here on stackoverflow were right. I don't like this one because the right switch is a dud after you've wired it. I'm not sure which functions the yellow and blue wires from the receiver, so I'm taking a guess in Diagram #1. Left switch goes directly to the light, the right one powers the fan.ĭiagram 2: Below this is the version the manual says. I would like one of the switches to turn on the light, and the other to provide power for the fan (which I can then use the remote to control).ĭiagram 1: This is my 'hack' attempted at it. The fan is remote operated for both lights and fan speed, however, I have two switches on the wall - one for the fan and one for the light.
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