![]() 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. With this arrangement, the fan and light are turned off and on with the wall switch and the fan speeds are controlled with the builtin pull-chain on the fixture.What You Need To Know About Wiring A Double Switch Bathroom Fan And Light The source ground is spliced through to the ceiling box and connected to the green ground wire on the fan and to any grounding terminal found there. The source neutral is spliced through to the white wire on the fan. At the ceiling location, it's spliced to the black and blue wires from the fan and light. The black wire running to the ceiling box is connected to the other terminal on the switch. Here the hot source is connected directly to the switch and 2-wire cable runs from there to the ceiling fan. Use this wiring when the power source originates at the wall box and you want to control both the fan and light with a single switch. With this arrangement, power to the fan is controlled with a builtin pull-chain on the motor housing and the light is controlled with the wall switch. The red wire on the 3-wire cable is connected to the switch and at the fan, it's spliced with the blue wire to the light. ![]() 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 source neutral and ground are spliced through to the fan location. In this wiring, the source is at the switch and 3-wire cable runs from there to the fan and light. Wiring a Fan and Light to a Single Switch
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