How to Wire a Bathroom Fan to an Existing Light

  1. Shut Off the Power. …
  2. Remove the Light. …
  3. Remove the Wire Connectors. …
  4. Run a Cable to the Housing Box. …
  5. Wire the Cable to the Fan. …
  6. Use a Wire Stripper to Remove the Cable’s Outer Sheath. …
  7. Attach the Black, White and Neutral Wires. …
  8. Restore the Power.

Can you put a bathroom fan and light on the same switch?

It is not a bad idea to connect the bathroom fan and light in your home on the same switch. It is safe to operate both at the same time. Running the fan in the bathroom is one of the best ways to prevent mold from growing in your bathroom. Mold in the bathroom is a result of the condensation of hot water.

Can you wire a fan and light switch together?

Connecting a Light and Fan to a New Switch



Connect the white wires together in the same way, then repeat with the ground wires. When you splice ground wires, you don’t have to cap them, but it’s still a good idea to do so because the cap helps keep them together. Mount the fan and light and move to the switch box.

Does a bathroom fan need to be on its own circuit?

Bathroom Circuits



If the vent fan has a built-in heater, it must have its own 20-amp circuit. This is called a “dedicated” circuit because it serves only one appliance or fixture. Heat lamps, wall heaters, and other built-in heating appliances may also require dedicated circuits.

Does a bathroom fan need a special switch?

Most bathroom fan units require a special type of switch that has multiple switches built into it which will enable separate control for the various bathroom fan functions. These switches are designed for one circuit or power source only.

How do you wire a bathroom fan and light on separate switches?


Quote from Youtube video: But these are both on the same circuit so we leave the tab. And you just put the black wire to one of the two black common terminals on the other.

How do you wire a bathroom extractor fan to a light switch?

Quote from the video:
Quote from Youtube video: So the life goes from the loop. Around. Then you length the cable to your light switch – which is turned on the neutral cable is used to provide a live current back to the line.

How do you wire a fan switch to a light switch?

Quote from the video:
Quote from Youtube video: So it doesn't matter which one you hook it to this one or this one it'll it'll work either way on the other side we have two bronze terminals.

Can I connect red and black wires together?

These wires are typically used for switch wiring as well as the interconnection between smoke detectors hard-wired into the power system. You can link two red wires together, or you can link a red wire to a black wire. Since red wires conduct current, they are considered hot.

What does the red wire mean when installing a ceiling fan?

A red wire up in the ceiling fan junction box usually indicates that the wiring has been installed which provides separate switch for the light and a separate switch for the fan motor. If your ceiling fan does not have a light fixture, then simply cap off the red wire and attach the fan motor to the black wire.

Does a bathroom fan need a 20 Amp switch?

Yes, if you have a 20A circuit for a 20A load, then you need a 20A switch. You can’t put a 15A switch in there for the same reason you can’t use 14 gauge wire – the conductor is to small, leading to a fire hazard.

How do you wire a ceiling fan with two switches?

Quote from the video:
Quote from Youtube video: Box the white neutral wire coming from the circuit breaker connects to all my other neutral wires. And the bare copper wire connects to all my other green or bare copper ground wires.

Can two switches control one ceiling fan?

Wire Your Fan



A single wall switch controls the power to the fan and light together, whereas a dual wall switch has two separate switches – one for the fan and the other for the light.

How do you wire a ceiling fan with a remote and one wall switch?

Quote from the video:
Quote from Youtube video: Light box you're going to take the wires hook to your ceiling fan and the wires for your wireless remote and each one is labeled according to where it goes.