How does a 3 speed ceiling fan switch work?

With 3-speed motor, Hot voltage connects to main winding at 3 different points. Only 1 point at a time receives power. That’s what the fan switch does. When voltage is applied to each point, the main winding is energized as voltage from Black Hot wire completes circuit with White neutral wire.

What color wires go together for a ceiling fan?

Black wire is for the fan. Blue wire is for the light, if light is included with the fan. White wire is neutral. Green wire is for the ground.

How do you wire a 3 speed fan control?

Quote from the video:
Quote from Youtube video: Using the green wire connected to the ground wires in the back. Now we'll have two wires coming into the switch. One we'll connect it to our power. And then the other.

What does L 1 2 3 mean on a ceiling fan switch?

Position: OFF, High speed=L-1, Medium speed=L-2, Low speed=L-3.

Are all 3 speed ceiling fan switches the same?

Some fans have a switch that only turns the fan on or off, while others have a switch that powers the fan at three different speeds. Each pull of the chain takes the fan up or down a notch in speed before cycling to a stopping point. Replace either type of switch following the same procedure.

How do you wire a ceiling fan with a speed switch?

Quote from the video:
Quote from Youtube video: And these turn on the light on and off. So as you can see here you have two black wire and ground now I have to connect one of the black to the top and one of the block.

How do you install a 3 speed fan wall switch?

Quote from the video:
Quote from Youtube video: All you're going to need is two screwdrivers a flathead and a Phillips. I've got my handy. Works power screwdriver here which is kind of nice because it's got all these different bits in it.

How do you wire a ceiling fan with 3 wires?

Quote from the video:
Quote from Youtube video: First connect the ground wires. Together. Then the white. Now connect the light kits blue wire to the red wire in the ceiling. And the black wire from the fan to the black wire in the ceiling.

What happens inside a 3 way switch?

3-way switches have three terminals, one common (usually black color) and one pair of travelers (usually brass color). With conventional wiring, the common wire from one switch connects to line, the common wire from the other switch connects to the load (lights).

What is the common wire on a 3-way switch?

Black wire: This is a hot wire that carries electricity from the power source to the first switch in a typical 3-way setup. It’s also called the “common wire” or the “line wire.” Unless the breaker is off, this black wire is always hot.

How can I tell which wire is common on a 3-way switch?

Quote from the video:
Quote from Youtube video: And take a tester and see which one of the black wires is a live wire. So this is our live wire this is going to be our common terminal. Now if you try both of these black wires.

How a 3-way switch is wired?

Quote from the video:
Quote from Youtube video: In our example since the switch is in the down position. The current passes to the traveler screw on the left. And will then try to travel along the black traveler wire.

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.

At what terminal of 3 way switch we connect wire going to the load?

The common terminal is the “bridge” between the power supply and the load (typically a light fixture). With this in mind, the wire that attaches to the common terminal is either (1) a hot wire from the main board or (2) leads to the load (fixture).

What do you do with the red wire?

The exact purpose of a red wire for a light fixture can vary. Except in rare cases, it is a hot wire or a switched hot wire. Check the wire with a non-contact voltage tester with the power and switch turned on. If the tester indicates the wire is hot, turn the switch off and retest.

Where does the red wire go when installing a ceiling fan?

Connect the red wire in the ceiling to the black wire in the light kit and the black wire in the ceiling to the black wire in the fan. Tuck the wires back into the box. Turn the power back on and test the fan.

Do I need to connect the red wire on 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.

Which color wires go together?

The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active.

US AC power circuit wiring color codes.

Function Line, 3-phase
label L3
Color, common blue
Color, alternative yellow

What are the wire color codes?

3-Phase Wire Color Codes

  • Phase 1 – Black wire.
  • Phase 2 – Red wire.
  • Phase 3 – Blue wire.
  • Neutral – White wire.
  • Ground – Green, Green with a Yellow Stripe, or Bare Wire.

Which color wire is hot?


Hot wire is identified by its black casing. This is the main color of hot wire for most homes. However, other hot wires can red, blue, or yellow, although these colors can indicate a different function besides powering an outlet.