It is not necessary to replace both 3-way switches with smart switches. You can use a standard 3-way switch for one of them, BUT there is a caveat. The SMART 3-way switch MUST be the MAIN SWITCH; i.e., the one that connects to the line/live wire from the fuse/breaker box.

Can a 3 way smart switch be used in a 4 way switch?

You cannot use dumb 3-way switches with most smart switches (You must purchase the matching GE add-on switch to wire with your GE smart master switch). If the line is wired into the light fixture, you … JDRoberts: No, you will have to replace all of them with smart switches.

Can Alexa control a 3 way switch?





Works with Traditional 3-Way Switch: Simply replace one of your traditional 3-way wall switches with Lesim smart 3-way switch, then your smart home is set.



Product Specifications.

Controller Type Amazon Alexa , Google Assistant , IFTTT
Mounting Type Wall Mount
Specification Met
Style 3 Way Smart Switch (1 Pack)

How do you hook up a 3 way smart switch?

Connect to WiFi

  1. Connect your phone or tablet to the same WiFi system that your smart switch will be operating on, and then download the app.
  2. Follow the prompts within the app to set up the full wireless operation of your three-way switch.


Do you need special switches for 3 way?

The key ingredient is a special type of switch called a “three-way” switch. You’ll need two of them, one to replace the existing switch and another for the new switch location. With these, you’ll have the convenience of turning a light on and off from two spots.

Can I use a smart switch on 4 way circuit?





A 4 way smart light switch will work just like a normal 4 way light switch in that you can turn your lighting on or off from multiple locations but it can also be turned off with your phone or by using voice commands with Alexa.

Do they make a 4 way smart switch?

For large rooms, stairways, or hallways, 4-way smart dimmer switches are an ideal way to upgrade your lighting controls. With them, you get voice control, scheduling, remote controls, and more. You can even sync them with motion sensors to gradually bring up or reduce your lighting!

What light switch works best with Alexa?

  • Top Rated. …
  • IntermaticAscend Smart Wi-Fi 15 Amp 7-Day LED, Switch or Timer, No Hub Required, Works with Alexa, Google Assistant, Light Almond. …
  • Top Rated. …
  • HaloWhite Anyplace Smart Bluetooth Dimmer Switch. …
  • LutronCaseta Wireless Smart Lighting Switch for All Bulb Types or Fans, Ivory. …
  • 388. …
  • 137.
  • Can you control light switches with Alexa?

    You don’t need to rewire your home to control your lights by voice with Alexa. You simply need to buy smart LED bulbs that can connect to WiFi or a smart hub that’s compatible with Amazon’s Echo. With Alexa and your voice, you can turn the bulbs on or off.

    How do I add Alexa TreatLife?

    Download Amazon “Alexa” app from Amazon Market, Google Play or iOS App Store, and connect Echo with “Alexa” app; (6). Search the Alexa Skills directory for “TreatLife”; (7). Click Enable skill of “TreatLife”, then input your account username, password and region on the linking page; (8).

    Can you use a single pole switch as a 3-way switch?



    Yes it can work. 3-way switches are spdt (single pole double throw) with 3 screw terminals, and regular switches are spst (single pole single throw) with 2 screw terminals.

    How do you turn a 2 way switch into a 3-way?

    Quote from the video:
    Quote from Youtube video: And just run it all the way down the room. All right so i turned the power off in the main breaker i pulled the faceplate off here. And i've got the wire. Running through the studs.

    Is the red wire common in a 3-way switch?

    Red, Black, and White are the colors of switch wiring for three-ways. Red and Black are connected to the switches if the White is used for neutral. The White is often referred to as Common, but the colored wires are also used as hot wires.

    Can you make a 3-way switch with 2 wires?



    Question: Can I use a 3-way switch with just two wires? Answer: No. There must be three wires between the two switches. You CAN use the switch with only two wires, but it will act as a regular switch, not a three-way switch.

    How do I know which wire is common on a 3-way switch?

    Quote from the video:
    Quote from Youtube video: If no house current is found on any of the three wires. Go to the other switch. And do the same thing one of the wires will have house current and that wire is the hot wire mark.

    What is the black screw on a 3-way switch?

    Black screw terminal: The black (or darkest in color) screw attaches to the black common wire from the 14/2 cable. The terminal may be labeled COM. Green screw terminal: The green screw is the ground terminal. Two ground wires will be found in both switch boxes, one from the 14/2 cable and one from the 14/3 cable.

    Why can’t you mark the on and off positions on a three-way switch?

    A 3-way switch has no “on” or “off” markings because the toggle can turn the light on or off in either position, and this depends on the position of the other switch’s toggle. A 4-way switch also has no “on/off” markings, for the same reason.

    Can red and black wires go 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 is the common screw on a 3-way switch?

    There are three screw terminals on the body of the switch, in addition to the green grounding screw. One screw, known as the common, is a darker color than the others. The other two screws, usually a lighter brass color, are known as the traveler terminals.

    Does a 3 way switch have a neutral?

    The most common wiring requirements of any hardwired automated 3-way light switch is a neutral wire and a traveler.