Tap the button in the app. Select Smart Switches
then . Then follow the app Smart 3-Way Dimmer
instructions to set up your smart dimmer.
Get the app from the App Store or Kasa Smart
Label the wires in the two wallboxes.Traveler
Disconnect all wires from the two dumb switches, and connect them to the Smart 3-Way Dimmer as below.
Wire Your 3-Way DimmerBefore You Start
Turn o the circuit breaker Then remove . the two
wallplates. Your dumb switches might look like this.
Line (Live/Hot): Usually black. One end is connected to the circuit
breaker, the other to your 3-Way switch. FIRST
Load: Usually black. One end is connected to the light xture, the
other to your 3-Way switch. SECOND
Travelers: Usually one is black and the other is red.
Neutral: Usually a bundle of white wires, not connected to the dumb
switch. They may be folded up in the very back.
Ground: Usually green or copper.
(Opposite each other with
(Black. Line and Load wires
3) Label the other wire in the other wallbox as the Load wire.
This is the wallbox for the satellite dimmer.
Identify the wires in the two wallboxes.Line and Load
1) the circuit breaker. Use a voltage detector to identify Turn on
the energized wire ( ). Line wire
2) the circuit breaker and label the wire. This is the Turn o Line
wallbox for the main dimmer.
Take care to avoid electric shocks.
Label the wire in the wallbox for the main Neutral
dimmer, and the wires in both wallboxes.Ground
Disconnect the wires from the two Line/Load
switches, then cover them with the provided wire
Power Source To Light Bulbs
This means the wires are incorrectly connected. Please check the wiring. We recommend consulting an electrician.
1. Method of mounting: Independently mounted (Vertically
2. High Voltage - Disconnect power supply before servicing.
The wire colors used in this guide are recommended
by the National Electric Code (NEC). Your actual wire
The main and satellite dimmers cannot work
separately or with traditional 3-way switches.
The main and satellite dimmers are dierent and
should be installed in the correct wallboxes.
You can always nd detailed wiring instructions in the
What should I do if the main dimmer LED blinks red quickly after installation?
Note: No need to distinguish between the two traveler wires.
