Rewire 3 Way Switch. The feed goes to the device (light, fan, whatever) and the hot wire is "interrupted". Three-way wall switches control a light fixture from two locations in a room.
This video also shows the details of using with Tasmota for local MQTT control with Home Assistant. So, to turn the light on, she carefully negotiates the stairs to the top, and flips on the switch. FREE COURSE learn how three way switch circuits work.
Follow Dominick as he shows you step by step how to get it right.
A three-way switch is built and.
Instead of pulling new wires or ripping through walls, just use this kit that relies on radio frequency (RF) transmission to turn on and off a ceiling light. main floor stairway: old KT with a single-pole switch second floor stairway: new wiring with a two-way switch (power at light). Three-way light switches control a light from two locations, such as from both ends of a staircase or hallway. De-energize the circuit and rewire the first box correctly.