2 remove old switch and inspect. Web in building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location. To do this, just connect.
How To Wire Your Zooz Switch In A 3Way Configuration Zooz 3 Way
Turn off the correct circuit at your electrical panel.
Connect Live (Or A Hot Wire) To The Common (Or Black) Terminal Of The First Switch.
The first step is the most important: