On A 3-way, there’s an extra terminal, known as the “widespread.” Power is available in on the switch on the popular, then two “traveler” wires connect the main switch to the next around the brass terminals. Some smart switches have a dimmer operate, so you can adjust the extent in https://smartpowerpointsandswitch20740.blogdon.net/the-greatest-guide-to-smart-power-point-50800096