In this video, I’ll show you how to wire up a light switch, whether it’s got 3 wires, 4 wires, or you’re adding a switch to a new construction. I’ll also cover wiring a light switch and ...

Each of the two brass screws can accept the power or the switch leg (separately, of course!). Because smart switches use a neutral wire and a hot wire, they can be wired backward. Three-way and ...