Below, I’ll show you the most common way to wire a 3-way switch. It’s what most electricians use today, because it’s easy and saves money. Here’s how it works: Power comes into the first ...

Here's how to swap outdated 3-way light switches for something much better. ... Be careful not to dislodge any wires from the switch terminals ... If your wiring matches my description (diagram 1) ...

Next, refer to the switch-wiring photo you took earlier to connect the existing wires to the new switch. Here’s how a single-pole switch is typically wired: The electrical box usually has two ...

If you do have this wire, Donnelly says to attach it to the green screw, which will be on your light switch. Step 5: Replace the switch plate Use a screwdriver to place the switch plate back on ...