NOTE: Your junction box may have a third wire, known as the ground wire. It’s always green or copper colored. If you do have this wire, Donnelly says to attach it to the green screw, which will ...

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 ...

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 ...

My house was built in the 50s, with wiring from that time period. I'm trying to understand how to connect a modern switch up in the place of an existing old one and it just isn't making sense to ...

Before setting up your smart light switch, read the entire instruction manual to make sure you understand its wiring and function. Designs vary, so don’t worry if they look very different from a ...

Make sure you understand how light switch wiring works, what color wires do what, and how to switch the mains power on and off at the fuse box. 2. Remove the existing switch ...

No matter which switch you flip, the light responds. You may find other configurations in your home. Hire a pro to diagnose anything you're unsure about, but here's how to wire a 3-way switch with ...