A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops. Lights on, lights off. That's great for a small room with one entrance.

Knowing how to wire a light switch is critical if you are going to tackle the job yourself. Here we show you how to wire up a ...

All products featured on Architectural Digest are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links.

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 me. I ...