Even if your home wasn't exactly built "smart," it is still possible to add HomeKit light switches without a neutral wire. Here's how.

The best way to get electrical power right where you need it is to run underground 'line' voltage (120-volt household current). Running electrical wire ... a light and receptacle at the edge of a ...

If you know the steps, installing a smart light switch is a relatively painless process. Check out our complete guide on how to install a smart light switch.

Below, Donnelly tells AD how to wire a light switch with this simple step-by-step process for a single-pole light switch without zapping yourself along the way.