First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says master electrician Allyson Saling with Frontdoor home services app. “Hot or ...

Before you attempt to fix a faulty light switch, make sure you understand the basics of light switch wiring.

Although newer homes have wall switches for most overhead lighting, fixtures in older houses may be controlled by pull chains from the light. Trying to find that pull chain in the dark can be ...