Depending How They’re Wired, two 12-Volt Batteries Yield a 12-Volt System with Double the Amps, a More Efficient 24-Volt System Twice the Cranking Speed.

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.

To work in junction boxes without neutral wiring, C by GE’s new hubless smart switches and dimmers have been designed to “steal” energy from the wire that goes through the switch.