In the past, smart switch users in older homes that lack neutral wiring had to cough up the cash for a wireless hub to make their switches work, but C by GE recently announced new—and hubless—smart ...

Sure, you can install some brands of smart switches in a junction box that doesn’t have a neutral wire, but until now, you’d also need a hub to make the smart switch work. That’s about to change ...

This article discusses many common misunderstandings about the function of the neutral wire and its relation to power problems. The subjects of dedicated lines, phase reversal, isolation transformers, ...