The fear of being zapped into next week—or beyond—keeps even some intrepid do-it-yourselfers away from electrical work. Generally speaking, that's wise, because messing with electricity can be lethal.

There are as many varieties of smart light switches (and dimmers) as there are light bulbs, and while the prospect of upgrading your old dumb switch might seem daunting, they’re usually pretty simple ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Liam McCabe I made no fewer than five mistakes trying to install a smart ...