A light switch is the simplest of electrical devices. Flip the switch, electricity flows. Flip it again, electricity stops.

In this video, learn how to upgrade your light fixtures in a poorly lit room without attic access or insulation concerns. As ...

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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 ...