Have you ever noticed how some electrical outlets in your home look slightly different from the rest? Instead of a smooth plate, these outlets feature two small buttons, often colored black and red.

The majority of electrical outlets in your home look more or less the same: two outlets, three holes in slightly different shapes to insert up to three prongs and deliver electricity. Some outlets ...

We may receive a commission on purchases made from links. A surge protector or power strip with a surge protection can "clamp" a spike in electricity before it reaches sensitive devices. There are a ...