close up of Type A plug prongs - Gabriel Lopez/Shutterstock If you've ever stared at the holes in an electrical plug and wondered why they exist, you're not alone. Like an industrial-age kōan, the ...

Is it there for aesthetic value or something more? If you live in the U.S., you're familiar with the holes in the prongs of electrical plugs. Many, if not most, American plugs have them. So what ...

If you've ever travelled overseas, then you're likely already familiar with how many different types of electrical plugs and outlets there are. In the US, the sockets are usually two thin vertical ...

While GFCI outlets are commonly used in homes for safety reasons, there are some things you should still never plug into them ...