While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...

Wall outlets might not steal the spotlight when it comes to smart home upgrades, but they're more important (and more advanced) than ever. As our homes fill up with devices, from phones and tablets to ...

You find yourself in an airport or hotel room in another country, and you really need to charge your phone, camera or game system. But what is that strange-looking outlet? It has round holes! And ...

It's a common cliche for first-time international travelers to be surprised that foreign countries use different wall outlets, but the amount of diversity in electrical infrastructure is impressive.