Not all outlet holes are the same, and there's a reason for that. The shapes (vertical slots, round holes, T-slots, etc.) correspond to specific electrical functions and safety features. Take the ...

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 ...

Meltric is a manufacturer of industrial plugs and receptacles, alongside third-party components. The company's whole focus is on creating electrical plugs and receptacles for them to go into. They ...