Ever Wonder Why Electrical Plugs Have Those Tiny Holes?

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 ...

Power plugs are male connectors that are used to distribute power to electrical devices. They connect to electrical receptacles, wall outlets, or sockets and draw current from these female connectors.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. You find yourself in an airport or hotel room in another country, and you really need to charge your phone, camera or game system.

This article about electrical outlets is republished here with permission from The Conversation. This content is shared here because the topic may interest Snopes readers; it does not, however, ...