One of the often-ignored pieces of modern technology is powered receptacles (outlets), which are used daily to run a variety of devices and appliances. Electrical plug types come in a wide range of ...

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 ...

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 ...

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.