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 answer is anything but straightforward. A quick search will ...

Have you ever wondered what the holes in electrical prongs are for? Well, some knowledgeable experts have the answer. Type A and Type B electrical plugs are the two standard varieties used in the US.

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 is the bane of worldwide travel: there isn’t just one way to get AC power from the wall. The exact connector — and what you can expect when you plug in — differs from country to country. Even if ...

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, ...