Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

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 ...

There are four types of electric car charging plugs in North America. Each plug is compatible with different electric vehicles as well as capable of providing a certain amount of power. Just like how ...

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 ...

John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University. In ...

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 ...