However, when it is time to replace your spark plugs, you can't use just any tool to complete the job — you'll need a special device known as a spark plug socket. While most spark plugs require ...

(D-SUBminiature connectors) A family of plugs and sockets widely used in communications and on earlier PCs. For example, the analog VGA monitor interface uses a D-sub 15-pin plug and socket.

We take our mains plugs and sockets for granted as part of the everyday background of our lives, but have we ever considered them in detail? Their various features, and their astonishing 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.

A reversible 8-pin plug and socket for Apple mobile devices (the ... Lightning superseded the 30-pin dock connector that dates back to 2001. The 30-pin cables and docks were adapted or updated.

In a nutshell, plugs and sockets differ from region to region and even country to country because, at the time they were being developed, no one really saw any reason to make them all the same.