VIDEO: WHY DO SOME PLUGS HAVE 2 PRONGS, AND OTHER HAVE 3 PRONGS?

Ever looked at your power plugs and wondered why some cables have 3 prongs, and others have 2?

Surely, seeing as most power plugs perform the same function, they should look the same too?

Well, as it turns out, the difference between a 2 prong power plug and a 3 prong power plug all boils down to your personal safety!

Here's why...