The US uses two standard electrical plug types: Plug Type A and Plug Type B. Both have two parallel pins for power, while the latter has an additional grounding pin for safety. But if you look closely ...

Is it there for aesthetic value or something more? If you live in the U.S., you're familiar with the holes in the prongs of electrical plugs. Many, if not most, American plugs have them. So what ...

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 ...