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 ...

If you've ever looked closely at an electrical plug, you've likely noticed that the ends of the prongs have little holes in them. While this is a leftover design element from early electrical systems, ...

Do you want to add an outlet to your home but you’re worried that you might be unable to cut a hole in the wall? Fear not, because Doug Cornwell, the chief operating officer of Alure Home Improvements ...

Plugs where one blade is wider than the other can be annoying, but they'll also keep you a lot safer. Here's why they're like ...

You've probably never given much thought to your electrical outlets, but apparently the folks at Legrand think that those always-exposed holes are kinda ugly. That's why they created the chic-looking ...

Add Yahoo as a preferred source to see more of our stories on Google. If you've ever looked closely at an electrical plug, you've likely noticed that the ends of the prongs have little holes in them.