Holes In A Plug~What Are They Really For(Did You Know)

Electrical plugs and outlets are everywhere. From our refrigerators to smart cars and even the device that you’re reading this article on right now (whether it’s currently plugged in or operating via a recently charged battery), we rely on plugs and outlets¬†to power our daily lives. It’s no wonder that according to the U.S. Energy Information Administration, the average American household uses 893 kWh of electricity per month.

Demetra Nikolakakis 

https://www.msn.com/en-us/news/technology/what-are-the-holes-in-a-plug-used-for/ar-AA10XeVj?ocid=msnews