Effective electrical wall outlets are an essential part of any home ... From talking fridges to iPhones, our experts are here to help make the world a little less complicated.

Effective electrical wall outlets are an essential part of any home, but their low profile means that they're often overlooked, leading to potential safety hazards. They also don't last forever.

A metal pin is now present in nearly every electrical outlet. But do you know why it is there? Below, we explain its ...