neutral slots are different sizes on a polarized receptacle, helping ensure that a polarized plug is inserted in the intended orientation.
The third opening provides the grounding connection for compatible plugs.
So when you see that little U-shaped opening, you’re looking at an important safety feature.
Why Would Someone Put the Ground Hole on Top?
There are several reasons an electrician or facility might choose that orientation.
One of the most commonly discussed reasons involves what happens if a plug partially falls out of the receptacle.
Imagine a heavy plug
There’s more to discover. Continue to the next page for the rest of this article.
