Why Some Wall Outlets Are Installed Upside Down

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the bottom.

Once you know what you’re looking at, you may start noticing these outlets everywhere!

So why are some wall outlets upside down? Is one direction safer? Is there actually a “correct” way to install one? And what does that little third hole actually do?

Let’s take a closer look.

First, What Does “Upside Down” Actually Mean?

When most people look at a standard North American electrical receptacle, they’re accustomed to seeing it installed