they’re full of little design details!
Why Are There Two Vertical Slots?
The two vertical openings correspond to the current-carrying conductors in a standard North American receptacle.
One is the hot connection and the other is the neutral connection.
What’s the Little Round Hole For?
That’s the grounding connection.
The grounding system provides a path intended to help protect against electrical shock under certain fault conditions.
Why Do Some Outlets Have Buttons?
Those are commonly found on GFCI receptacles.
The TEST button checks the protective function, while RESET restores power
There’s more to discover. Continue to the next page for the rest of this article.
