Have you ever noticed an electrical outlet where the round grounding hole is on top instead of underneath?
At first glance, it looks like someone simply installed the outlet upside down. But there can actually be a practical reason for this unusual orientation.
It Isn’t Necessarily Installed Wrong
The familiar arrangement has the two straight slots at the top and the grounding opening at the bottom.
However, there isn’t a universal requirement that a standard receptacle must be installed in that particular orientation. In the United States, the National Electrical
