seeing at home.
In some situations, the orientation may be deliberately selected based on the equipment being connected, the type of plug, or the facility’s electrical practices.
That’s why you shouldn’t assume that a ground-up receptacle was simply installed by someone who didn’t know what they were doing.
Sometimes it was intentional.
What About Plugs With a Metal Grounding Pin?
Here’s where the orientation can become particularly interesting.
Consider a plug with three prongs.
The third prong is the grounding connection.
If the plug is partially pulled out, the physical
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