The holes on the prongs of your electrical plugs may look random, but there's a clear reason they were created and why they ...
Ever tried to plug in an appliance, only to realize you had the plug backwards on the first try? Modern outlets use this ...
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Why Do Electrical Plugs Have Holes in the Prongs?
Is it there for aesthetic value or something more? If you live in the U.S., you're familiar with the holes in the prongs of electrical plugs. Many, if not most, American plugs have them. So what ...
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