TechEngadget2h ago
The reason most electrical plug prongs have holes in them
TL;DRHoles in plug prongs help manufacturers mold plastic around them during production.
Why it matters: Understanding design choices demystifies everyday objects and shows engineering pragmatism over conspiracy.
If you've ever looked at the end of a plug, you've probably wondered why some have holes, and some don't - and no, it's not actually a big conspiracy theory.
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