Why Do Electric Plugs Have Holes? Exploring the History, Functionality, Safety, and Future of Electrical Outlets

Electric plugs with holes are integral to the safe and efficient transfer of electrical current. This article explores the history, functionality, and safety of electric plugs, as well as the different types that exist around the world and the potential for exciting new wireless charging technologies. Whether you’re an electrical engineer or just someone who’s curious about the world around you, there’s a lot to learn from the simple design of the electric plug.

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