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2 Pack ETL Listed 3 Prong to 2 Prong Adapter, JACKYLED Polarized Grounding Converter 3-Prong Adapter Converter Fireproof Material 392℉ Resistant Heavy Duty for Wall Outlets, Electrical, Household - Amazon.com
For electric plugs, why do European-style two-pronged circular ones have at least two different standard diameters, making them incompatible? - Quora
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2 Prong Electrical Plug Black Polarized Male Plug Connector Top Quality Supplies for DIY Lighting, Lamps, Pendants, Rewiring - Etsy
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ELEGRP 2 Prong to 3 Prong Outlet Extender, with 2 Type A USB Wall Charger, Plug Adapter (White, 1-Pack) EA01AAG-0101 - The Home Depot
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Cable Matters (3-Pack) Polarized Grounding Adapter in Grey (Allows A 2-prong Outlet To Accept 3-prong Plugs) - Walmart.com
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