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Amazon.com: Grounded USA Plug Converts European/German Schuko Plug to American Outlets (Europe to USA/PG-13) : Tools & Home Improvement
Can we use a grounded plug with an ungrounded socket, and can we use an ungrounded plug with a grounded socket? - Quora
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GE Grounded Power Switch, Outlet Extender, 3-Prong, Easy to Install, for Indoor Lights and Small Appliances, Energy Efficient Adapter, Space Saving Design, UL Listed, White, 25511 - Amazon.com
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2 Prong to 3 Prong Grounded Outlet Converter Adapter with Polarized Plug - White | 4 Pack - Walmart.com
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