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What would happen if I plugged a wall socket into itself, using a three-pronged cord with two male plugs at either end? - Quora
Is it safe to plug an appliance with a three-prong plug into an extension cord with two slot sockets? - Quora
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Tripp Lite Piggyback Power Extension Cord Lead Cable, 13A, 16AWG (NEMA 5-15P/R to IEC-320-C13), 1.83 m (6-ft.) - Critical Power Supplies
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LENCENT 2 Prong Power Strip, 3 to 2 Prong Outlet Adapter, Two Prong Surge Protector, 6ft Braided Extension Cord with Thin Flat Polarized Plug, 6 AC&4 USB(1 Type-C), Wall Mount for Non-Grounded
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