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Amazon.com: Parkworld 886245 RV 50 amp to 110v Adapter Cord, 220v to 110v Adapter Plug NEMA 14-50P Male with Handle to (3) 5-15R Household Tri Outlet Female with Lighted : Tools & Home Improvement
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AC WORKS 50-Amp 125/250-Volt NEMA 4-wire Grounding Heavy-duty Locking Plug, Black in the Plugs & Connectors department at Lowes.com
Sintron Heavy Duty Series - NEMA 10-50P Plug, For Clothes Dryers,Kitch – Sintron Technology