Amazon.com: 3 Prong Extension Cord with Waterproof Switch, HITRENDS Heavy Duty Extension Cord with Inline On/Off Switch, 125V / 250V, SJT 14AWG Extension Cable for Indoor/Outdoor, 40CM[UL Listed] : Tools & Home
Heavy-duty 50A RV extension cord, 100 ft.
Amazon.com: KUNCAN Appliance Power Extension Cord - Heavy Duty 14/3 AWG Parallel 3 Prong Low Profile Flat Cable US Plug Male to Female Extender Grounded Wire for AC Unit, Air Conditioner, Refrigerator (