Reliance LL550C 12,000-Watt 50-Amp Generator Power Cord Plug – LL550C – DuroMax Power Equipment
Sportsman 8,750/7,000-Watt Dual Fuel Digital Inverter Generator with 50 Amp RV Outlet, USB Port and 4 GFCI 120-Volt Outlets 806588 - The Home Depot
Amazon.com: WELLUCK 50 Amp Emergency Power Combo Kit with SS2-50 Inlet Box and 15 FT Power Cord, 50A Generator Power Inlet Box, NEMA 14-50P to SS2-50R RV Power Extension Cord with Grip
Amazon.com: Rophor 50 Amp Generator Power Inlet Box, NEMA SS2-50P for 3 Prong Generator Cord, 125/250 Volt, 12500 Watts, Weatherproof, Outdoor Use, ETL Listed : Patio, Lawn & Garden