parkworld Generator 30 Amp Twist Lock 3-Prong Plug to 2X 30 Amp 125-Volt Outlets Splitter Adapter NEMA L5-30P to (2) L5-30R 60851 - The Home Depot
Reliance Controls 30 Amp 125-250-Volt 4-Wire Twist Lock Plug, Black
WEN Twistlock Adapter in the Generator Accessories department at Lowes.com
parkworld 50 Amp Generator to Transfer Switch Inlet Box Adapter 30 Amp 125/250-Volt NEMA L14-30P Plug to 50 Amp Twist Lock CS6364 78295 - The Home Depot
L5-15P Twist Lock Male 3-Pin Plug To 5-15R 3-Prong Female Receptacle Outlet NEMA Electric Power Cord Adapter/Converter 110125V input 110/250V Output - - Amazon.com
15 Amp Male to 30 Amp Female RV Power Adapter with Twist-Lock - RecPro
Amazon.com : ONETAK NEMA L14-30P to L6-30R 240V 30 Amp Twist Lock 4 Prong Male Plug to Twist Lock 3 Prong Female Outlet Receptacle Generator Welder Dryer EV Charger Power Cord Adapter :
parkworld 1.5 ft. 6/3 3-Wire 50 Amp 125/250-Volt Twist Lock SS2-50P Plug to 50 Amp 6-50R-Outlet Welder Adapter(SS2-50P to 6-50R) 885576 - The Home Depot