Prime AD100801L 1-Feet 12/3 STOW Twist to U-Ground Adapter, Yellow - Extension Cords - Amazon.com
USW 12/3 Twist to Lock Multi Outlet Adapter 3-ft 12 / 3-Prong Indoor/Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com
Hubbell 30 Amp 125-Volt White Twist Lock Female to 15 Amp 125-Volt Straight Blade Male Adapter HBL31CM28 - The Home Depot
Electriduct Bulldog Tough Twist and U-Ground Adapters
Quick Products Twist Lock Adapter Cord - 15A Male to 50A Twist Lock, 12 in. QP-15M50T012 - The Home Depot
WEN 125V 30-Amp 3750-Watt Generator to RV Adapter, NEMA L5-30P Twist-Lock Power Plug to TT-30R RV-Ready Outlet - Walmart.com
Twist Adapters (Single Type) – Kiinde
L6-20P 3-Pin Male Twist Lock 220/250V Plug To L5-20R 3-Prong Female Twist Lock 110/125V Receptacle Socket Outlet Adapter, Electrical Power Cord Convert, NEMA FX711-2 - Amazon.com
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
Parkworld 60684 NEMA L6-30P to 6-20R Adapter, Twist Lock L6-30P to 6-15R Plug Adapter (6-20 T-Blade) - Walmart.com
Locking Power Cord Adapter 50A Male To 30Amp Female Twist Power Cord Male to Female Camper Generator Cable Adapter Electrical Converter Plug - Leisure RV Parts