Leisure Cords 15 Ft 30 amp RV Power Extension Cord with LED Power indictor - 30 Amp Male to 30 Amp Female Standard Plug (30 Amp - 15 Foot) - Walmart.com
Iron Forge Cable 15 Amp to 30 Amp RV Adapter - 10/3 STW 5-15P Male Plu - iron forge tools
Amazon.com: RVGUARD 30 Amp to 110 Volt RV Adapter Cord with 30 Amp 50 Foot RV Extension Cord, 15 Amp (5-15P) to 30 Amp (TT-30R) Adapter and 30 Amp (TT-30P/TT-30R) RV Extension
20 Amp NEMA TT-30P to L5-30R Power Extension Cord Adapter - Twist Lock – GearIT
50 Amp RV Extension Cord for Generator Inlet with Twist Lock - RecPro