Superior RV EC3025HL Outdoor RV Power Extension Cord - 30 Amp - 25 Ft.
Quick Products QP-30-25THL 30 Amp RV Cord - Grip Handle Plug with Twist Lock and
25FT 30AMP RV Power Extension Cord With Twist Lock Connector 10/3 STW
30 Amp RV Extension Cord – Airstream Supply Company
Iron Forge Cable 15 Amp to 30 Amp RV Electrical Adapter Power Cord, 12 - iron forge tools
Champion Power Equipment 30-Amp RV Generator 30-ft / 1 3-Prong Outdoor Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com