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
Leisure Cords NEMA TT-30 30 Amp Generator/RV Extension Cord 25ft Twist end | eBay
Superior RV EC3025HL Outdoor RV Power Extension Cord - 30 Amp - 25 Ft.
Camco 55525 Outdoor RV Power Extension Cord - 30 Amp - 50 Ft.
25FT 30AMP RV Power Extension Cord With Twist Lock Connector 10/3 STW
30 AMP RV Power Cord Locking Shore Connector Replacement End Marine Twist Lock (30 Amp Connector) - Amazon.com
Amazon.com: Camco PowerGrip 30-Amp Camper/male RV Extension Cord | Features a Durable Heat-Resistant PVC Construction with 10-Gauge Wires and a Flexible Design | Rated for 125 Volts/3750 Watts | 25-Feet (55191) : Automotive
30 Amp RV Extension Cord, NEMA TT-30P to TT-30R 250V Extension Cord | eBay
Champion 100827 Power Equipment 30-Foot 30-Amp RV Generator Power Cord - Walmart.com