Amazon.com: Camco PowerGrip 30-Amp Camper/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)
Dumble | 30 AMP RV Power Cord Generator Transfer Switch 100' Ft Extension Cable - Walmart.com
AC WORKS 100 ft. SOOW 10/4 NEMA L15-30 30 Amp 3-Phase 250-Volt Industrial Rubber Extension Cord L1530PR-100E - The Home Depot
High Tide Marine 30 Amp - 100 ft Marine Shore Power Extension Cord (9506) - Walmart.com
AC WORKS Super-Duty L14-30 Cord 100-ft 8 / 4-Prong Indoor/Outdoor Soow Super Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
AC WORKS 10ft NEMA L5-30 Cord 10-ft 10 / 3-Prong Indoor/Outdoor Soow Heavy Duty Locking Extension Cord in the Extension Cords department at Lowes.com
AC WORKS 100 ft. SOOW 10/5 NEMA L21-30 30 Amp 3-Phase 120-Volt/208-Volt Industrial Rubber Extension Cord L2130PR-100E - The Home Depot
Parkworld 61568
30 Amp RV Extension Cord 75 ft Trekpower – trekpower