Power Cord Plug Adapter 15 Amp Male To 30 Amp Twist To Lock Female 12" RV Electrical Converter Cord Cable with LED Indicator Light - Leisure RV Parts
Camco PowerGrip Camper/RV Replacement Plug | Replace a 30-Amp Plug on Extension Cord | Polyvinyl Plastic, Yellow (55242) - Walmart.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