Amazon.com: Camco PowerGrip Camper/RV Generator Adapter | Features a 4-Prong L14-30 Male End and a Standard 50-Amp Female End | Rated for 125/250 Volts & 7500 Watts (55422) : Tools & Home Improvement
Camco PowerGrip 4 Prong Generator Dogbone Adapter 55382 - The Home Depot
Amazon.com: Camco Power Grip Camper/RV Generator Adapter | Features a Heavy-Duty 30 Amp Locking Male and Female Connection | Rated for 125 Volts / 3750 Watts (55333) : Automotive
Camco Power Grip 30-Amp 4-Prong Y RV Generator Adapter | Hills Flat Lumber
CAMCO Yellow L14-30P to TT-30C DogBone Adapter | UL Listed | 125V 3750W | Outdoor Use | 12-Inch Long in the Power Adapters department at Lowes.com
CAMCO UL Listed L14-30P to TT-30C Adapter - Heavy Duty Outdoor Power Adapter - Yellow - Compatible with L14-30 Locking Receptacle in the Power Adapters department at Lowes.com