Halex 3 ft. 10/3 50 Amp Male to Two 30 Amp Females Marine Shore Power Y- Adapter 50230 - The Home Depot
Amazon.com: Parkworld RV Shore Power Extension Cord, NEMA L5-30 Twist Lock 30A Marine Boat Extension Cord, Female with Seal Collar, Yellow (100FT) : Tools & Home Improvement
Marinco 30A Shore Power Pigtail Adapter | Wholesale Marine
MARINCO 25 ft. 30 Amp/125-Volt Powercord Plus Shore Power Cordset with LED, Yellow 199117 - The Home Depot
Amazon.com: Amp Up Marine & RV Cords 125v 30 amp Male x (2) 30a Female Marine Y Splitter Boat Shore Power Adapter - 21323 : Sports & Outdoors
High Tide Marine 30 amp Male to 50 Amp Female Shore Power with LED Ind – ECS Premier
Amazon.com: MARVINE CABLE Boat Shore Power Cord Adapter 1.5FT 30 Amp to 15/20 Amp NEMA L5-30P to 5-15/20R Female Household Appliance STW 10/3 Heavy Duty Cable with LED Power Indicator : Tools