Marinco15Amp Male TO 30Amp Female Adapter 1530ARV 15A Male Straight Blade to 30A Female Straight Blade Adapter Product Features: Extra wide handles for maximum grip and easier use. Color coded plugs and connectors take the guesswork out of connecting the correct electrical ends Heavy-duty molded connections performance tested to the highest industry standards Made with 10/3 STW outdoor use hard-service cable. Unmatched 5-year warranty