Use the Marinco Park Power Generator Adapter to help connect between a power cord and a generator power source to resolve any power incompatibility issues. The sturdy 10/3 STW cable connects 50-amp RV power cords to a 30-amp 4-prong power source. Designed with molded ends for watertight connection between cord and electrical contacts. Handle of female end for easy connection | Marinco Park Power 50 Amp Female to 30 Amp Male Power Adapter