ParkPower Straight Blade Adapter, 50M to 30F 50A 125/250V 3-pole, 4 wire (male plug) to 30A 125V RV use only (female side) Dogbone Adapter 10/3 hard-service cable gives you reliable outdoor use even in the harshest environments Adapters ends are offset 180 degrees so you can connect without twisting the cord Extra wide grip handle that allows the user to safely and easily remove the plug from an outlet CSA Approved: Our adapters have been independently tested and certified to meet recognized CSA approval standards for safety and performance