Voltec E Zee Grip Adapter 30 Amp/50 Amp 10/4 Gauge. E-Zee Grip handle is large and ergonomic for a comfortable grip; Replaceable Nylon handle Handle sits flat into junction boxes enabling it to close completely for safety Utilize the L14-30 250 Volt Receptacle on your Generator to power your 30 Amp RV 4 prong 30 Amp to 50 Amp outlet adapter Outlet Adapter Length: 18 inch Package Contents: Voltec 16-00520 E Zee Grip Adapter 30 Amp/50 Amp 10/4 Gauge Voltec 16-00520: E Zee Grip Adapter 30 Amp/50 Amp 10/4 Gauge