Camco 55333 Three and four prong Generator Adapter, 30A Male To 30A FemaleFor connecting a generator with a L5 30 locking receptacle and 4 prong adapters for connecting a generator with a L14 30 locking receptacle to a recreational vehicle with a standard 30 amp RV cord set (TT 30). 30A male to 30A female Comfort grip with non slip grooves One piece heavy duty construction Patented WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or