The Camco Heavy-Duty PowerGrip Locking Generator Adapter allows you to connect to a 3-prong, 30-amp L5-30R generator outlet, adapting it to fit three 15-amp residential outlets. Simply attach your 15-amp rated devices plugs into the transparent female end of the adapter and plug the 30-amp locking male end into the generator. The transparent female end will illuminate to indicate that the adapter is supplying power.