Marinco (305CRV 30 Amp 125V Locking Connector 30A 125V Locking blade configuration Corrosion resistant materials Use with 103RV, 103ELRV for weatherproof seal CSA approved and UL listed ParkPower By Marinco 30 Ampere Female Connector 30 Ampere 125V locking connector Corrosion resistant materials Use with 103RV, 103ELRV for weatherproof seal