SmartPlug 50 AMP 125/250 V Female Receptacle One Size. These receptacles are used to upgrade existing marina pedestals. They can also be installed in industry standard electrical boxes when used in conjunction with our spring-loaded weather doors.SmartPlug plugs self-align with these receptacles and have an automatic lock system when engaged. The push in design provides self cleaning for the pins and clips which insures clean power transfer.Features:Mechanical Locking System Each receptacle incorporates a spring-loaded lock for a secure connection.Weather Resistant Seal - Silicone gaskets installed in the inlet cover and the plug body eliminates moisture penetration.Ease of Use Locks into the edge of the SmartPlug mounting flange.NoTwist RequiredAsymmetrical Body Shape It only goes in the right way every time.Easy to InstallSold as an IndividualWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Package Contents: SmartPlug 50 AMP 125/250 V Female Receptacle SmartPlug RF50: 50 AMP 125/250 V Female Receptacle One Size