30AMP/125V Female ReceptableSmartPlug Receptacles are designed to provide the maximum surface contact to efficiently transfer power while minimizing resistance which causes heat. 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. Features:Mechanical Locking System-Each receptacle incorporates a spring-loaded lock for a secure connectionWeather Resistant Seal-Multi-fin silicone gaskets installed in the inlet cover and the plug body eliminates moisture penetrationEase of Use - Locks into the edge of the SmartPlug mounting flange.\NoTwist RequiredAsymmetrical Body Shape - It only goes in the right way every time - even in the dark!Push-in Design - Self-cleaning pins & clipsEasy to Install - Mounting plate only requires 4 screws to install