Description: 50Amp 600V Battery Power Plug. 10-12 AWG These Plugs form a Reliable Weather and Vibration Resistant Connection, Cannot be Cross Connected, and are most Commonly used to connect auxiliary power from a vehicle to a trailer. Low voltage and high current resistant. The contacts are made of copper and silver plated. Package Includes: 2 Pieces Housings 4 Pieces Contacts 2 Pieces Waterproof Caps