The ConnectProA(R) trolling motor plug and receptacle system is a revolutionary concept in trolling motor DC connections. The superior electric current carrying capacity of the ConnectProA(R) system eliminates problems that rob motors of power and reduce battery life. The ConnectProA(R) system also features a locking plug and receptacle with a spring clamping connection that provides a secure electrical contact. Plug Comes packed with: O-ring seal for waterproof connections Weather resistant plug cover Corrosion resistant, plated brass electrical components Accepts 16 to 8 gauge wire Ergonomic contoured grip for easy hook-up and ground blade alignment Max rating is 40 amps