The Cole Hersee 12-Pole Inline Socket 12500 flat profile design provides a robust 7-pole or 12-pole connection. Housings are molded thermoplastic material, resistant to ultraviolet solar radiation. Nickel-plated brass terminals with split contact pins give a positive connection. Insulators between each terminal provide protection from short circuits. Spring-loaded socket lid protects the terminals when not in use. Insulated cable clamp secures the cable, minimizing vibration and strain. Terminal covers are easily removed for access to terminals. Pins 1-7 accept up to 14AWG wire, pins 8-12 accept up to 8AWG wire. Accepts 12-pole plug or 7-pole plug.