AC & DC POWER CONNECTIONS All Marinco® cordsets are made of the highest quality, marine grade construction with features you won’t find on other power cords. Cordsets 16 15 Amp extension cords contain a universal slide locking mechanism to prevent cable disconnection. Available in 25' and 50' lengths. 15A Marine Grade Extension Cords 18 Designed for manual AC plug applications for fleet and emergency vehicles. Inlets & Connectors 13 Sure Eject™ Automatic AC disconnect ejects power cords upon ignition to prevent damage. 13 12 Air Brake Compressors Automatically maintains air brake system at ready status.