Caplugs EC Series Caps are designed for threaded connectors. The EC caps fit 36-pin and 68-pin Champ 050 connectors and 50-pin Champ-type connectors. These EC threaded caps are designed for easy application and removal in areas not readily accessible. The EC series caps can be installed over threads or cylindrical surfaces. These EC caps are made of low-density polyethylene material and available in red color.