The 3M Aluminum Connectors CI-A Series are for splicing applications on aluminum or copper cable conductors. The CI Series aluminum connectors are specially designed for use with 3M QS, QS II and QS III Pre molded Power Cable Splice Bodies. Each connector is electro tin plated to resist electrolytic corrosion, and have a solid center stop. These connectors meet the requirements of ANSI C119.4.