3M CI Splice Connector is suitable for splicing applications on aluminum or copper cable conductors. The connector has a standard barrel that ensures a secure fit. Its aluminum construction offers high conductivity and an electro tin plated finish resists corrosion. It is rated for 35 kV voltage applications.3M CI Splice Connector has a standard barrel that ensures a secure fit and offers reliable performance. The connector is specially designed for use with 3M pre molded power cable splice bodies QS, QS II and QS III. Its built in solid center stop allows for correct positioning. The connector is suitable for use with 15 kV and 25 kV rated molded rubber splices. ANSI Certified.