The Ilsco CTL is a SureCrimp copper compression sleeve designed for reliable electrical connections. It features a long barrel for secure crimping and is tin-plated for enhanced conductivity and corrosion resistance. This sleeve is UL and CSA listed, ensuring it meets rigorous safety and performance standards.This is a SureCrimp copper compression sleeve from Ilsco, identified by product number CTL-1/0. It is designed for use with 1/0 AWG conductors and features a long barrel construction. The sleeve is tin-plated and is UL and CSA recognized.