The Ilsco CSWS is a SureCrimp copper compression connector designed for reliable electrical connections. It features a standard barrel with a visual inspection window and tin plating for enhanced conductivity and corrosion resistance. This connector is UL listed, ensuring it meets safety and performance standards.This ILSCO CSWS SureCrimp copper compression connector is designed for 400 AWG conductor size. It has one mounting hole and a 1/2 inch lug size. The connector features a standard barrel, a visual inspection window, and tin plating. It is UL listed.