ATSL & ATSC LV are mechanical torque shear lugs and connectors designed for use in Low Voltage and Medium Voltage applications. Suitable for AL (Aluminium) and Copper cables. Conductor sizes 16-1000mm. Solid Palm (no inspection hole) eliminates ingress of moisture. Grooved inner barrel contact surface. Complies to IEC 61238-1 Class A and B, BS EN50483-6:2009 M12 and M16 Bolts