ATSL and ATSC are mechanical torque shear connectors designed for use in low and medium voltage applications. Conductor Size: 16-1000mm Consist - Aluminium Electro Tin plated body with shear bolts Application: Indoor and Outdoor Palm Holes suitable for M12 & M16 Bolts - Suitable for Aluminium and Copper Cables - Torque controlled shear of bolts guarantee excellent electrical connection - Grooved inner barrel contact surface compliments shear bolt action to ensure good electrical connection. - IEC 61238-1 Class A and B, BS EN 50483-6:2009