Nexans GPH Mechanical Cable Connectors (up to 52kV), with shear-off-head bolts and transverse grooving. These mechanical connectors are assembled with multiple shear-off-head bolts and are therefore a reliable and efficient way of connecting identical or different conductor cross-sections and conductor materials. The connector body is made from high strength Aluminium https://thepcatech.com/product/nexans-gph-mechanical-connectors-m-series/