... (1KV) overhead line. IntroductionA. The First Class: The Insulation Piercing Connector, apply in Medium-Voltage (10KV), Low-Voltage ... for Overhead line (insulated or bare), House insulation cables, Insulation cables at LV distribution system of civil construction, ... good-conductive materials for good electric capability.PrincipleSMS Insulation Piercing Connector is made up of Plastic shell, ...