... Piercing Connector KNEP(IPC,insulation piercing branch connectors)Insulation Piercing Connectors / insulation piercing clamp (IPC) Insulated ... Piercing Connector, piercing clamp, insulated piercing connectors, low voltage series insulation piercing connector, ... corrosion-resistant shell, Anti-climate change, high-intensity ultraviolet insulation materials3.Constant puncture fastening ...