... 5-10 mm2 Insulation Piercing Connector KNEP(IPC,insulation piercing branch connectors)Insulation Piercing Connectors / insulation piercing clamp ... insulated piercing connectors, low voltage series insulation piercing connector, waterproof insulation piercing connector, power fittings, cable ... Anti-climate change, high-intensity ultraviolet insulation materials3.Constant puncture fastening torque nut is ...