For fire-resistant or fire-retardant cables connecting branches (such as: tunnel, construction and so on)

1.All components are connected with the flame of fire-retardant properties
2.Using corrosion-resistant shell, Anti-climate change, high-intensity ultraviolet insulation materials
3.Constant puncture fastening torque nut is installed more simple, safe, fast.
4.Extension puncture site and contact with senior waterproof cover functions (IP27), the water pressure of 6 KV
5.Extension Cover may as required under extreme left or right side.