Feature: 1. [Insulated Shell] Constructed with flame retardant insulation material, the shell is sturdy, resistant to damage, erosion, and aging, as well as damp, dustproof, suitable for various power projects in road lighting, industrial power, bridge lighting, and garden illumination. 2. [Sealed Structure] Filled with insulating thermal oil, the interior of the clamp forms a sealed structure upon installation, enhancing insulation and conductivity performance. 3. [No Peeling Required] This clamp allows for cable branching without the need to strip the insulation and phase main cables, ensuring a convenient and efficient installation process. 4. [Tin Plated] The piercing plate, made of pure copper and treated with tin plating, offers excellent conductivity, resistance to oxidation, can be used for copper and aluminum wires. 5. [Versatile Applications] Using this insulation piercing connector on live circuits can eliminate power outages, and use it on overhead services such as street lighting can ensure premium connections and prevent hotspots, loose connections, or damaged wires. Specification: Item Type: Insulation Piercing Connector Material: PVC, Copper Model Main Line Branch Line JJC-1 1.5-35mm 1.5-10mm JJC-2 16-95mm 1.5-10mm JJC-3 16-95mm 4-50mm JJC-4 50-150mm 6-50mm . Package List: 5 x Insulation Piercing Connector Note: For safety reasons, the puncture line clamp is not allowed to work underwater for a long time