... constant, keeps good electric connection andmakes no damage to lead3) Self-seaming frame, wetproof, waterproof, and anti-corrosion, extends the usinglife ... insulated case body, resistance to illumination and environmental aging,the insulation strength can be up to 6kV7) Arc surface design, applied ... section mail: 25~95mm²b) Cross section tap: 16~70mm² Insulation Piercing Connector (IPC)