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Prysmian’s SUPERDRI is a single conductor cable with solid or filled strand aluminum or copper conductors. It has a triple extruded insulation system consisting of a thermosetting semiconducting conductor shield, high dielectric strength TRXLP or EPR insulation, thermosetting semiconducting insulation shield, copper concentric neutral wires, water swellable agents, and black sleeved linear low-density polyethylene (LLDPE) jacket.
The water swellable tape is applied longitudinally over the concentric neutrals combined with an application of water swellable agents to resist longitudinal water penetration under the jacket. Rip cords are applied beneath the water swellable tape to facilitate removal of the water swellable tape and the jacket.