Raylinks Heat-Shrinkable splice closure system provides a fast and sample way to seal telephone cable splices in pressurized or non-pressurized telephone cable, which is usedfor aerial, buried and underground applications on polyethylene or lead sheathed cable in sizes up to 2400 pairs.Raylinks Heat-Shrinkable splice closure system provides a fast and sample way to seal telephone cable splices in pressurized or non-pressurized telephone cable.