Premises communication cables Features Use Features Insulated conductors are structured the same as those of CCP cables, which allow highly efficient wiring and connection work. Because the cables are PVC-sheathed, they provide excellent flexibility and facilitate wiring work in places such as the premises of a building. Conform to the RoHS directive. Cables meeting eco-specifications are also available. Use The cables are designed for use in telephone line systems within the premises of a building and private branch exchange systems.