These cables are concentric-neutral underground distribution cables. These cables are two-conductor concentric-neutral power cables consisting of one XLPE(cross-linked thermosetting polyethylene) or EPR(Ethylene Prophylene Rubber) insulated central conductor and one copper concentric conductor applied helically overall with/without jacket. These cables intended for use in single-phase and three-phase primary underground distribution system rated 5kV up to 35kV.