UNE 21123-2 and IEC 60502-1 (construction and tests). Electrolytic copper conductor, annealed, flexible class 5 according to UNE EN 60228/ EN 60228 / IEC 60228. Cross-linked polyethylene (XLPE) insulation according to IEC 60502-1 (DIX type 3 according to UNE HD 603-1 table 2A). Identification of insulated conductors by coloring according to HD 308 S2 standard; UNE 21089-1. Helical wiring of insulated conductors. Optional for multi-conductor cables. Thermoplastic material compatible with the maximum operating temperature in the conductor and with the insulation and cover material. External extruded PVC sheath type ST2 according to IEC 60502-1 (type DMV-18 according to standard UNE HD 603-1 table 4A). Unipolar and multipolar formations from 1 to 5 isolated phases. Section: 1.5 to 300 mm2.