UNE 21031-9:1992

CABLES AISLADOS CON POLICLORURO DE VINILO DE TENSIONES NOMINALES UO/U INFERIORES O IGUALES A 450/750 V. CABLES PARA INSTALACIONES FIJAS A BAJA TEMPERATURA.

POLYVINYL CHLORIDE INSULATED CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V. SINGLE CORE NON-SHEATED CABLE FOR INSTALLATION AT LOW TEMPERATURES.