UNE 21110-1/1M:1990
AISLADORES DE APOYO PARA INTERIOR Y EXTERIOR DE MATERIA CERAMICA O VIDRIO DESTINADOS A INSTALACIONES DE TENSION NOMINAL SUPERIOR A 1000 V. DEFINICIONES Y ENSAYOS
TESTS ON INDOOR AND OUTDOOR POST INSULATORS OF CERAMIC MATERIAL OR GLASS FOR SYSTEMS WITH NOMINAL VOLTAGES GREATER THAN 1 000 V.
