BS EN 60433:1999 Insulators for overhead lines with a nominal voltage above 1 kV - Ceramic insulators with a.c. systems - Characteristics of insulator units of the long rod type
Also applicable to insulators of similar design used in substations.
BS EN 60433:1999 history
2021BS EN IEC 60433:2021 Insulators for overhead lines with a nominal voltage above 1 000 V. Ceramic insulators for AC systems. Characteristics of insulator units of the long rod type
1999BS EN 60433:1999 Insulators for overhead lines with a nominal voltage above 1 kV - Ceramic insulators with a.c. systems - Characteristics of insulator units of the long rod type