IEC 61325:1995

Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic or glass insulator units for d.c. systems - Definitions, test methods and acceptance criteria

IEC 60168:1994

Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1000 V

IEC 60383-1:1993

Insulators for overhead lines with a nominal voltage above 1000 V - Part 1: Ceramic or glass insulator units for a.c. systems - Definitions, test methods and acceptance criteria

IEC 60383-2:1993

Insulators for overhead lines with a nominal voltage above 1000 V - Part 2: Insulator strings and insulator sets for a.c. systems - Definitions, test methods and acceptance criteria

IEC 60273:1990

Characteristic of indoor and outdoor post insulators for systems with nominal voltages greater than 1000 V

IEC TR 60797:1984

Residual strength of string insulator units of glass or ceramic material for overhead lines after mechanical damage of the dielectric

IEC 60720:1981

Characteristics of line post insulators

IEC TR 60575:1977

Thermal-mechanical performance test and mechanical performance test on string insulator units