Composite station post insulators for substations with a.c. voltages greater than 1000 V up to 245 kV. Definitions, test methods and acceptance criteria— 40 стр.
Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions, test methods, acceptance criteria and design recommendations— 81 стр.
Polymeric insulators for indoor and outdoor use with a nominal voltage greater than 1000 V. General definitions, test methods and acceptance criteria— 38 стр.