Composite hollow insulators. Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1000 V. Definitions, test methods, acceptance criteria and design recommendations— 44 стр.
Insulators for overhead lines. Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1000 V. Definitions, test methods and acceptance criteria— 34 стр.