Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria— 57 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.
Railway applications. Insulation coordination. Basic requirements. Clearances and creepage distances for all electrical and electronic equipment— 52 стр.