Insulators for overhead lines - Composite line post insulators for A.C. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria— 54 стр.
Insulators for overhead lines - Composite line post insulators for A.C. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria— 54 стр.
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.