NAMS/IEC 61109:2015
N$557.00
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
N$557.00
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