Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 6777-1984
Scope
This standard applies to indoor wiring with a nominal voltage of 3.3kV to 33kV. Porcelain multi-fold support insulators (hereinafter referred to as insulators) for electrical equipment used to support conductors and circuit breakers. Note: The units and values within {} in this standard are in the International System of Units (SI).