Is applicable to post insulators and post insulator units of ceramic material or glass, for indoor and outdoor use in electrical installations or equipment, operating on alternating current with a nominal voltage greater than 1 000 V and a frequency not
SANS 60168:2001 history
2001SANS 60168:2001 Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1 000 V