SANS 61211:2005 Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V - Impulse puncture testing in air
Covers impulse puncture testing in air of ceramic and glass insulator units of class B cap and pin, pin type (including pin-past type) and class B long rod insulators
SANS 61211:2005 history
2005SANS 61211:2005 Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V - Impulse puncture testing in air