DS DS/EN 61211
DS DSEN 61211 2005-JUN-14 nsulators of ceramc materal or glass for overhead lnes wth a nomnal voltage greater than 1 000 V - mpulse puncture testng n ar
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This Standard deals with impulse puncture testing in air of ceramic and glass insulator units of class B (See EN 60383-1); cap and pin, pin type (including pin-post type) and class B long rod insulators.