Recommendations for lightning arresters - Part 1: Non-linear resistor type arresters
Applies, in particular, to surge arresters consisting of single or multiple spark gaps in series with one or more non-linear resistors.
This edition supersedes the second edition of IEC 99-1 (1970).
Recommended methods for the measurement of direct interelectrode capacitances of electronic tubes an...
Applies to the measurement of the direct interelectrode capacitances of electronic tubes of the following types: receiving tubes, cathode-ray tubes, gas tube and gas-filled valves, phototubes, photocells and multiplier types, high-power vacuum tubes.