Safety in electroheat installations - Part 21: Particular requirements for resistance heating equipm...
Covers the safety aspects of electrical parts also in the case when electrical heating is combined with other means of heating, for example liquid fuel heating. Supplements and modifies the corresponding clauses in IEC 60519-2.
The contents of the corrigendum of June 1999 have been included in this copy.
Quartz crystal controlled oscillators of assessed quality - Part 4-1: Blank detail specification - C...
IEC 60679-4-1:1998 is a supplementary document to the sectional specification and contains requirements for the minimum content of detail specifications. Applies to quartz crystal controlled oscillators as custom built products or as standard catalogue items and whose quality is assessed on the basis of capability approval.
Luminaires - Part 2-5: Particular requirements - Floodlights
Specifies requirements for floodlights for use with tungsten
filament, tubular fluorescent and other discharge lamps on supply
voltages not exceeding 1 000 V.
The contents of the interpretation sheet of March 2001 have been included in this copy.