IEC 60050 Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 904: Environmental standardization for electrical and electronic products and systems*， 2019-10-17 Update
IEC 60099-1 Surge arresters - Part 1: Non-linear resistor type gapped surge arresters for a.c. systems
IEC 60417 Graphical symbols for use on equipment (DATABASE SNAPSHOT) ((SNAPSHOTS ARE NOT AVAILABLE FOR RETAIL PURCHASE))*， 2023-12-21 Update
IEC 60695-2-1 Fire hazard testing; part 2: test methods; section 1: glow-wire test and guidance