Current stage: 30.99 CD approved for registration as DIS Dec 18, 2025
Next stage: TCDV Next stage date : Jun 30, 2028
Originator: IEC
Owner: TC 36
Type: International Standard
ICS: 29.080.10 Insulators
PUBLISHED IEC 60273:1990 ED3
ABANDON IEC 60273 ED4
IN_DEVELOPMENT IEC 60273 ED5 30.99 CD approved for registration as DIS Dec 18, 2025
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