IEC 60050-426 ED4

International Electrotechnical Vocabulary (IEV) - Part 426: Explosive atmospheres

General information

30.99   CD approved for registration as DIS   Jun 3, 2026

TCDV    Jun 2, 2027

IEC

TC 31

International Standard

01.040.29   Electrical engineering (Vocabularies) | 29.020   Electrical engineering in general | 29.260.20   Electrical apparatus for explosive atmospheres

Life cycle

PREVIOUSLY

PUBLISHED
IEC 60050-426:2020 ED3

NOW

IN_DEVELOPMENT
IEC 60050-426 ED4
30.99 CD approved for registration as DIS
Jun 3, 2026