explosive gazes and vapours
ambient conditions related to the existence of explosive gazes and vapours
Hierarchy#
Ancestors (top) → AAA637 (highlighted) → subclasses and powertype instances. Capped at 12 each; see the full lists in the sections below.
Higher level classes3#
Declared properties3#
concentration of flammable gas, vapour or mist in air below which an explosive gas atmosphere will not be formed
concentration of flammable gas, vapour or mist in air, above which an explosive gas atmosphere will not be formed
classification of an area in which an explosive gas atmosphere is present, or may be expected to be present, in quantities such as to require special precautions for the construction, installation and use of electrical apparatus
Subclasses#
No subclasses
This class is a leaf — no other classes inherit from it.
Metadata#
- Source document
- IEC 60721-1:1990
- Version
- 1
- Revision
- 3
- Status
- Standard
- Publisher
- IEC
- Responsible committee
- IEC/SC 3D
- Change request
C00115- Dates
- Current version: 2013-07-04
- Current revision: 2023-04-17
Full source data#
Every key from the original .xls export, including multilingual variants, status, publisher, committee, and workbook-specific codes.
Raw properties (16 keys from source .xls) — click to expand
- C002
- C00115
- C011
- IEC
- C016
- Standard
- MDC_P001_5
- 0112/2///61360_4#AAA637
- MDC_P002_1
- 1
- MDC_P002_2
- 3
- MDC_P003_0
- 2023-04-17
- MDC_P003_2
- 2013-07-04
- MDC_P003_3
- 2023-04-17
- MDC_P004.en
- explosive gazes and vapours
- MDC_P006_1
- IEC 60721-1:1990
- MDC_P006.en
- ambient conditions related to the existence of explosive gazes and vapours
- MDC_P010
- 0112/2///61360_4#AAA650
- MDC_P011
- ITEM_CLASS
- MDC_P012
- IEC/SC 3D
- MDC_P014
- {0112/2///61360_4#AAF930,0112/2///61360_4#AAF931,0112/2///61360_4#AAF947}
Version history3#
IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.