Division 2
For Division 2, stated equivalent is Zone 2; meaning is Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr), verified against its source on 2026-08-11.
- Designation
- Division 2 verified
- Stated equivalent
- Zone 2 verified
- Meaning
- Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr) verified
What the source says
Division 2 | Zone 2 | Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr)
— exknowledge.com, retrieved 2026-08-11
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
Stated equivalent
exknowledge.com says stated equivalent is Zone 2, as of 2026-08-11.
Division 2 | Zone 2 | Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr)
https://exknowledge.com/pages/nec-500-vs-atex-iec.html
exknowledge.com says stated equivalent is Category 3, as of 2026-08-11.
Map existing equipment to ATEX categories (Division 1 equipment generally satisfies Category 2; Division 2 satisfies Category 3)
Source
- exknowledge.comhttps://exknowledge.com/pages/nec-500-vs-atex-iec.html