Reference Source

Division 2

For Division 2, category is area classification; iec / atex designation is Zone 2; basis or note is Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr), recorded from its source on 2026-08-06.

Category
area classification our reading
North American designation
Division 2 verified
IEC / ATEX designation
Zone 2 verified
Basis or note
Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr) verified
Sourceexknowledge.com
Verified2026-08-06
Review by2028-08-05
DatasetNorth American vs IEC/ATEX explosion protection designations

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Division 2 | Zone 2 | Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr)

exknowledge.com, retrieved 2026-08-06

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.

Basis or note

exknowledge.com says basis or note is Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr), as of 2026-08-06.

Division 2 | Zone 2 | Explosive atmosphere not likely; only abnormal conditions (<10 hrs/yr)

https://exknowledge.com/pages/nec-500-vs-atex-iec.html

inframena.com says basis or note is Hazard present only under abnormal conditions, as of 2026-08-06.

Division 2 | Hazard present only under abnormal conditions

https://www.inframena.com/hazardous-area-classification-equivalency-guide/

Sources

Last verified against source: 2026-08-06. Due for re-check by 2028-08-05. This page as Markdown · OKF bundle · full dataset as JSON.