# Division 2 · equipment category · Category 3 — North American vs IEC/ATEX explosion protection designations

For Division 2, category is equipment category; iec / atex designation is Category 3; basis or note is Division 2 satisfies Category 3, recorded from its source on 2026-10-06.

- **Category:** equipment category _(our reading, not quoted from the source)_
- **North American designation:** Division 2 _(verified: appears in the quote below)_
- **IEC / ATEX designation:** Category 3 _(verified: appears in the quote below)_
- **Basis or note:** Division 2 satisfies Category 3 _(verified: appears in the quote below)_

## What the source says

> Map existing equipment to ATEX categories (Division 1 equipment generally satisfies Category 2; Division 2 satisfies Category 3)

## Related records

- [Division 1 · equipment category · Category 2](https://referencesource.org/ex-classification-system-crosswalk/category-2-equipment-category-division-1/)

## Source

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

Last verified: 2026-10-06. Review by: 2028-10-05.
Part of [North American vs IEC/ATEX explosion protection designations](https://referencesource.org/ex-classification-system-crosswalk/).