# Class II, Group G — North American vs IEC/ATEX explosion protection designations

For Class II, Group G, category is dust group; basis or note is Grain, flour, plastic dusts, recorded from its source on 2026-08-06.

- **Category:** dust group _(our reading, not quoted from the source)_
- **North American designation:** Class II, Group G _(verified: appears in the quote below)_
- **Basis or note:** Grain, flour, plastic dusts

## What the source says

> Class II, Group G

## Source

- https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups

Last verified: 2026-08-06. Review by: 2028-08-05.
Part of [North American vs IEC/ATEX explosion protection designations](https://referencesource.org/ex-classification-system-crosswalk/).