# II 1G — Certification marks and hazardous-area classifications: cross-market equivalences

For II 1G, market / system is ATEX; stated equivalent is Ga; applies to is Zone 0, 1 & 2, verified against its source on 2026-08-11.

- **Designation:** II 1G _(verified: appears in the quote below)_
- **Market / system:** ATEX _(verified: appears in the quote below)_
- **Stated equivalent:** Ga _(verified: appears in the quote below)_
- **Applies to:** Zone 0, 1 & 2 _(verified: appears in the quote below)_

## What the source says

> Zone 0, 1 & 2 Ace c Acid, Acetone, Ammonia, Butane, Cyclohexane, ATEX Group & Category: II 1G Propane, Gasoline (petrol), IECEx Equipment Protec on Level: Ga IIA Methane (natural gas, non-mining), Toluene, Xylene.

## Source

- https://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf

Last verified: 2026-08-11. Review by: 2027-08-11.
Part of [Certification marks and hazardous-area classifications: cross-market equivalences](https://referencesource.org/certification-standards-equivalence/).