# Type Z — Certification marks and hazardous-area classifications: cross-market equivalences

For Type Z, market / system is US; stated equivalent is Division 2; applies to is Class I; governing standard / law is NFPA 496 (FM 3620), verified against its source on 2026-08-11.

- **Designation:** Type Z _(verified: appears in the quote below)_
- **Market / system:** US _(verified: appears in the quote below)_
- **Stated equivalent:** Division 2 _(verified: appears in the quote below)_
- **Applies to:** Class I _(verified: appears in the quote below)_
- **Governing standard / law:** NFPA 496 (FM 3620) _(verified: appears in the quote below)_

## What the source says

> Type Z US Class I Division 2 NFPA 496 (FM 3620)

## 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/).