# Ex pz — Certification marks and hazardous-area classifications: cross-market equivalences For Ex pz, market / system is CA; stated equivalent is Zone 2; applies to is Class I; governing standard / law is CSA E60079-2, verified against its source on 2026-08-11. - **Designation:** Ex pz _(verified: appears in the quote below)_ - **Market / system:** CA _(verified: appears in the quote below)_ - **Stated equivalent:** Zone 2 _(verified: appears in the quote below)_ - **Applies to:** Class I _(verified: appears in the quote below)_ - **Governing standard / law:** CSA E60079-2 _(verified: appears in the quote below)_ ## What the source says > Ex pz CA Class I Zone 2 CSA E60079-2 ## 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/).