# IECEx — Certification marks and hazardous-area classifications: cross-market equivalences For IECEx, meaning is IECEx certificates are increasingly accepted as the basis for national approvals in both ATEX and non-ATEX countries, verified against its source on 2026-08-11. - **Designation:** IECEx _(verified: appears in the quote below)_ - **Meaning:** IECEx certificates are increasingly accepted as the basis for national approvals in both ATEX and non-ATEX countries _(verified: appears in the quote below)_ ## What the source says > IECEx as bridge: IECEx certificates are increasingly accepted as the basis for national approvals in both ATEX and non-ATEX countries, reducing duplicate testing. Over 30 countries accept IECEx directly. ## Source - https://exknowledge.com/pages/nec-500-vs-atex-iec.html 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/).