# Non-incendive — Certification marks and hazardous-area classifications: cross-market equivalences

For Non-incendive, stated equivalent is Ex nA / Ex ec; meaning is Normal operation cannot cause ignition; governing standard / law is IEC 60079-15 / -7, verified against its source on 2026-08-11.

- **Designation:** Non-incendive _(verified: appears in the quote below)_
- **Stated equivalent:** Ex nA / Ex ec _(verified: appears in the quote below)_
- **Meaning:** Normal operation cannot cause ignition _(verified: appears in the quote below)_
- **Governing standard / law:** IEC 60079-15 / -7 _(verified: appears in the quote below)_

## What the source says

> Non-incendive | Ex nA / Ex ec | IEC 60079-15 / -7 | Normal operation cannot cause ignition

## 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/).