# CSA Mark — Certification marks and hazardous-area classifications: cross-market equivalences

For CSA Mark, market / system is Canada; meaning is identify products acceptable in either Canada (C suffix letter) and/or the USA (US suffix); administered by is Canadian Standards Association, verified against its source on 2026-08-11.

- **Designation:** CSA Mark _(verified: appears in the quote below)_
- **Market / system:** Canada _(verified: appears in the quote below)_
- **Meaning:** identify products acceptable in either Canada (C suffix letter) and/or the USA (US suffix) _(verified: appears in the quote below)_
- **Administered by:** Canadian Standards Association _(verified: appears in the quote below)_

## What the source says

> CSA Mark - Canada The <https://www.csagroup.org/> Canadian Standards Association operates the CSA marking scheme alongside UL certification to identify products acceptable in either Canada (C suffix letter) and/or the USA (US suffix).

## Source

- https://www.belfuse.com/resource-library/tech-paper/power-supply-safety-standards-agencies-and-marks

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/).