# Certification Body (CB) scheme — Certification marks and hazardous-area classifications: cross-market equivalences

For Certification Body (CB) scheme, meaning is allows manufacturers who have been issued a CB test certificate by one National Certification Body (NCB) to obtain certification marks from other participating NCBs, verified against its source on 2026-08-11.

- **Designation:** Certification Body (CB) scheme _(verified: appears in the quote below)_
- **Meaning:** allows manufacturers who have been issued a CB test certificate by one National Certification Body (NCB) to obtain certification marks from other participating NCBs _(verified: appears in the quote below)_

## What the source says

> To ease the issue of regional differences, the Certification Body (CB) scheme allows manufacturers who have been issued a CB test certificate by one National Certification Body (NCB) to obtain certification marks from other participating NCBs.

## 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/).