Ex

For Ex, market / system is US; stated equivalent is Zone 20, 21, 22; governing standard / law is ISA 60079-0, verified against its source on 2026-08-11.

Designation: Ex verified
Market / system: US verified
Stated equivalent: Zone 20, 21, 22 verified
Governing standard / law: ISA 60079-0 verified

Sourceeuroswitch.com

Verified2026-08-11

Review by2027-08-11

DatasetCertification marks and hazardous-area classifications: cross-market equivalences

What the source says

Ex US Zone 20, 21, 22 ISA 60079-0

— euroswitch.com, retrieved 2026-08-11

Source

euroswitch.comhttps://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf

Last verified against source: 2026-08-11. Due for re-check by 2027-08-11. This page as Markdown · OKF bundle · full dataset as JSON.