Reference Source

Division 2

For Division 2, market / system is NEC and CEC; stated equivalent is Zone 2 / Zone 22, verified against its source on 2026-08-11.

Designation
Division 2 verified
Market / system
NEC and CEC verified
Stated equivalent
Zone 2 / Zone 22 verified
Sourceeuroswitch.com
Verified
Review by
DatasetCertification marks and hazardous-area classifications: cross-market equivalences

What the source says

NEC and CEC* ATEX and IEC Definitions General CA Class II Division 1 & 2 US Class III Division 1 & 2 FM 3600 Con nuos A place in which an explosive atmosphere is Requirements Division 1 Zone 0 / Zone 20 CA Class III Division 1 & 2 hazard con nually present Ex US Zone 20, 21, 22 ISA 60079-0 Dust Igni on Proof (DIP) US Class II Division 1 UL 1203 Intermittent A place in which an explosive atmosphere is Division 1 CSA C22.2 No. 25 Division 1 Zone 1 / Zone 21 CA Class II hazard likely to occur in normal opera on Dust Protected (NI) US Class II Division 2 ISA 12.12.01 / FM 3611 Hazard under A place in which an explosive atmosphere is CA Class II Division 2 CSA C22.2 No. 25 abnormal Division 2 Zone 2 / Zone 22

euroswitch.com, retrieved 2026-08-11

Source

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