Class I Division 1
For Class I Division 1, market / system is NEC; stated equivalent is Zone 0; meaning is Continuous hazard, recorded from its source on 2026-08-11.
- Designation
- Class I Division 1 verified
- Market / system
- NEC
- Stated equivalent
- Zone 0 verified
- Meaning
- Continuous hazard verified
What the source says
Continuous hazard | Class I Division 1 | Zone 0
— inframena.com, retrieved 2026-08-11
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
Stated equivalent
inframena.com says stated equivalent is Zone 0, as of 2026-08-11.
Continuous hazard | Class I Division 1 | Zone 0
https://www.inframena.com/hazardous-area-classification-equivalency-guide/
inframena.com says stated equivalent is Zone 1, as of 2026-08-11.
Frequent hazard | Class I Division 1 | Zone 1
https://www.inframena.com/hazardous-area-classification-equivalency-guide/
Meaning
inframena.com says meaning is Continuous hazard, as of 2026-08-11.
Continuous hazard | Class I Division 1 | Zone 0
https://www.inframena.com/hazardous-area-classification-equivalency-guide/
inframena.com says meaning is Frequent hazard, as of 2026-08-11.
Frequent hazard | Class I Division 1 | Zone 1
https://www.inframena.com/hazardous-area-classification-equivalency-guide/
Source
- inframena.comhttps://www.inframena.com/hazardous-area-classification-equivalency-guide/