Group B
What is the category for Group B?
For Group B, category is gas group; iec / atex designation is IIC; basis or note is Hydrogen, recorded from its source on 2026-08-06.
Hydrogen | B | 520 | 968 | 6,000 PSI | IIC
— ldpi-inc.com, retrieved 2026-08-06
- Category
- gas group our reading
- North American designation
- Group B
- IEC / ATEX designation
- IIC verified
- Basis or note
- Hydrogen verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- ldpi-inc.comhttps://ldpi-inc.com/resources/classification-codes/class-1-locations/