Hazardous source list
Hazardous source list
(OP)
Hi Dear experts
At first , i apologize for my English language.
I review a document about hazardous source list.recycle gas compressor (hydrogen gas) has been considered in zone 2 at this document.
is there any idea for this consideration?
is it correct?
At first , i apologize for my English language.
I review a document about hazardous source list.recycle gas compressor (hydrogen gas) has been considered in zone 2 at this document.
is there any idea for this consideration?
is it correct?





RE: Hazardous source list
The zone has to to with the likelyhood of the hazardous vapor and the group pertains to the type of gas. NFPA 497 lists hydrogen as Class I "Zone" Group IIC.
Within the traditional US NEC "Division" groups hydrogen is group B.