NFPA 497M

Classification of Gases, Vapors, and Dusts for Electrical Equipment in Hazardous (Classified) Locations

Org/Number ID	NFPA 497M
Alternate Organization ID / number	ANSI/NFPA
Version(s)	1983; 1986; 1991 2 copies
Bin #	0293
Comments	Superseded By: NFPA 497
Status	Present
Record last updated	May 3, 2022, 7:04 pm

This is the most recent edition of this standard.