NFPA 497A

Classification of Class I Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas

Org/Number ID	NFPA 497A
Alternate Organization ID / number	ANSI/NFPA
Version(s)	1986; 1992
Bin #	0293
Comments	Superseded By: NFPA 497
Status	Present
Record last updated	May 3, 2022, 7:03 pm

This is the most recent edition of this standard.