NFPA 497

Hazardous Locations for Electrical Installations in Chemical Plants

Org/Number ID	NFPA 497
Alternate Organization ID / number	ANSI/NFPA ANSI B185.1
Version(s)	1975
Bin #	0293
Comments
Status	Present
Record last updated	May 3, 2022, 7:02 pm

This is not the most recent edition of this standard.

Newer edition note: 2021