NFPA 499-2021
Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (Effective Date: 04/04/2020)
- Standard No.
- NFPA 499-2021
- Release Date
- 2021
- Published By
- National Fire Protection Association (NFPA)
- Latest
- NFPA 499-2021
NFPA 499-2021 history
- 2021 NFPA 499-2021 Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (Effective Date: 04/04/2020)
- 2017 NFPA 499-2017 Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (Effective Date: 06/02/2016)
- 2013 NFPA 499-2013 Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (Effective Date: 08/29/2012)
- 2007 NFPA 499-2007 Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas 2008 Edition
