NFPA updated NFPA 499: Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (2021 edition) with a revised definition of “combustible flyings”.
NFPA updated NFPA 499: Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (2021 edition) with a revised definition of “combustible flyings”.