NFPA-499 › Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas
Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas
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Document Number
NFPA-499
Revision Level
2024 EDITION
Status
Current
Publication Date
Jan. 1, 2024
Page Count
41 pages