NFPA 499:2027
Current
Current
The latest, up-to-date edition.
Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas
Published date
06-05-2026
Publisher
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This recommended practice provides information on the classification of combustible dusts and of hazardous (classified) locations for electrical installations in chemical process areas and other areas where combustible dusts are produced or handled.
| DevelopmentNote |
TIA 27-1, Reference:Equation A.6.3.2c and Table A.6.3.2(c),Issue date:15-Apr-2026
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| DocumentType |
Standard
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| PublisherName |
National Fire Protection Association
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| Status |
Current
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| Supersedes |
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