NFPA 497:2024
Current
Current
The latest, up-to-date edition.
Recommended Practice for the Classification of Flammable Liquids, Gases, or Vapors and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas
Available format(s)
Hardcopy
Language(s)
English
Published date
01-01-2024
Publisher
1.1.1 This recommended practice applies to those locations where flammable gases or vapors, flammable liquids, or combustible liquids are processed or handled; and where their release into the atmosphere could result in their ignition by electrical systems or equipment.
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