Historical

NFPA 497-2004

NFPA 497: Classification of Flammable Liquids, Gases, or Vapors and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas, 2004 Edition

Covers recommendations for the classification of Class I Hazardous locations for electrical installations.

CONTENT PROVIDER
National Fire Protection Association [nfpa]

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