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NOTE: This is an unformatted excerpt from our online fire protection training library.

Classification Basics

Section 500.4(B), FPN No. 2.:

     (FPN No. 1):  It is important that the authority having jurisdiction be familiar with recorded industrial experience as well as with the standards of the National Fire Protection Association (NFPA), the American Petroleum Institute (API), and the Instrumentation, Systems, and Automation Society (ISA) that may be of use in the classification of various locations, the determination of adequate ventilation, and the protection against static electricity and lightning hazards.

     (FPN No. 2):  For further information on the classification of locations, see NFPA 30-2000, Flammable and Combustible Liquids Code; NFPA 32-2000, Standard for Dry-cleaning Plants; NFPA 33-2000, Standard for Spray Application Using Flammable or Combustible Materials; NFPA 34-2000, Standard for Dipping and Coating Processes Using Flammable or Combustible Liquids; NFPA 35-1999, Standard for the Manufacture of Organic Coatings; NFPA 36-2001, Standard for Solvent Extraction Plants; NFPA 45-2000, Standard on Fire Protection for Laboratories Using Chemicals; NFPA 50A-1999, Standard for Gaseous Hydrogen Systems at Consumer Sites; NFPA 50B-1999, Standard for Liquefied Hydrogen Systems at Consumer Sites; NFPA 58-2001, Liquefied Petroleum Gas Code; NFPA 59-2001, Utility LP-Gas Plant Code; NFPA 497-1997, Recommended Practice for the Classification of Flammable Liquids, Gases, or Vapors and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas; NFPA 499-1997, Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas; NFPA 820-1999, Standard for Fire Protection in Wastewater Treatment and Collection Facilities; ANSI/API RP500-1997, Recommended Practice for Classification of Locations of Electrical Installations at Petroleum Facilities Classified as Class I, Division 1 and Division 2; ISA 12.10-1988, Area Classification In Hazardous (Classified) Dust Locations.
NOTE: This is an unformatted excerpt from our online fire protection training library.

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