NFPA 497 2021 Recommended Practice for the Classification.pdf
文档页数:79文档大小:2.36MB文档格式:pdfNFPA497 Remended practice for theClassification of FlammableLiquids ,Gases ,or Vapors and ofHazardous ( Classified)Locationsfor Electrical Installations inChemical Process areas2021 NFPAIMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA STANDARDSNFPA codes ,standards ,remended practices ,and guides ( "NFPAStandards "),of which the documentcontained herein is one ,are developed through a consensus standards development process approved theAmerican National Standards Institute .This process brings together volunteers representing varied viewpointsand interests to achieve consensus on fire and other safety issues .While the NFPA administers the process andestablishes rules to promote fairness in the development consensus ,it does not independently test ,evaluate ,overify the accuracy of any information or the soundness of any judgments contained in NFPA Standards . The NFPA disclaims liability for any personal injury ,property ,or other damages of any nature whatsoever , whether special ,indirect ,consequential or pensatory ,directly or indirectly resulting from the publication ,useof ,or reliance on NFPA Standards .The NFPA also makes no guaranty...
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