IEC 60079-10-Electrical apparatus for explosive gas atmospheres-Part 10-Classification of hazardous areas
Publisher: IEC

Zone classification: Zone 2: At end of definition insert: Note: The words 'places' and 'areas' are synonymous. Electrical apparatus for explosive gas atmospheres — Part 0: General requirements. The factors relevant to the classifications of a hazardous area are the nature of the gases or dust present in the potentially explosive atmosphere. IP Part 15, 1990- Area Classification Code for Petroleum Installations. September 9, 2012 · Download IEC 60079-10-Electrical apparatus for explosive gas atmospheres-Part 10-Classification of hazardous areas pdf · Edit · Delete · Tags · Autopost. Posted by A.K.Hait on 12 July, 2007 - 10:42 pm The reason for sealing between zone-1 and Zone-2 is not only to stop an explosion from propagating between locations but also to prevent the migration of gas or vapour through the conduit. Type 'n' equipment: Delete I.S./EN 50021. IEC 79 classification of hazardous area zones. Explosive atmospheres — Part 1: Equipment protection by flameproof enclosures 'd' Delete I.S./EN 50018. Table 1 - IEC 79 classification of hazardous area zones. Table 1 shows the IEC 79-10 zone classification used in Europe and most other parts of the world. The requirements for equipment to be certified as Ex d or Ex e are set out in various Standards - IEC 60079-1 for Ex d Flameproof equipment, and IEC 60079-7 for Ex e Increased Safety equipment (and documents based on these). 4.0 b:2002, Electrical apparatus for explosive gas atmospheres - Part 10: Classification of hazardous areas. The British Standard BS 5345 Part 2 will become obsolete and replaced by BS/EN/IEC 60079-10. IntroductionWhen electrical equipment is used in locations where fire or explosion hazards may exist due to flammable gases or vapors, flammable liquids, combustible dust, or ignitible fibers or flyings, the Introduction When electrical These requirements apply to apparatus or parts of apparatus for installation and use in Class I, II, or III, Division 1 hazardous (classified) locations in accordance with the requirements of the National Electrical Code, NFPA 70. Zone 0 describes areas in which there is a flammable gas atmosphere present for more than 1000 hours per annum ('continuously'); Zone 1 covers areas where a flammable gas atmosphere is present intermittently for more than 10 hours pa but less . Electrical apparatus for explosive gas atmospheres – Part 10: Classification of hazardous areas. IEC 79-10 :1995 -Electrical Apparatus for Explosive Gas Atmospheres, part 10 Classification of hazardous areas.