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EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS (IEC 60079-25:2010 (EQV))
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Available format(s): Hardcopy, PDF
Language(s): English
Published date: 01-01-2010
Publisher: National Standards Authority of Ireland
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.Only cited Standards give presumption of conformance to New Approach Directives/Regulations.Dates of withdrawal of national standards are available from NSAI.
FOREWORD1 Scope2 Normative references3 Terms, definitions and abbreviations4 Descriptive system document5 Grouping and classification6 Levels of protection7 Ambient temperature rating8 Interconnecting wiring/cables used in an intrinsically safe electrical system9 Requirements of cables and multi-core cables10 Termination of intrinsically safe circuits11 Earthing and bonding of intrinsically safe systems12 Protection against lightning and other electrical surges13 Assessment of an intrinsically safe system14 Marking15 Predefined systemsAnnex A (informative) - Assessment of a simple intrinsically safe systemAnnex B (normative) - Assessment of circuits with more than one source of powerAnnex C (informative) - Interconnection of non-linear and linear intrinsically safe circuitsAnnex D (normative) - Verification of inductive parametersAnnex E (informative) - A possible format for descriptive systems drawings and installation drawingsAnnex F (informative) - Surge protection of an intrinsically safe circuitAnnex G (normative) - Testing of cable electrical parametersAnnex H (informative) - Use of simple apparatus in systemsAnnex I (normative) - FISCO systemsBibliographyAnnex ZA (normative) - Normative references to international publications with their corresponding European publicationsAnnex ZZ (informative) - Coverage of essential requirements of the directive 94/9/EC
Provides the specific requirements for construction and assessment of intrinsically safe electrical systems, type of protection 'i', intended for use, as a whole or in part, in locations in which the use of Group I, II or III apparatus is required.
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