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EXPLOSIVE ATMOSPHERES - PART 25: INTRINSICALLY SAFE ELECTRICAL SYSTEMS
Amended by: CEI EN 60079-25 : 2012/EC : 2018
Available format(s): Hardcopy, PDF
Language(s): English - Italian
Published date: 01-01-2012
Publisher: Comitato Elettrotecnico Italiano
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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