BS-EN-60079-17-2007.pdf
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1、BRITISH STANDARD BS EN 60079-17:2007 Explosive atmospheres Part 17: Electrical installations inspection and maintenance The European Standard EN 60079-17:2007 has the status of a British Standard ICS 29.260.20 ? Licensed Copy: London South Bank University, London South Bank University, Fri Nov 16 07
2、:32:55 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 60079-17:2007 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2007 BSI 2007 ISBN 978 0 580 55823 8 National foreword This British Standard is the UK implementation of EN 60079
3、-17:2007. It is identical to IEC 60079-17:2007. It supersedes BS EN 60079-17:2003 and BS EN 61241-17:2005, which will be withdrawn on 1 September 2010. The UK participation in its preparation was entrusted by Technical Committee GEL/31, Equipment for explosive atmospheres, to Subcommittee GEL/31/11,
4、 Codes of practice for electrical apparatus for explosive atmospheres. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct app
5、lication. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Nov 16 07:32:55 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STA
6、NDARD EN 60079-17 NORME EUROPENNE EUROPISCHE NORM September 2007 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2007 CENELEC -
7、All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60079-17:2007 E English version Explosive atmospheres - Part 17: Electrical installations inspection and maintenance (IEC 60079-17:2007) Atmosphres explosives - Partie 17: Inspection et entret
8、ien des installations lectriques (CEI 60079-17:2007) Explosionsfhige Atmosphre - Teil 17: Prfung und Instandhaltung elektrischer Anlagen (IEC 60079-17:2007) This European Standard was approved by CENELEC on 2007-09-01. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations whi
9、ch stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European
10、 Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the
11、national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, S
12、weden, Switzerland and the United Kingdom. ICS 29.260.20 Supersedes EN 60079-17:2003 Licensed Copy: London South Bank University, London South Bank University, Fri Nov 16 07:32:55 GMT+00:00 2007, Uncontrolled Copy, (c) BSI Foreword The text of document 31J/145/FDIS, future edition 4 of IEC 60079-17,
13、 prepared by SC 31J, Classification of hazardous areas and installation requirements, of IEC TC 31, Equipment for explosive atmospheres, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60079-17 on 2007-09-01. This European Standard supersedes EN 60079-17:2003. The si
14、gnificant technical changes with respect to EN 60079-17:2003 are as follows: additional requirements for inspection and maintenance of electrical installations for combustible dusts are included; knowledge, skills and competencies of “responsible persons“, “technical persons with executive function“
15、 and “operatives“ are explained in new Annex B; Equipment Protection Levels (EPLs) have been introduced and are explained in the new Annex C. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by end
16、orsement (dop) 2008-06-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2010-09-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60079-17:2007 was approved by CENELEC as a European Standard without
17、 any modification. _ EN 60079-17:2007 2 Licensed Copy: London South Bank University, London South Bank University, Fri Nov 16 07:32:55 GMT+00:00 2007, Uncontrolled Copy, (c) BSI CONTENTS INTRODUCTION.5 1 Scope.6 2 Normative references .6 3 Terms and definitions .7 4 General requirements.9 4.1 Docume
18、ntation 9 4.2 Qualification of personnel9 4.3 Inspections9 4.3.1 General .9 4.3.2 Grades of inspection10 4.3.3 Types of inspection .10 4.4 Periodic inspections 11 4.4.1 Personnel11 4.4.2 Fixed installations11 4.4.3 Moveable equipment .11 4.5 Continuous supervision by skilled personnel .12 4.5.1 Conc
19、ept.12 4.5.2 Objectives .12 4.5.3 Responsibilities .12 4.5.4 Frequency of inspection.13 4.5.5 Documents 13 4.5.6 Training.13 4.6 Maintenance requirements 14 4.6.1 Remedial measures and alterations to equipment14 4.6.2 Maintenance of flexible cables.14 4.6.3 Withdrawal from service 14 4.6.4 Fastening
20、s and tools .14 4.7 Environmental conditions 15 4.8 Isolation of equipment .15 4.8.1 Installations other than intrinsically safe circuits 15 4.8.2 Intrinsically safe installations.16 4.9 Earthing and equipotential bonding .17 4.10 Specific conditions of use17 4.11 Movable equipment and its connectio
21、ns 17 4.12 Inspection schedules (Tables 1 to 4) .17 4.12.1 Equipment is appropriate to the EPL/zone requirements of the location .17 4.12.2 Equipment group is correct17 4.12.3 Equipment maximum surface temperature is correct17 4.12.4 Equipment circuit identification 17 4.12.5 Cable gland .18 4.12.6
22、Type of cable is appropriate 18 4.12.7 Sealing18 4.12.8 Fault loop impedance or earthing resistance18 EN 60079-17:2007 3 4.12.9 Insulation resistance18 4.12.10 Overload protection 18 Licensed Copy: London South Bank University, London South Bank University, Fri Nov 16 07:32:55 GMT+00:00 2007, Uncont
23、rolled Copy, (c) BSI 5 Additional inspection schedule requirements 18 5.1 Type of protection “d“ Flameproof enclosure (see Table 1 and IEC 60079-1)18 5.1.1 Flameproof joints (see IEC 60079-1) .18 5.2 Type of protection “e“ Increased safety (see Table 1 and IEC 60079-7)19 5.2.1 Overloads19 5.3 Type o
24、f protection “i“ and “iD“ Intrinsic safety (see Table 2 and IEC 60079-11 or IEC 61241-11).19 5.3.1 General .19 5.3.2 Documentation 19 5.3.3 Labelling19 5.3.4 Unauthorized modifications20 5.3.5 Associated apparatus (safety interface) between intrinsically safe and non-intrinsically safe circuits.20 5
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