BS-7655-5.1-1997.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS 7655 : Section 5.1 : 1
2、997 IMPORTANT NOTE. This Section of BS 7655 is to be read in conjunction with BS 7655 : Part 0. ICS 29.035.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Specification for Insulating and sheathing materials for cables Part 5. Cross-linked insulating compounds having low em
3、ission of corrosive gases, and suitable for use in cables having low emission of smoke when affected by fire Section 5.1 Harmonized cross-linked types Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:02:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7655 : S
4、ection 5.1 : 1997 This British Standard, having been prepared under the direction of the Electrotechnical Sector Board, was published under the authority of the Standards Board and comes into effect on 15 October 1997 BSI 1997 First published April 1993 Second edition October 1997 The following BSI
5、references relate to the work on this standard: Committee reference GEL/20/3 Draft for comment 96/213358 DC ISBN 0 580 28366 6 Amendments issued since publication Amd. No.DateText affected Committees responsible for this British Standard The preparation of this British Standard was entrusted by Tech
6、nical Committee GEL/20, Electric cables, to Subcommittee GEL/20/3, Insulation and sheath, upon which the following bodies were represented: Association of Consulting Engineers British Approvals Service for Cables British Cable Makers Confederation British Plastics Federation British Railways Board B
7、ritish Rubber Manufacturers Association Ltd. British Telecommunications plc Department of Trade and Industry (Consumer Safety Unit, CA Division) Electricity Association ERATechnology Ltd. GAMBICA (BEAMA Ltd.) London Underground Ltd. Ministry of Defence Queen Mary and Westfield College Telecommunicat
8、ions Cables Group of BCMC Warrington Fire Research Centre Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:02:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7655 : Section 5.1 : 1997 BSI 1997i Contents Page Committees responsibleInside front cover Forewordii
9、 Specification 1Scope1 2References1 3Definitions1 4Requirements1 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:02:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii BSI 1997 BS 7655 : Section 5.1 : 1997 Foreword This Section of BS 7655 has been prepared by Su
10、bcommittee GEL/20/3. It is a revision of BS 7655 : Section 5.1 : 1994 which is withdrawn. It specifies harmonized types of cross-linked insulating compounds having low emission of corrosive gases, and suitable for use in cables having low emission of smoke when affected by fire, in accordance with H
11、D 22.1. This edition of BS 7655 : Section 5.1 introduces compound type EI 8 in accordance with A19 of HD 22.1 S2. Test methods are specified in this Section of BS 7655 by reference to the latest edition of standards in which they appear. A dated reference to the most recent edition of the relevant s
12、tandard for each test method is given in Part 0, which is to be read in conjunction with this Section. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1
13、to 3 and a back cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:02:53 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BSI 19971 BS 7655 : Section 5.1 : 1997 Specification 1 Scope This Section of BS 7655 specifies the requirements for the harmonized cross-li
14、nked insulating compounds listed in table 1. The relevant test methods are given in BS EN 60811, BS 6469 and BS 6425 : Part 2. NOTE. Requirements for smoke emission, which are based on tests on cables and not on individual materials, are given in the relevant cable standard. This Section is to be re
15、ad in conjunction with BS 7655 : Part 0, which contains essential provisions for the application of this Section of BS 7655. Table 1. Types of harmonized cross-linked insulation having low emission of corrosive gases, and suitable for use in cables having low emission of smoke when affected by fire
16、TypeMaximum material operating temperature C General application EI 590Ordinary duty EI 870Ordinary duty for flexible cables 2 References 2.1 Normative references For the purposes of this Section of BS 7655, the requirements of 2.1 of BS 7655 : Part 0 apply with regard to normative references. The l
17、atest editions of the standards giving test methods are listed in the most recent edition of BS 7655 : Part 0. 2.2 Informative references For the purposes of this Section of BS 7655, the requirements of 2.2 of BS 7655 : Part 0 apply with regard to informative references. 3 Definitions For the purpos
18、es of this Section of BS 7655 the definitions given in clause 3 of BS 7655 : Part 0 apply. 4 Requirements The requirements specified for each compound listed in table 2 shall be met when the compound is tested using the test methods listed against each particular requirement. NOTE. For cross-referen
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