1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationElectric and optical fibre cables Test methods for non-metallic materialsPart 503: Mechanical tests Shrinkage test for sheathsBS EN 60811-503:2012National forewordThis British St
2、andard is the UK implementation of EN 60811-503:2012. It isidentical to IEC 60811-503:2012.In the UK, the relationship between the supersessions of BS EN 60811 seriescan be summarized as follows.Superseded standards are withdrawnThe UK participation in its preparation was entrusted by Technical Comm
3、itteeGEL/20, Electric cables, to Subcommittee GEL/20/17, Electric Cables - Lowvoltage.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its
4、 correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 65325 4ICS 29.035.01; 29.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPol
5、icy and Strategy Committee on 31 July 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60811-503:2012BS EN 60811-100 together with Supersedes - -201, -202, -203, -501 BS EN 60811-1-1:1995 -301, -302, -411, -601, -602, -603, -604 BS EN 60811-5-1:2000 -401, -412
6、 BS EN 60811-1-2:1995 -402, -502, -503, -606 BS EN 60811-1-3:1995 -403, -404, -507 BS EN 60811-2-1:1998 -405, -409 BS EN 60811-3-2:1995 -406, -511, -605, -607 BS EN 60811-4-1:2004 -407, -408, -410, -510, -512, -513 BS EN 60811-4-2:2004 -504, -505, -506 BS EN 60811-1-4:1995 -508, -509 BS EN 60811-3-1
7、:1995EUROPEAN STANDARD EN 60811-503 NORME EUROPENNE EUROPISCHE NORM June 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2012 C
8、ENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60811-503:2012 E ICS 29.035.01; 29.060.20 Supersedes EN 60811-1-3:1995 (partially) + A1:2001 (partially)English version Electric and optical fibre cables - Test methods for non-metall
9、ic materials - Part 503: Mechanical tests - Shrinkage test for sheaths (IEC 60811-503:2012) Cbles lectriques et fibres optiques - Mthodes dessai pour les matriaux non-mtalliques - Partie 503: Essais mcaniques - Essai de rtraction des gaines (CEI 60811-503:2012) Kabel, isolierte Leitungen und Glasfas
10、erkabel - Prfverfahren fr nichtmetallene Werkstoffe - Teil 503: Mechanische Prfungen - Schrumpfungsprfung fr Mntel (IEC 60811-503:2012) This European Standard was approved by CENELEC on 2012-04-17. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the cond
11、itions 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 CEN-CENELEC Management Centre or to any CENELEC member. This European Standard e
12、xists 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 CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the n
13、ational electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, 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,
14、Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 60811-503:2012 - 2 - Foreword The text of document 20/1299/FDIS, future edition 1 of IEC 60811-503, prepared by IEC/TC 20 “Electric cables“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60811-503:2012. The f
15、ollowing dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-01-17 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2015-04-17 This
16、 document supersedes Clause 11 of EN 60811-1-3:1995 + A1:2001 (partially). Full details of the replacements are shown in Annex A of EN 60811-100:2012. There are no technical changes with respect to EN 60811-1-3:1995, but see the Foreword to EN 60811-100. This standard is to be read in conjunction wi
17、th EN 60811-100. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives
18、for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). Endorsement notice The text of the International Standard IEC 60811-503:2012 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following n
19、ote has to be added for the standard indicated : IEC 60811-1-3:1993 NOTE Harmonized as EN 60811-1-3:1995 (not modified). BS EN 60811-503:2012- 3 - EN 60811-503:2012 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following do
20、cuments, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an internatio
21、nal publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60811-100 2012 Electric and optical fibre cables - Test methods for non-metallic materials - Part 100: General EN 60811-100 2012 BS EN 60811-503:2012 2 608
22、11-503 IEC:2012 CONTENTS INTRODUCTION . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 4 Test method . 6 4.1 General . 6 4.2 Test equipment . 6 4.3 Sampling . 6 4.4 Preparation of test pieces 6 4.5 Test procedure 7 4.6 Expression of results . 7 5 Test report 7 Bibliography 8 BS
23、 EN 60811-503:201260811-503 IEC:2012 5 INTRODUCTION The IEC 60811 series specifies the test methods to be used for testing non-metallic materials of all types of cables. These test methods are intended to be referenced in standards for cable construction and for cable materials. NOTE 1 Non-metallic
24、materials are typically used for insulating, sheathing, bedding, filling or taping within cables. NOTE 2 These test methods are accepted as basic and fundamental and have been developed and used over many years principally for the materials in all energy cables. They have also been widely accepted a
25、nd used for other cables, in particular optical fibre cables, communication and control cables and cables for ships and offshore applications. BS EN 60811-503:2012 6 60811-503 IEC:2012 ELECTRIC AND OPTICAL FIBRE CABLES TEST METHODS FOR NON-METALLIC MATERIALS Part 503: Mechanical tests Shrinkage test
26、 for sheaths 1 Scope This Part 503 of IEC 60811 gives the test method for the shrinkage for sheaths. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cite
27、d applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60811-100:2012, Electric and optical fibre cables Test methods for non-metallic materials Part 100: General 3 Terms and definitions For the purposes of this document, the terms an
28、d definitions given in IEC 60811-100 apply. 4 Test method 4.1 General This part of IEC 60811 shall be used in conjunction with IEC 60811-100. 4.2 Test equipment The test equipment shall be as follows: an air oven, electrically heated, capable of maintaining the test temperature; a measuring tape wit
29、h a scale division of 1 mm. 4.3 Sampling The cable to be tested shall be stored for at least 24 h at room temperature before the test. One test piece of complete cable (500 5) mm in length shall be taken at least 2 m away from the end of the cable length. 4.4 Preparation of test pieces The initial l
30、ength of the sheath (L1) shall be determined, immediately after cutting, as the mean value of two measurements. These shall be made longitudinally and parallel to the cable sample axis between diametrically opposite marks on the ends of the sample. If the sample is bent, these measurements shall be
31、taken on the inside and outside of the bend. BS EN 60811-503:201260811-503 IEC:2012 7 4.5 Test procedure The test piece shall be supported horizontally in the air oven preheated to the temperature specified in the cable standard. The test piece should remain in the oven for the time specified in the
32、 cable standard. The test piece shall then be removed from the oven and allowed to cool in air to room tempe-rature. This thermal cycle shall be carried out five times. After cooling to room temperature, the final length of the sheath (L2) shall be determined as described in 4.4. 4.6 Expression of r
33、esults The percentage shrinkage L is the difference between the distances between the marks before the heat treatment (L1) and after the heating and cooling (L2), recorded as a percentage of the distance between the marks before the treatment: L = %100121LLL5 Test report The test report shall be in
34、accordance with that given in IEC 60811-100. BS EN 60811-503:2012 8 60811-503 IEC:2012 Bibliography IEC 60811-1-3:1993, Insulating and sheathing materials of electric cables - Common test methods Part 1: General application v Section 3: Methods for determining the density Water absorption tests Shri
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