BS-EN-61034-2-2005.pdf
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1、BRITISH STANDARD BS EN 61034-2:2005 Measurement of smoke density of cables burning under defined conditions Part 2: Test procedure and requirements The European Standard EN 61034-2:2005 has the status of a British Standard ICS 13.220.40; 29.020; 29.060.20 ? BS EN 61034-2:2005 This British Standard w
2、as published under the authority of the Standards Policy and Strategy Committee on 21 October 2005 BSI 21 October 2005 ISBN 0 580 46193 9 National foreword This British Standard is the official English language version of EN 61034-2:2005. It is identical with IEC 61034-2:2005. It supersedes BS EN 50
3、268-2:2000 which is withdrawn. BS EN 61034-2:2005 contains technically equivalent content to BS EN 50268-2:2005 and additional new information for testing cables above 80 mm diameter and for testing non-circular cables, which was not included in BS EN 50268-2:2000. The UK participation in its prepar
4、ation was entrusted by Technical Committee GEL/20, Electric cables, to Subcommittee GEL/20/18, Fire testing, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement i
5、nternational or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not
6、purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European comm
7、ittee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 16,
8、an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD EN 61034-2 NORME EUROPENNE EUROPISCHE NORM August 2005 CENELEC European Committee for El
9、ectrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Re
10、f. No. EN 61034-2:2005 E ICS 13.220.40; 29.020; 29.060.20 Supersedes EN 50268-2:1999 English version Measurement of smoke density of cables burning under defined conditions Part 2: Test procedure and requirements (IEC 61034-2:2005) Mesure de la densit de fumes dgages par des cbles brlant dans des co
11、nditions dfinies Partie 2: Procdure dessai et exigences (CEI 61034-2:2005) Messung der Rauchdichte von Kabeln und isolierten Leitungen beim Brennen unter definierten Bedingungen Teil 2: Prfverfahren und Anforderungen (IEC 61034-2:2005) This European Standard was approved by CENELEC on 2005-06-01. CE
12、NELEC members are bound to comply with the CEN/CENELEC Internal Regulations which 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
13、 application to the Central Secretariat or to any CENELEC member. This European 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 Sec
14、retariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, No
15、rway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Foreword The text of document 20/755/FDIS, future edition 3 of IEC 61034-2, prepared by IEC TC 20, Electric cables, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61034-2 on 2
16、005-06-01. The principal changes with respect to EN 50268-2 are as follows: a) inclusion of non-circular cables; b) addition of guidance on testing cables above 80 mm diameter; c) delineation of elements of the test report; d) addition of guidance on the calculation for other parameters for fire saf
17、ety engineering purposes. 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 endorsement (dop) 2006-03-01 latest date by which the national standards conflicting with the EN have to be withdrawn (
18、dow) 2008-06-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 61034-2:2005 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard ind
19、icated: IEC 60695-6-1 NOTE Harmonized as EN 60695-6-1:2005 (not modified). _ 2 EN 61034-2:2005 CONTENTS INTRODUCTION4 1 Scope. 5 2 Normative references 5 3 Terms and definitions 5 4 Test apparatus 5 5 Test assembly . 6 5.1 Test sample 6 5.2 Cable test piece selection and test sample assembly 6 5.3 P
20、ositioning of test sample . 7 6 Test procedure 7 7 Evaluation of test results 8 8 Retest procedure . 8 9 Test report8 Bibliography 15 Annex A (informative) Guidance on the principles and use of smoke measurements 11 Annex B (informative) Recommended performance requirement 14 Annex ZA (normative) No
21、rmative references to international publications with their corresponding European publications 16 Figure 1 Method of binding for bundles of test pieces 9 Figure 2 Method of support of test sample 10 3 EN 61034-2:2005 INTRODUCTION The measurement of smoke density is an important aspect in the evalua
22、tion of the burning performance of cables as it is related to the evacuation of persons and accessibility for firefighting. IEC 61034 is published in two parts, which together specify a method of test for measurement of smoke density of cables burning under defined conditions. Users of this test are
23、 reminded that the configurations of cable in the test (i.e. as test pieces or bundles of test pieces) may not represent actual installation conditions. Part 1 gives details of the test apparatus and verification procedure to be used for the measurement of smoke density of the products of combustion
24、 of cables burnt under defined conditions. It includes details of a test enclosure of 27m volume, a photometric system for light measurement, the fire source, smoke mixing method and a qualification procedure. This Part 2 gives the test procedure, together with an informative annex giving recommende
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