BS EN 60708-2005 Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath《带聚烯烃绝缘和隔潮层聚烯烃护套的低频电缆》.pdf
《BS EN 60708-2005 Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath《带聚烯烃绝缘和隔潮层聚烯烃护套的低频电缆》.pdf》由会员分享,可在线阅读,更多相关《BS EN 60708-2005 Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath《带聚烯烃绝缘和隔潮层聚烯烃护套的低频电缆》.pdf(30页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARDBS EN 60708:2005Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheathThe European Standard EN 60708:2005 has the status of a British StandardICS 29.060.20g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3
2、g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Licensed Copy: Wang Bin, na, Thu Apr 20 02:28:28 BST 2006, Uncontrolled Copy, (c) BSIBS EN 60708:2005This British Standard was published under the authority of the Standards Policy and Strategy Com
3、mittee on 23 January 2006 BSI 23 January 2006ISBN 0 580 47543 3National forewordThis British Standard is the official English language version of EN 60708:2005. It is identical with IEC 60708:2005.The UK participation in its preparation was entrusted to Technical Committee EPL/46, Communication cabl
4、es, wires and waveguides, RF connectors and accessories for communication and signalling, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European
5、 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 purport to include all th
6、e 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 committee any enquiries on th
7、e interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 27 and a back cover.The BSI cop
8、yright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsLicensed Copy: Wang Bin, na, Thu Apr 20 02:28:28 BST 2006, Uncontrolled Copy, (c) BSIEUROPEAN STANDARD EN 60708 NORME EUROPENNE EUROPISCHE NORM November 2005
9、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 2005 CENELEC - All rights of exploitation in any form and by any means reserved
10、worldwide for CENELEC members. Ref. No. EN 60708:2005 E ICS 29.060.20 English version Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath (IEC 60708:2005) Cbles pour basses frquences isolation polyolfine et gaine polyolfine barrire dtanchit (CEI 60708:2005) Niederf
11、requenzkabel mit Isolierung aus Polyolefin und mit Polyolefin-Schichtenmantel (IEC 60708:2005) This European Standard was approved by CENELEC on 2005-09-13. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
12、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 Standard exists in three official versions (English, French,
13、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 national electrotechnical committees of Austria, Belgium, Cypr
14、us, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: Wang Bin, na, Thu Apr 20 02:28:28 B
15、ST 2006, Uncontrolled Copy, (c) BSIForeword The text of document 46C/713/FDIS, future edition 1 of IEC 60708, prepared by SC 46C, Wires and symmetric cables, of IEC TC 46, Cables, wires, waveguides, R.F. connectors, R.F. and microwave passive components and accessories, was submitted to the IEC-CENE
16、LEC parallel vote and was approved by CENELEC as EN 60708 on 2005-09-13. 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) 2006-07-01 latest date by which the national standards
17、 conflicting with the EN have to be withdrawn (dow) 2008-10-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60708:2005 was approved by CENELEC as a European Standard without any modification. _ EN 60708:2005 2 Licensed Copy: Wang Bin, na, Thu Ap
18、r 20 02:28:28 BST 2006, Uncontrolled Copy, (c) BSI 3 EN 60708:2005 CONTENTS 1 Scope 5 2 Normative references .5 3 Quality assurance.6 4 Cable construction6 4.1 Conductor .6 4.1.1 Conductor material.6 4.1.2 Type of conductor 6 4.1.3 Conductor-finish.6 4.1.4 Continuity of conductor 6 4.2 Insulation 7
19、4.2.1 Insulation material7 4.2.2 Insulation thickness7 4.2.3 Colour of insulated conductor.7 4.3 Cabling element 7 4.4 Stranding 7 4.5 Colour code.7 4.5.1 General .7 4.5.2 Sub-units, units and cables up to and including 100 pairs or 100 quads8 4.5.3 Cables of more than 100 pairs or 100 quads.8 4.6 S
20、pare pairs or quads .9 4.7 Filling 9 4.8 Core protection9 4.9 Sheath 9 4.9.1 Sheath material9 4.9.2 Application of the sheath9 4.10 Cable protection 10 4.11 Finished cable .10 4.11.1 Overall diameter 10 4.11.2 Sheath marking10 4.11.3 Sealing of ends11 4.12 Delivery.11 5 Mechanical requirements 11 5.
21、1 Conductor .11 5.2 Insulation 11 5.3 Sheath 11 5.3.1 Tensile strength and elongation11 5.3.2 Adhesion of aluminium tape to the polyethylene11 5.3.3 Adhesion of aluminium tape at the overlap12 5.4 Finished cable .12 5.4.1 Sheath integrity12 5.4.2 Resistance to water penetration .12 5.4.3 Cable drip1
22、2 Licensed Copy: Wang Bin, na, Thu Apr 20 02:28:28 BST 2006, Uncontrolled Copy, (c) BSIEN 60708:2005 6 Thermal stability and environmental requirements .12 6.1 Insulation 12 6.1.1 Thermal oxidative stability (OIT-test) 12 6.1.2 Shrinkage 13 6.1.3 Wrapping test of insulation after thermal aging .13 6
23、.1.4 Bending test at low temperature .13 6.2 Sheath 13 6.2.1 Elongation at break after ageing.13 6.2.2 Resistance to weathering .13 6.2.3 Resistance to environmental stress cracking.13 7 Electrical requirements .13 7.1 General .13 7.2 Electrical resistance of conductor.13 7.3 Electrical resistance u
24、nbalance14 7.4 Dielectric strength14 7.5 Insulation resistance14 7.6 Mutual capacitance14 7.7 Capacitance unbalance15 7.8 Transmission characteristics (when used for digital communication) .16 7.8.1 Attenuation 16 7.8.2 Near End Crosstalk (NEXT)16 7.8.3 Equal Level Far-end Crosstalk (ELFEXT)16 7.8.4
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