BS-7878-2-1997.pdf
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1、BRITISH STANDARD BS 7878-2: 1997 Materials used in communication cables Part 2: PVC sheathing compounds ICS 29.040.20 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:03:00 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7878-2:1997 This British Standard, having
2、 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 January 1997 BSI 11-1998 The following BSI references relate to the work on this standard: Committee reference EPL/46/1 Draft announced in BSI
3、 Update September 1996 ISBN 0 580 26365 7 Committees responsible for this British Standard The preparation of this British Standard was entrusted by Technical Committee EPL/46, Cables, wires and waveguides, RF connectors and accessories for cabling and signalling, to Subcommittee EPL/46/1, Communica
4、tion cables, on which the following bodies were represented: AEA Technology British Approvals Service for Cables British Broadcasting Corporation British Cable Makers Confederation British Telecommunications plc ERA Technology Federation of the Electronics Industry London Underground National Superv
5、ising Inspectorate (BSI PC) Society of Cable Telecommunication Engineers Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:03:00 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7878-2:1997 BSI 11-1998i Cont
6、ents Page Committees responsible Inside front cover National foreword ii Foreword 2 PVC sheathing compounds 3 General comment4 List of references Inside back cover Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:03:00 GMT+00:00 2006, Uncontrolled Copy, (c) BS
7、I BS 7878-2:1997 ii BSI 11-1998 National foreword This British Standard has been prepared by Subcommittee EPL/46/1 and is the English language version of HD 624.2 S1:1994 Materials used in communication cables Part 2: PVC sheathing compounds published by the European Committee for Electrotechnical S
8、tandardization (CENELEC). A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-reference
9、 Publication referred toCorresponding British Standard HD 505 seriesBS 6469 series. Insulating and sheathing materials of electric cables Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the HD title page, pages 2 to 4, an inside back cover and a back co
10、ver. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:03:00 GMT+00:00 2006, Uncontrolled Copy
11、, (c) BSI HARMONIZATION DOCUMENT DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT HD 624.2 S1 March 1994 UDC 621.315.3:621.315.616-036.743 Descriptors: Communication cables, sheathing compounds, PVC English version Materials used in communication cables Part 2: PVC sheathing compounds Matriaux utilis
12、s dans les cbles de communication Partie 2: Mlanges en PVC pour gainage Werkstoffe fr Kommunikationskabel Teil 2: PVC-Mantelmischungen This Harmonization Document was approved by CENELEC on 1993-12-08. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the
13、conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical references concerning national implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three officia
14、l versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Commi
15、ttee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1994 Copyright reserved to CENELEC members Ref. No. HD 624.2 S1:1994 E Licensed Copy: London South Bank
16、University, London South Bank University, Fri Dec 08 12:03:00 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7878-2:1997 BSI 11-1998 2 Foreword This Harmonization Document was prepared by CENELEC Technical Committee TC 46X/WG 2, Communication cables. Following a CLC/TC 46X decision during its meeting
17、 on 1992-07-08 and with the approval of the 73rd Technical Board, the text was submitted to the Unique Acceptance Procedure (UAP) in March 1993 and was approved by CENELEC as HD 624.2 S1 on 1993-12-08. The following dates were fixed: For products which have complied with the relevant national standa
18、rd before 1994-12-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 1999-12-01. This document forms part of a series of standards on materials used in communication cables which will include the following parts: Part 1: PVC
19、 insulation compounds; Part 2: PVC sheathing compounds; Part 3: PE insulation; Table 1: Solid; Table 2: Cellular (including foam-skin); Part 4: PE sheathing; Part 5: Polypropylene insulation; Part 6: Flame retardant insulation compounds; Part 7: Halogen free flame retardant thermoplastic sheathing c
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