BS-7878-3-1997.pdf
《BS-7878-3-1997.pdf》由会员分享,可在线阅读,更多相关《BS-7878-3-1997.pdf(12页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD BS 7878-3: 1997 Materials used in communication cables Part 3: PE insulation ICS 29.040.20 Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:02:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7878-3:1997 This British Standard, having been prep
2、ared 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 for comment 95/201758 DC I
3、SBN 0 580 26366 5 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, Communication cables, on which th
4、e 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 Supervising Inspectorate (BSI
5、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 12:02:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 7878-3:1997 BSI 11-1998i Contents Page Committees res
6、ponsibleInside front cover National forewordii Foreword2 Table 1 PE solid insulation compounds3 Table 2 PE cellular insulation (including foam-skin)5 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:02:54 GMT+00:00 2006, Unc
7、ontrolled Copy, (c) BSI BS 7878-3:1997 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 624.3 S1:1994 Materials used in communication cables, Part 3: PE insulation including Amendment A2:1994 (there is no amen
8、dment A1), published by the European Committee for Electrotechnical Standardization (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
9、not of itself confer immunity from legal obligations. Cross-reference 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
10、, the HD title page, pages 2 to 6, an inside back cover and a back cover. 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 B
11、ank University, Fri Dec 08 12:02:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI HARMONIZATION DOCUMENT DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT HD 624.3 S1 March 1994 + A2 November 1994 UDC 621.315.3:621.315.616-036.742 Descriptors: Communication cables, insulation compounds, solid polyethylen
12、e English version Materials used in communication cables Part 3: PE insulation (includes amendment A2:1994) Matriaux utiliss dans les cbles de communication Partie 3: Polythylne pour enveloppes isolantes (inclut lamendement A2:1994) Werkstoffe fr Kommunikationskabel Teil 3: PE-Isoliermischungen (ent
13、hlt nderung A2:1994) This Harmonization Document was approved by CENELEC on 1994-03-08. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliograph
14、ical references concerning national implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Bel
15、gium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr E
16、lektrotechnische Normung Central Secretariat: rue de Stassart 35, B-1050 Brussels 1994 Copyright reserved to CENELEC members Ref. No. HD 624.3 S1:1994 + A2:1994 E Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 12:02:54 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
17、 BS 7878-3:1997 2 BSI 11-1998 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 on 1993-01-13 and with the approval of the 73rd Technical Board, the text was submitted to the Unique A
18、cceptance Procedure (UAP) in March 1993 and was approved by CENELEC as HD 624.3 S1. A draft amendment to the HD was submitted to the formal vote in December 1993. At the request of CLC/TC 46X, the text of this draft was approved by CENELEC for inclusion in the HD on 1994-03-08. The following dates w
19、ere fixed: For products which have complied with the relevant national standard before 1995-07-15, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 2000-07-15. This document forms part of a series of standards on materials use
20、d in communication cables which will include the following parts: Part 1: PVC 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 insulat
21、ion compounds; Part 7: Halogen free flame retardant thermoplastic sheathing compounds; Part 8: Filling compounds for filled cables. The different parts include specific requirements for communication cables; common characteristics are aligned as far as possible on existing Harmonization Documents, i
22、f any, and in as far as these may apply to communication cables. Foreword to Amendment A2 This amendment to the Harmonization Document was prepared by WG 2 of CENELEC Technical Committee TC 46X, Communication cables. It was submitted to the Unique Acceptance Procedure (UAP) in December 1993 and was
23、approved by CENELEC as amendment A2 to HD 624.3 S1 on 1994-07-05. NOTEThere is no amendment A1 to HD 624.3 S1. The following dates were fixed: latest date of announcement of the HD at national level(doa) 1994-09-15 latest date of publication of a harmonized national standard(dop) 1995-07-15 latest d
24、ate of withdrawal of conflicting national standards(dow) 1995-07-15 latest date of announcement of the amendment at national level(doa) 1995-01-15 latest date of publication of a harmonized national standard(dop) 1995-07-15 latest date of withdrawal of conflicting national standards(dow) 1995-07-15
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS 7878 1997
链接地址:https://www.31doc.com/p-3736199.html