BS 50290
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
D r
a f t
f o
r v
o t e
FINAL DRAFT EUROPEAN STANDARD pr EN 50290-2-27
NORME EUROPÉENNE EUROPÄISCHE NORM
September 2000
CENELEC
European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2000 CENELEC -All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. prEN 50290-2-27:2000 E
ICS
Will supersede HD 624.7 S1:1994
English version
Communication cables
Part 2-27: Common design rules and construction - Halogen free flame
retardant thermoplastic sheathing compounds
Câbles de communication
Partie 2-27: Règles de conception
communes et construction - Mélanges de gainage thermoplastiques sans halogène et avec propagation retardée de flamme
(to be completed)
This draft European Standard is submitted to CENELEC members for Unique Acceptance Procedure.It has been drawn up by Technical Committee CENELEC TC 46X.
If this draft becomes a European Standard, CENELEC 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.
This draft European Standard was established by CENELEC 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 Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,Portugal, Spain, Sweden, Switzerland and United Kingdom.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard.
D r
a f t
f o
r v
o t e
prEN 50290-2-27:2000- 2 -
Foreword
This European Standard was prepared by the joint working group of Technical Committee CENELEC TC 86A,Optical fibres and optical fibre cables and Technical Committee CENELEC TC 46X, Communication cables.This European Standard has been prepared under the European Mandate M/212 given to CENELEC by the European Commission and the European Free Trade Association.This draft will supersede HD 624.7 S1:1994.It is submitted to the Unique Acceptance Procedure.The following dates are proposed:-latest date by which the existence of the EN has to be announced at national level
(doa)2002-02-01
-latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement
(dop)2002-08-01-
latest date by which the national standards conflicting with the EN have to be withdrawn
(dow)
2004-08-01
Annexes designated "normative" are part of the body of the standard.In this standard, annex A is normative.