HD 21 1 S2 A12-1993 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《额定电压450 750 V(包括450 750V)以下的.pdf

《HD 21 1 S2 A12-1993 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《额定电压450 750 V(包括450 750V)以下的.pdf》由会员分享，可在线阅读，更多相关《HD 21 1 S2 A12-1993 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《额定电压450 750 V(包括450 750V)以下的.pdf（4页珍藏版）》请在麦多课文档分享上搜索。

1、- CENELEC Ru, do StadMrt. 35 - e 1050 aruxsffra T6I.: (+ 32 2) 519.68 71 - Fax: (+ 32 2) 519.6S.19 T-letrx 208 2210097 - CENCEL - Tr 172210097 lissue 1 1993-08-11 I August 1993 Polyvinyl chloride insulated cables of rated voltages up to and including 4501750 V Part 1: General requirements Conducteur

2、s et cibles isoles au Polyvinylchlorid-isolierte Leitungen polychlorure de vinyle, de tension mit Nennspannungen bis 4501750 V assignee au plus egale a 4501750 V Teil 1: Allgemeine Anforderungen Premire partie: Prescriptions gnrales Related to Directive: ?3/23/EEC This amendment consists of the foll

3、owing: - Title Page - Text prepared by CENELEC Technical Committee TC 20 date of ratification : 1993-07-06 date of announcement : 1994-03-01 date of latest publication : 1994-09-01 date of withdrawal : 1994-09-01 LIST OF NATIONAL STANDARDS IS GIVEN OVERLEAF HARMONIZED NATIONAL STANDARDS 3404583 0107

4、468 264 HO 21.1 S2:1990/A12:1993 AT : BE : CH : DE : OK : ES : FI : FR : GB : CR : IE : IS : IT : LU : NL : NO : PT : SE : NOS No standard SP Standard in preparation NR Standard under revision r DOCUHENT DHARMONISATION HARMONISIERUNGSDOKUHE“ 3404583 0307469 LTO HD 21.1 SZfA12 August 1993 UDC 621.315

5、.211.2*621.315.3202?.475-036.753.22-777.001.2.002. (083.711083.73) Descriptors: See HO 21.1 S2:1990 ENGLISH VERSION Polyvinyl chlorido insulated cables of rated voltages up to and including 4501750 V Part 1: General requirements Conducteurs et cables isoles Polyvinylchlorid-isolierte au polychlorure

6、 de vinyle, de Leitungen mit Nennspannungen bis tension assigne au plus gale i 4501750 V 4501750 V Teil 1: Allgemeine Anforderungen Premiere partie: Prescriptions gnrales This amendment A12 modifies the Harmonization Document HD 21.1 S2:1990. It was approved by CENELEC on 1993-07-06. CENELEC members

7、 are bound to comply with the CEN/CENELEC Inernal Regulations which stipulate the conditions for implementation of this amendment 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 an

8、y CENELEC member. This amendment exists in three official versions (English, French and German). CENELEC members are the national electrotechnical conunittees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sw

9、eden, Switzerland and United Kingdom. CENELEC European Conmittee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europaisches Komitee fr Elektrotechnische Normung Central Socrotariat: ruo do Startart 35, B-1050 Brussels 01993 Copyright reserved to CENELEC members

10、 Ref. No. HD 21:l S2:1990/A12:1993 E 3404583 0307470 932 Page 2 HD 21.1 S2:1990/A12:1993 FOREWORD Following a decision taken by CENELEC Technical Committee TC 20, Electric cables, an amendment to HD 21.1 S2:1990 was submitted to the CENELEC Unique Acceptance Procedure (UAP) in October 1992 for accep

11、tance as an amendment to the Harmonization Document. The text of the draft was approved by CENELEC as an amendment A12 to HD 21.1 S2 on 6 July 1993. The following dates were fixed: - latest date of announcement of the amendment at national level - latest date of publication of a harmonized national

12、standard - latest date of withdrawal of conflicting national standards (doa) 1994-03-01 (dop) 1994-09-01 (daw) 19 94-09-01 For products which have complied with HD 21.1 S2:1990 and its amendments before 1994-09-01, as shown by the manufacturer or by a certification body, this previous standard may c

13、ontinue to apply for production until 1995-09-01. Delete the existing sub-clause 5.6.3.1 and insert the following: 5.6.3.1 Flexing test for flexible cables See Part 2 sub-clause 3.1. During the test with 30 O00 cycles, i.e. 60 O00 single movements, neither interruption of the current, short circuit

14、bestween the conductors nor short circuit between the cables and pulleys (the flexible apparatus) shall occur. After the required number of cycles the sheath of the cable, if any, shall be removed. The cores shall then withstand the voltage test carried out in accordance with Part 2, sub-clause 2.3. i “E -