1、INFORMATLON l CENELEC/ SHEET Aue de Stassart. 35 - 1050 eruxelles Teletex 206 2210097 - CENCEL - Tx 172210097 TBI.: (+ 32 2) 519.68.71 - Fax: (+ 32 2) 519.69.19 I s sue 1 HO 21.1 S2/A6 1991-06-12 I April 1991 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V Part 1:
2、 General requirements Conducteurs et cbles isols au polychlorure de vinyle, de tension nominale au plus gale 450/750 V Conducteurs et cbles isoles au polychlorure de vinyle de tension nominale au plus gale 450/750 V Premire partie: Prescriptions genrales RO: IEC 227-1:1979; IEClSC 208 (not appended)
3、 Polyvinylchlorid-isolierte Leitungen mit Nennspannungen bis 450i750 V Isolierte Starkstromleitungen mit einer Isolierung aus thermoplastischem Kunststoff auf Basis won Polyvinylchlorid (PVCI mit Nennspannungen bis 450/7SO V Teil 1: Allgemeine Anforderungen This amendment consists of the following:
4、- Title Page Related to Directive: 73/23/EEC - Text prepared by CENELEC Technical Committee TC 20 date of ratification : 1991-03-15 date of announcement : 1991-09-01 date of latest publication : 1992-03-01 date of withdrawal : 1992-03-01 LIST OF NATIONAL STANDARDS IS GIVEN OVERLEAF 7 W 3404583 0017L
5、L2 5 W I HARMONIZED NATIONAL STANOAROS HO 21.1 S2:1990/A6:IY91 AT : BE : CH : OE : OK : ES : FI : FR : G : GR : IE : IS : IT : LU : NOS NL : NO PT SE HARMONISIERUNGSDOKUMENT April 1991 UDC (621.315.211.2+621.315.32027.75-036.743.22-777.001.2.002.2 (083.71)(083.73) Descriptors: see overleaf ENGLISH V
6、ERSION POLYVINYL CHLORIDE INSULATED CABLES OF RATED VOLTAGES UP TO AND INCLUDING 4501750 V PART 1: GENERAL REQUIREMENTS (IEC 227-1:1979, modified) Conducteurs et cbles isoles au polychlorure de vinyle, de tension nominale au plus gale a 4501750 V Conducteurs et cbles isoles au palychlorure de vinyle
7、 de tension nominale au plus egale a 4501750 V Premire partie: Prescriptions gnrales (CE1 227-1:1979, modifie) Polyvinylchlorid-isolierte Leitungen mit Nennspannungen bis 4501750 V Isolierte Starkstromleitungen mit einer Isolierung aus thermoplastischem Kunststoff auf Basis von Polyvinylchlorid (PVC
8、I mit Nennspannungen bis 4501750 V Teil 1: Allgemeine Anforderungen (IEC 227-1:1979, modifiziert) 1 This amendment modifies the Harmonization Document HD 21,l S2:1990. It was approved by CENELEC on 1991-03-15. CENELEC members are bound to comply with the CEN/CENELEC Inernal Regulations which stipula
9、te 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 any CENELEC member. This amendment exists in three official versions (English
10、, French and German). versions. 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 Committee f
11、or Electrotechnical Standardization Comite Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, 6-1050 Brussels 1991 Copyright reserved to CENELEC members Ref. No. HD 21,l S2:1990/A6:1991 E ?ac;e 2 HD 21.1 S2:1990/A6:1391
12、 Descriptors :Conductor, cable, flexible cable, rigid cable, single core cable, multicore cable, conductor material, flat cable, tinsel cord, compound, polyvinyl chloride, insulation compound, type test, sample test, routine test, nominal voltage, mark, common marking, identification, colour scheme,
13、 construction, insulation, filler, sheath, covering, internal covering, extruded covering, thickness, mean value, specified value, electrical resistance, test, tensile strength, elongation at break, ageing, loss of mass, non contamination, heat shock, pressure, high temperature, low temperature, elo
14、ngation ab low temperature, complete cable, overall dimension, bending, flexing,voltage test, insulation resistance, absence of short circuits, spark (test), snatch (tesk) , separation of coces, test (under) fire (conditions), guide to use FOREWORD Following a decision taken by CENELEC Technical Com
15、mittee TC 20, an amendment to HD 21.1 S2:1990 was submitted to the CENELEC Unique Acceptance Procedure (UAP) in June 1990 for acceptance as an amendment .to the Harmonization Document. The text of the draft, prepared by CLC/TC 28, was approved by CENELEC as amendment 6 to HD 21.1 S2 on 15 March 1991
16、, The following dates were fixed: - latest date of announcement of the amendment at national level (doa) 1991-09-01 - latest date of publication of an amendment to the harmonized national standard (dop) 1992-03-01 - latest date of withdrawal of conflicting national standards (dow) 1992-03-01 For pro
17、ducts which have complied with HB 21.1 S2:1990 before 1992-03-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 1993-09-01. Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is
18、normative. 3404583 80i17l115 O Amendment 6 to HD 21.1 S2 Replace sub-clause 3.1.1 by the following: 3.1.1, Continuity of Marks Each specified mark shall be regarded as continuous if the distance between the end of the mark and the beginning of the next identical nark does not exceed: 550 mrn if the
19、marking is on the outer sheath of the cable. 275 mm if the marking is: (i) on the insulation of an unsheathed cable (ii) on the insulation of a sheathed cable (iii) on a tape within a sheathed cable NOTE: A “Specified Mark“ is any mandatory mark covered by this Part of the HD or by the particular re
20、quirements of Part 3 onwards of this HD, or the optional common marking (OHARG). The diagram below shows an example of the marking as used on the insulation of an unsheathed cable. 1. 275 I EUROKABEL A v UROKABEL A6 ._ Sz;tr 4 HD 21.1 S2:1930/A6:1991 ANNEX ZA (normative) OTHER INTERNATIONAL PUBLICAT
21、IONS QUOTED IN THIS STANDARD WITH THE REFERENCES OF THE RELEVANT EUROPEAN PUBLICATIONS TJhen the international publication has been modified by CENELEC common modifications, indicated by (mod) , the relevant EN/HD applies. PEC Publication Date Titel EN/HD 173 1964 Colours of the cores of flexible ca
22、bles HD 27 S1 1974 and cords 228 1978 Conductors of insulated cables HD 383 S1* 1979 332-1 1979 Tests on electric cables under ire HD 405.1 S1 1983 conditions - Part 1: Test on a single vertical insulated wire or cable 540 1982 Test methods for insulation and sheaths HD 385 S2 1986 of electric cables and cords (elastomeric and thermoplastic compounds) * Superseded by: IEC 228:1978 + Conductors of insulated cables HD 363 S2:1986 IEC 228A:1982 mod First supplement: Guide to the dimensional + Al:1989 limits of circular conductors
