HD 21 1 S2 A9-1993 AMD 9 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《修改件9 额定电压450 750 V以下的聚氯.pdf

《HD 21 1 S2 A9-1993 AMD 9 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《修改件9 额定电压450 750 V以下的聚氯.pdf》由会员分享，可在线阅读，更多相关《HD 21 1 S2 A9-1993 AMD 9 Polyvinyl Chloride Insulated Cables of Rated Voltages up to and Including 450 750 V Part 1 General Requirements《修改件9 额定电压450 750 V以下的聚氯.pdf（6页珍藏版）》请在麦多课文档分享上搜索。

1、3404583 0058bOb 318 I I HD 21.1 S2/A9 TBI (+ 32 2) 519.68.71 - Fax (+ 32 2) 519.69.19 Issue 1 1993-02-03 I February 1993 I Rua de Stassart. 35 - 6 1050 Bruxelles Teletex 206 2210087 - CENCEi - Tx 172210097 Polyvinyl chloride insulated cables of rated voltages up to and including 4501750 V Part 1: Ge

2、neral requirements Conducteurs et cables 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 Premiere partie: Prescriptions gnrales Related to Directive: 13123lEEC This

3、amendment consists of the following: - Title Page - Common modifications prepared by CENELEC Technical Committee TC 20 date of ratification : 1992-12-09 date of announcement : 1993-03-01 date of latest publication : 1993-09-01 date of withdrawal : 1993-09-01 I LIST OF NATIONAL STANDARDS IS GIVEN OVE

4、RLEAF 3404583 0058607 254 HARMONIZED NATiONAL STANDARDS HO 21.1 52:1990/A9:1393 AT : BE : CH : DE : OK : ES : PNE 21 031 (1) FI : FR : G8 : GR : IE : I5 ; T : LU : YL : NO : PT : SE ; NOS No standard SP Standard in preparation NR Standdrd under revision HARMONIZATION DOCUMENT DOCUMENT DHARMONISATION

5、 i HARHONISIERUNGSDOKUMENT 3L104583 0058b08 190 = HO 21.1 S2/A9 February 1993 UDC 621.315.211.2+621.315.32021.415-036.143.22-777.001.2.002.2 (083.71)(083.73) Descriotors: See HO 21.1 S2:1990 ENGLISH VERSION Polyvinyl chloride insulated cables of rated voltages up to and including 450/150 V Part 1: G

6、eneral requirements Conducteurs et cbles isoles au polychlorure de vinyle, de tension assigne au plus gale C50t750 v Premiere partie: Prescriptions gnrales Polyvinylchlorid-isolierte Leitungen mit Nennsprnnungen bis 450l150 V Teil 1: Allgemeine Anforderungen This amendment A9 modifies the Harmonizat

7、ion Document HD 21.1 S2:1990. It was approved by CENELEC on 1992-12-09. CENELEC members 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 nat

8、ional implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This amendment exists in three official versions (English, French and German). CENELEC members are the national electrotechnical committees of Austria, elgium, Denmark, Finland, France, Germany,

9、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 Europaisches Komitee fur Elektrotechnische Normung Central Secret

10、ariat: rue de Statsart 35, 8-1050 Brussels e1993 Copyright reserved to CENELEC members Ref. No. HO 21.1 52:1990/A9:1993 E 3404583 0058b09 O27 a Page 2 HD 21.1 S2:1990/A9:1993 FOREWORD At the request of the CENELEC Technical Committee TC 20, Electric cables, a draft for an amendment to HD 21.1 S2:199

11、0 was submitted to the CENELEC Unique Acceptance Procedure (UAP) in January 1992. The text of the draft was approved by CENELEC as amendment A9 to HD 21.1 S2 on 9 December 1992. The following dates were fixed: - latest date of announcement of the amendment at national level (doa) 1993-03-01 - latest

12、 date of publication of an identical national standard (dopl 1993-09-01 - latest date of withdrawal of conflicting national standards (daw) 1993-09-01 For products which have complied with HD 21.1 S2:1990 and its amendments before 1993-09-01, as shown by the manufacturer or by a certification body,

13、this previous standard may continue to apply for production until 1994-09-01. 1 W 3404583 0058630 8V W Page 3 HD 21.1 S2:1990/A9:1993 Sub-clause 1.3 Insert additional paragraph at the end of the sub-clause: “For extensible leads the Common Marking, as defined in paragraph one of this sub-clause 1.3

14、is shown by a special mark ( UHARb COIL or OHARW CCCCC) in association with the indication of origin. This mark signifies that the coiling process has been carried out in a controlled manner and that the product will meet the requirements of this HD. The application of this additional mark also sign

15、ifies that the producer of the extensible lead is subject to regular and systematic surveillance by a signatory to the agreement as a condition for use of that mark. Sub-clause 3.1 Insert additional paragraph at the end of the sub-clause. “For extensible leads an additional mark of indication of ori

16、gin sha to identify the coiler. It shall consist of one of the following: be applied 1. An additional embossed mark clearly discernible on the extensible part regardless of any additional processing such as the moulding on of a plug. 2. An additional moulded mark subject to the conditions as in 1 ab

17、ove. 3. The addition of a sleeve bearing a clear and indelible marxing which will remain identifiable during normal use and which must not be removed during any further processing. 4. Additional printing on the ends of the extensible, provided such marking is not obliterated during any subsequent pr

18、ocessing and remains identifiable during normal use.“ Sub-clause 3.1.1 Insert additional paragraph at the end of the the sub-clause: “This requirement shall not apply to the additional marking for extensible leads described in sub-clause 3.1 of this Part“. Sub-Clause 3.4 Insert additional paragraph

19、at the end of the sub-clause. “If under the terms of the abovementioned Agreement the Common Marking for Extensible Leads ( UHARD COIL or OHARb CCCCC) is used it shall consist of one of the alternatives described for extensible leads in sub-clause 3.1, and shall be applied in association with the in

20、dication of origin. a 1 W 3404583 O058611 785 Page 4 HI) 21.1 52:1990/A9:1993 I Insert the following new clauses. 5.6.3.5 Extension tests for extensible leads See Part 2, sub-clauses 3.5.1 and 3.5.2. After the test, and within 30 seconds following the fifth extension, the sample shall return to 4150

21、% of its original closed length for a sample tested before ageing (Part 2, sub-clause 3.5.11, and 4170% of its original closed length for a sample tested after ageing (Part 2, sub-clause 3.5.2). 5.6.3.6 Endurance test for extensible leads See Part 2, sub-clause 3.6 During the test with 30,000 backwa

22、rd and forward movements, i.e. 60,000 single strokes, neither interruption of the current nor short circuit between the conductors shall occur. After the test, the sample shall withstand the voltage test carried out in accordance with Part 2 Sub-clause 2.2. Delete existing clause 5.6.4 and insert th

23、e following: 5.6.4 Tests under Fire Conditions 5.6.4.1 Test for Extensible Leads Extensible leads to Part 10 of this HD shall be tested in accordance with Part 2, sub-clause 4.1. flames shall extinguish completely within 30 seconds. After the removal of the gas burner the 5.6.4.2 Test for all other cables Except for extensible leads, as given in sub-clause 5.6.4.1 of Part 1 of this HD, all the cables shall comply with the test specified in HD405 Part 1.