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1、STD-CENELEC HD 22-L SZ/ALh-ENGL 1795 = 3404583 OLBL5b8 TT7 HARMONIZATION DOCUMENT HD 21.1 SUAI6 DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT June 1995 UDC (621.31 5.21 1.2 + 621.31 5.32)027.475-036.743.22-777.001.2.002.2(083.71)(083.73) ICs 29.060.20 Descriptors: See HD 21.1 S2 English version Po
2、lyvinyl chloride insulated cables of rated voltages up to and including 4501750 V Part 1 : General requirements Conducteurs et cbles isols au polychlorure de vinyle, de tension assigne au plus gale 450/750 V Partie 4 : Prescriptions gnrales Polyvinylchlorid-isolierte Leitungen mit Nennspannungen bis
3、 450/750 V Teil 1 : Allgemeine Anforderungen This amendment A l 6 modifies the Harmonization Document HO 21.1 S2:1990; it was approved by CENELEC on 1995-05-15. CENELEC members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for implementation of this ame
4、ndment on a national level. Up-to-date lists and bibliographical references concerning such national implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This amendment exists in three official versions (English, French, German). CENELEC members are the
5、national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Noway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Norm
6、alisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassari 35, .B - 1050 Brussels * 1995 Copyright reserved to CENELEC members Ref. No. HD 21.1 S2:1990/A16:1995 E Page 2 HD 21.1 S2:1990/A16:1995 4 Foreword 6 6 This amendment was prepared by the T
7、echnical Committee CENELEC TC 20, Electric cables. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as amendment A l 6 to HD 21.1 S2:1990 on 1995-05-1 5. The following dates were fixed: - latest date by which the existence of the amendment has to be
8、announced at national level (doa) 1996-01-01 - latest date by which the amendment has to be implemented at national level by publication of a harmonized national standard or by endorsement (dop) 1996-07-01 - latest date by which the national standards conflicting with the amendment have to be withdr
9、awn (dw) 1996-07-01 For products which have complied with HD 21.1 S2:1990 and its amendments A5: 1990 to A l 5:1925 before 1996-07-01, as shown by the manufacturer or by a certification body, this previous standard may continue to apply for production until 1997-07-01. Introduce in Table JI, a new c
10、olumn 6 for compound Type TM 5 and renumber the existing columns accordingly. The tests and requirements for compound TM 5 shall comply with those given in column 5 for compound TM 2 with the following additional requirement. 1 Ref. No. 9. 9.1 9.1.1 9.1.2 2 Tests Mechanical properties after immersio
11、n in mineral oil Test conditions - temperature of oil - duration of immersion in oil Value to be obtained for the tensile strength: - variation, I., max. Value to be obtained for the elongation at break: - variation I*, rnax 3 Unit - OC h %J % T v m of com1 ,. TM 1 TM 2 ind TM 5 90f2 7x24 f 30 i 30 7 I 8 Test method HD 605.2.1 Clause 10 I* Variation: difference between the median value after ageing and the median value without ageing, expressed as a percentage of the latter. -,-,-