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1、, . GENF1 F= i . Rue dr Staseart. 35 - i0S0 Bruxelleo Tbl.: (+ 32 2) 519.68.71 - FM: (+ 32 2) 519.69.19 Teletex 206 2210097 - CENCEL - TX 172210097 Polyvinyl chloride insulated cables o f rated voltages up to and including 4501750V Part 7: Single core non-sheathed cables for internal wiring for a co
2、nductor temperature o f 9OC INFORMATION SHEET HO 21.7 SlIA1 Issue 1 1992-04-03 April 1992 . Conducteurs et cbles isols au polychlorure de vinyle, de tension assignee au plus gale 4501750 V Septime partie: Conducteurs pour une temprature de lme de 9OC, pour filerie interne Polyvinylchlorid-isolierte
3、Leitungen mit Nennspannungen bis 450J750 V. Teil 7: Einadrige Leitungen ohne Mantel fr die innere Verdrahtung mit einer hchstzulassigen Betriebstemperatur am Leiter von 9oc Related to Directive: 73123lEEC This amendment consists of the following: - Title Page - Text prepared by CENELEC technical com
4、mittee TC 20 date of ratification : 1992-03-24 date of announcement : 1993-01-01 date of withdrawal : 1993-07-01 date of latest publication : 1993-07-01 LIST OF NATIONAL STANDARDS IS GIVEN OVERLBAF Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with C
5、ENELECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 11/04/2008 02:11:13 MSTNo reproduction or networking permitted without license from IHS -,-,- HARMONIZED NATIONAL STANDARDS MI 34614583 0037020 L HO 2 1 . 7 S 1 : 1 9 9 0 / A 1 : 1 9 9 2 AT : BE : CH : DE : OK : ES : FI : FR :
6、G B : GR : I E : IS : I T : LU : Ni. : NO : P T : SE : NOS No standard SP Standard i n preparation NR Standard under r e v i s i o n Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for
7、Resale, 11/04/2008 02:11:13 MSTNo reproduction or networking permitted without license from IHS -,-,- HARMONIZATION DOCUMENT DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT E 3484583 0037023 3 HD 21.7 Sl/Al April 1992 UDC 6 2 1 . 3 1 5 . 3 : 6 2 1 . 3 1 5 . 6 1 6 : 6 2 1 . 3 . 0 2 7 . 2 6 7 . 5 Desc
8、riptors: Insulated cable, polyvinyle chloride ENGLISH VERSION POLYVINYL CHLORIDE INSULATED CABLES OF RATED VOLTAGES UP TO AND INCLUDING 450/750 V - PART 7: SINGLE CORE NON-SHEATHED CABLES FOR INTERNAL WIRING FOR A CONDUCTOR TEMPERATURE OF 9OC Conducteurs et cbles isoles Polyvinylchlorid-isolierte au
9、 polychlorure de vinyle, de Leitungen mit Nennspannungen bis tension assigne au plus gale 4501750 V - Teil 7: Einadrige 4501750 V - Septime partie: Leitungen ohne Mantel fr die Conducteurs pour une temperature innere Verdrahtung mit einer de lme de 9OC, pour filerie hchstzulassigen interne Betriebst
10、emperatur am Leiter von 9oc This amendment modifies the Harmonization Document HO 21.7 S1:1990. It was approved by CENELEC on 1992-03-24. CENELEC members are bound to comply with the CEN/CENELEC Inernal Regulations which stipulate the conditions for implementation of this amendment on a national lev
11、el. 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 ln three official versions (English, French and German). CENELEC members are the national electrotechnical
12、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 for Electrotechnical Standardization Comi t 6 E u rope en d e Nor ma 1 i s . a ti o
13、n Electro t e c h n iq u e Europaisches Komitee fr Elektrotechnische Normun2 Central Secretariat: rue de Stassart 35, 8-1050 Brussels 0 1 9 9 2 Copyright reserved to CENELEC members - HD 21.7 S1:1990/A1:1992 E Copyright European Committee for Electrotechnical Standardization Provided by IHS under li
14、cense with CENELECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 11/04/2008 02:11:13 MSTNo reproduction or networking permitted without license from IHS -,-,- E 3404583 0037022 5 Page 2 HD 21.7 S1:1990/A1:1992 FOREWORD Following a decision taken by CENELEC Technical Committee TC
15、20 at their meeting in Vienna in November 1990, a draft for an amendment to - HD 21.7 S1:1990 was submitted to the CENELEC Unique Acceptance Procedure (UAP) in July 1991. The text of the draft was approved by CENELEC as amendment Al to HD 21.7 S1:1990 on 24 March 1992. The following dates were fixed
16、: - latest date of announcement of the amendment at national level (doa) 1993 -01-01 - latest date of publication of an identical national standard (dop) 1993-07-01 - latest date of withdrawal of conflicting national standards (dow) 1993-07-01 For products which have complied with HD 21.7 S1:1990 be
17、fore 1993-07-01, as shown by the manufacturer or by a certification body, this previous standard may continue t o apply for production until 1994-07-01. Amendment A l to HD 21.7 Claus. 1 scope In Line 2, delete of rated voltages Uo/U 300/600V Table 1 Delete 1.6 and 2.6mm2 types for both H06V2-U and
18、H06V2-K Table 2 Renumber reference 1.4 as 1.6, and introduce new line as follows: 1.4 Long term resistance of insulation to d.c. T 21.2 2.6 Clause 3 Add new Clause 3 Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECLicensee=IHS Employees/111
19、1111001, User=Japan, IHS Not for Resale, 11/04/2008 02:11:13 MSTNo reproduction or networking permitted without license from IHS -,-,- = 3q04583 0037023 7 3. Page 3 HD 21.7 S1:1990/A1:1992 SINGLE CORE NON-SHEATHED CABLES FOR INTERNAL WIRING FOR A CONDUCTOR TEMPERATURE OF 90C 3 . 1 CODE DESIGNATION H
20、07V2-U with solid conductor H07V2-K with flexible conductor 3 . 2 RATED VOLTAGE 460l760V 3 . 3 CONSTRUCTION 3 . 3 . 1 CONDUCTOR Number of conductors: 1 The conductor shall comply with the requirements given in HD 383: Class 1 for solid conductors Class 6 for flexible conductors 3.3.2 INSULATION The
21、insulation shall be polyvinyl chloride compound of the type TI 3, applied around each conductor. The insulation thickness shall comply with the specified value given in Part 7, Table 111, column 3 . The insulation resistance at 9O0C shall not be less than the velues given in Part 7, Table 111, colum
22、n 6. 3.3.3 OVERALL DIAMETER The mean overall diameter shall not exceed the upper limit given in Part 7, Table 111, column 4. 3.4 TESTS Compliance with the requirements of Part 7, Clause 3.3 shall be checked by inspection and by the tests given in Part 7, Table IV. 3.6 INDICATION OF ORIGIN AND TEMPER
23、ATURE MARKING In addition to the general requirement of Part 1, Clause 3 a continuous marking indicating temperature shall be applied using symbol V2 (indicating the maximum admissible conductor temperature) by printing, indenting or embossing on the insulation. 3 . 6 GUIDE TO USE See Appendix 1 to
24、Part 1 of this HD. Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 11/04/2008 02:11:13 MSTNo reproduction or networking permitted without license from IHS -,-,- 3404583 0037
25、024 9 Page 4 HD 21.7 S1:1990/A1:1992 TABLE 111 General Data for Types H07V2-U and H07V2-K Type of cable H07V2-K 2 Nominal cross- sectional areas of conductor mm2 1.6 2.6 1.6 2.6 3 Insulation thickness specified value mm O. 7 0.8 0.7 O. 8 4 Mean overall diameter upper limit mm 3 . 3 3 . 9 3 . 6 4.2 6
26、 Minimum insulation resistance at 90C Mohm. km 0.01 1 0.010 0.01 o 0.009 Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 11/04/2008 02:11:13 MSTNo reproduction or networking
27、 permitted without license from IHS -,-,- Page 5 HD 21.7 S1:1990/A1:1992 4 1 Ref. No. 1. 1.1 1.2 1.3 1.4 1.6 2. 2.1 2.2 2.3 3. 3.1 3.2 3.3 4. 6. 6.1 6. 7. 8. 6 TABLE IV TESTS FOR TYPE H07V2-U, AND TYPE H07V2-K Tests ELECTRICAL TESTS Resistance of conductor Voltage test on completed cable at 2600V In
28、sulation resistance at 90C Long term resistance of insulation to d.c. Check absence of faults on insulation PROVISIONS COVERING CONSTRUCTION & DIMENSIONAL CHARACTERISTICS Checking of compliance with constructional provisions Measurement of thickness of insulation Measurement of overall diameter MECH
29、ANICAL PROPERTIES OF INSULATION Tensile test before ageing Tensile test after ageing Loss of mass test PRESSURE TEST AT HIGH TEMPERATURE TESTS AT LOW TEMPERATURE Bending test on insulation HEAT SHOCK TEST THERMAL STABILITY AT 2OOOC TEST UNDER FIRE CONDITIONS 3 Category T, S T, S T T R T, S T, S T, S
30、 T T T T T T T T desi HD 21.2 21.2 21.2 21.2 21.2 21.1 21.2 21.2 606.1.1 606.1.1 606.3.2 606.3.1 606.1.4 606.3.1 606.3.2 406.1 bed in Clause 2.1 2.2 2.4 2.6 2.6 Inspection and manual tests 1.9 1.1 1 9.1 8.1 8.1 8.1 8.1 9.1 9 Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELECLicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 11/04/2008 02:11:13 MSTNo reproduction or networking permitted without license from IHS -,-,-