HD 22 9 S2-1995 Rubber Insulated Cables of Rated Voltages up to and Including 450 750 V Part 9 Single Core Non-Sheathed Cables for Fixed Wiring Having Low Emiss.pdf

1、CENELEC HD*22*7*S2 75 3q04583 OL5Y507 663 = HARMONIZATION DOCUMENT HD 22.9 S2 DOCUMENT DHARMONISATION HARMONISIERUNGSDOKUMENT June 1995 iCS 29.060.20 Supersedes HD 22.9 S1:1992 Descriptors: insulated cable, insulated conductor, rubber, fire performance, test, specification, construction English vers

2、ion Rubber insulated cables of rated voltages up to and including 450/750 V Part 9: Single core non-sheathed cables for fixed wiring having low emission of smoke and corrosive gases Conducteurs et cbles isols au caoutchouc de tension assigne au plus gale 450/750 V Partie 9: Cbles monoconducteurs san

3、s gaine pour installation fixe, ayant une faible mission de fume et de gaz corrosifs Gasen im Brandfall Isolierte Starkstromleitungen mit einer Isolierupg aus Gummi mit Nennspannungen bis 450/750 V Teil 9: Einadrige Leitungen ohne Mantel fr feste Verlegung mit geringer Entwicklung von Rauch und korr

4、osiven This Harmonization Document was approved by CENELEC on 1995-05-1 5. CENELEC members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for implementation of this Harmonization Document on a national level. Up-to-date lists and bibliographical reference

5、s concerning such national implementation may be obtained on application to the Central Secretariat or to any CENELEC member. This Harmonization Document exists in three official versions (English, French, German). CENELEC members are the national electrotechnical committees of Austria, Belgium, Den

6、mark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Eiectrotechnique Europisches Komitee fr Elektrotec

7、hnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 1995 Copyright reserved to CENELEC members Ref. No. HD 22.9 S2:1995 E Page 2 HD 22.9 S2:1995 Fore word HD22 was originally adopted by CENELEC on 9th July 1975. Edition 2 of HD22 was implemented on 1 st January 1984, and at th

8、at time contained four parts. Since 1984, new parts have been published, original parts amended, and in addition HD 505 has superseded HD 385 as the cross-reference for test methods. This Edition 2 of HD 22.9 has been introduced to cover agreed amendments and the complete revision of the overall dim

9、ensions in line with EN 60719, and was approved by TC20 at its Helsinki meeting in May 1994. HD22 now has the following parcs: HD22.1 S2 - HD22.2S2 - HD22.3S3 - HD22.4S3 - HD22.6S2 - HD22.7S2 - HD22.5 - HD22.8S2 - General requirements (with AM1 to AM101 Test methods (with AM1 to AM4 inclusive) Heat

10、resistant silicone rubber insulated cables Cords and flexible cables (Sparel Arc welding cables Cables with increased heat resistance for internal wiring for a conductor temperature of 11ooc Polychloroprene or equivalent synthetic elastomer sheathed cable for decorative chains HD 22.9 S2 - HD 22.1 O

11、 S1 - HD 22.1 1 S1 - EVA cords and flexible cables HD 22.12 S1 - HD 22.1 3 S1 - HD 22.14 S1 - Cords for applications requiring high flexibility Single-core non-sheathed cables for fixed wiring having low emission of smoke and corrosive gases EPR insulated and polyurethane sheathed cables Heat resist

12、ant EPR cords and flexible cables Single and multicore flexible cables, insulated and sheathed with crosslinked compound and having low emission of smoke and corrosive gases In order that this revision of Part 9 of HD 22 does not introduce unnecessary changes to long-established clause numbers, the

13、Normative References (which would otherwise be inserted as clause 2) are given in Annex A. This Harmonization Document was prepared by the Technical Committee CENELEC TC 20, Electric cables. The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC as HD 22.9

14、 S2 on 1995-05-1 5. The following dates were fixed: - latest date by which the existence of the HD - latest date by which the HD has to be implemented has to be announced at national level at national level by publication of a harmonized national standard or by endorsement with the HD have to be wit

15、hdrawn - latest date by which the national standards conflicting (doa) 1996-01 -01 (dop) 1996-07-01 (dew) 1996-07-01 For products which have complied with HD 22.9 S1:1992 before 1996-07-01 , as shown by the manufacturer or by a certification body, this previous standard may continue to apply for pro

16、duction until 1997-07-01. 1. 2. 3. 4. 5. Scope Page 3 HD 22.9 S2:1995 CONTENTS PAGE Single core non-sheathed cable with rigid conductors for general purposes 2.1 Code designation 2.2 Rated voltage 2.3 Construction 2.4 Tests 2.5 2.6 Guides to use (informative) Indication of origin and fire performanc

17、e marking Single core non-sheathed cable with flexible conductors for general purposes 3.1 Code designation 3.2 Rated voltage 3.3 Construction 3.4 Tests 3.5 3.6 Guides to use (informative) Indication of origin and fire performance marking Single core non-sheathed cable with rigid solid conductor for

18、 internal wiring 4.1 Code designation 4.2 Rated voltage 4.3 Construction 4.4 Tests 4.5 4.6 Guides to use (informative) Indication of origin and fire Performance marking Single core non-sheathed cable with flexible conductor for internal wiring 5.1 Code designation 5.2 Rated voltage 5.3 Construction

19、5.4 Tests 5.5 5.6 Guides to use (informative) Indication of origin ant, fire performance mai Annex A: Normative references (normative) Annex B: Bibliography (informative) 4 4 8 11 11 11 11 11 12 12 14 14 14 14 14 15 15 17 18 Page 4 HD 22.9 S2:1995 1. ScoDe This particular part (Part 9) of the HD det

20、ails the specifications for rubber insulated single core non- sheathed cables for fixed wiring of rated voltage up to and including 450/750V and having low emission of smoke and corrosive gases. All cables shall comply with the appropriate requirements in Part 1 and the individual types of cable sha

21、ll comply with the particular requirements of this Part of HD 22. NOTE: The overall dimensions of the cables to this Part of HD 22 have been calculated in accordance with EN 6071 9. 2. Sinale core non-sheathed cable with riaid conductors for aeneral DurDoses 2.1 Code designation H07Z-U for cables wi

22、th solid conductors. H07Z-R for cables with stranded rigid conductors. 2.2 Rated voltage 450/750V NOTE: 600/1 OOOV when this cable is used in fixed installations with mechanical protection, within switchgear and control gear - see HD 516. 2.3 Construction 2.3.1 Conductor Number of conductors : 1 The

23、 conductors shall comply with the requirements of HD 383: Class 1 Solid conductor Class 2 Stranded conductors The wires may be plain or tinned. 2.3.2 Separator A separator of suitable material may be applied around the conductor. 2.3.3 Insulation The insulation shall be a polyolefin based cross-link

24、ed material, Type EI 5, applied around the conductor by extrusion in one or two layers. The insulation thickness shall comply with the specified value given in Part 9 Table I column 3. CENELEC HD*EE*7*S2 75 3404583 OL545LL 094 R Page 5 HD 22.9 S2:1995 The insulation resistance shall not be less than

25、 the value given in Part 9 Table I column 6. NOTE: The requirements for EI 5 define that it shall comply with HD 602 in respect of emission of acidic (corrosive) gases when burned. The properties of EI 5 should not conflict with the requirement for cable to this Part of HD 22 in respect of low emiss

26、ion of smoke. 2.3.4 Overall diameter The mean overall diameter shall be within the limits given in Part 9, Table I, columns 4 and 5. 2.3.5 Smoke emission of cable When tested in accordance with the method and procedure given in HD 606, all sizes of cable in this Part 9 of HD 22 shall exceed 60% ligh

27、t transmittance throughout the test. 2.4 Tests Compliance with the requirements of Part 9 sub-clause 2.3 shall be checked by inspection and by the tests given in Part 9 Table II. 2.5 Indication of origin and fire performance marking In addition to the general requirements of Part 1, Clause 3, a cont

28、inuous marking indicating fire performance shall be applied, by printing, indenting or embossing on the insulation, using symbol 2, indicating cable having low emission of smoke and acidic (corrosive) gases when burned . * This is verified by tests specified in the document. 2.6 Guides to use (infor

29、mative) See HD 516. CENELEC HD*22.9*S2 95 3Li04583 0154512 T20 W 4 Page 6 HO 22.9 S2: 1995 6 TABLE I General Data for Types H07Z-U and H07Z-R 1 Nominal cross- sectional area of conductor mmz 1.6 1.5 2.6 2.6 4 4 6 6 10 10 16 26 36 60 70 96 120 160 186 240 300 400 2 Class of conductor (HD 383) 1 2 1 2

30、 1 2 1 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 3 Thickness of insulation. Specified value mm 0.7 0.7 O. 8 0.8 0.8 0.8 0.8 0.8 1 .o 1 .o 1 .o 1.2 1.2 1.4 1.4 1.6 1.6 1.8 2.0 2.2 2.4 2.6 lower limit mm 2.6 2.7 3.2 3.3 3.6 3.8 4.1 4.3 6.3 6.6 6.4 8.1 9.0 10.6 12.1 14.1 16.6 17.3 19.3 22.0 24.6 27.5 upper limit m

31、m 3.3 3.4 4.0 4.1 4.6 4.7 6.2 6.4 6.6 7.0 8.0 10.1 11.3 13.2 16.1 17.6 19.4 21.6 24.1 27.6 30.6 34.3 6 Minimum insulation resistance at 9ooc“ MQ.km) 0.01 1 0.01 o 0.010 0.009 0.0086 0.0077 0.0070 0.0065 0.0070 0.0066 0.0060 0.0060 0.0043 0.0043 0.0035 0.0036 0.0032 0.0032 0.0032 0.0032 0.0030 0.0028

32、 (1 I The values of insulation resistance were calculated using the following formula, and based on a volume resistivity of 1 x lo8 f2.m at 90C. R = 0.0367 log D/d where: R D d = insulation resistance in MfLkm at 90C. = Nominal diameter over insulation (mml = Diameter of the circumscribed circle of

33、the conductor (mm) CENELEC HD*22.9*SZ 95 3404583 OL54513 967 = Page 7 HD 22.9 S2:1995 TABLE II Tests for Types H07Z-U and H07Z-R 2 Tests Electrical tests Resistance of conductors Voltage test on completed cable at 2600V Insulation resistance at 90C Absence of faults in insulation Provisiions coverin

34、g constnictional and dmensional characteristics Checking of compliance with constructional provisions Measurement of thickness of insulation Measurement of overall diameter Mechanical properties of insubtion Tensile test before ageing Tensile test after ageing Hot set test Tests at kw temperature Be

35、nding test for insulation (+i Elongation test for insulation (*I Impact test Pressure test at high temperature Test under fire conditions Test on a single vertical cable Test for acidic (corrosive) gases evolved from combustion of insulation Smoke emission of cable Ozone resistance test for insubtio

36、n (either method may be used) 3 Category of Test T. S T. S T. S R T. S T, S T, S T T T T T T T T:i resistanceat9C“ upper limit 1 (Mr).km) mm I i: I 2.8 0.01 6 0.01 2 0.01 1 (1 The values of insulation resistance were calculated using the following formula, and based on a volume resistivity of 1 x IO

37、8 f2.m at 90C. R = 0.0367 log D/d where: R D d = Insulation resistance in Mf2.km at 90C. = Nominal diameter over insulation (mm) = Diameter of the circumscribed circle of the conductor (mm) CENELEC HD*22-9*S2 95 m 3404583 0354539 385 W 4 Page 13 HD 22.9 S2:1995 5 TABLE VI Tests for Type H05t-U 1 Ref

38、 No. 1. 1.1 1.2 1.3 1.4 2. 2.1 2.2 2.3 3. 3.1 3.2 4. 6. 6.1 6. 7. 7.1 7.2 7.3 a. 2 Tests Electrical tests Resistance of conductors Voltage test on completed cable at 2000V Insulation resistance at BOOC Absence of faults in insulation Provisions covuing constnictional and dimensional charactoristios

39、 Checking of compliance with constructional provisions Measurement of thickness of insulation Measurement of overall diameter Mechanical properties of inrubtion Tensile test before ageing Tensile test after ageing Hot set test Tests at low tunpemturo Bending test for insulation Pressure test at high

40、 temperature Test under fire conditions Test on a single vertical cable Test for acidic (corrosive) gases evcec om combustion of insulation Smoke emission of cable Ozone resistance test for insubtion (either method may be used) 3 Category of test T, S T, S T. S R T. S T. S T, S T T T T T T&S T&S T&S

41、 T HD 22.2 22.2 22.2 22.2 22.1 22.2 22.2 606.1.1 605.1.2 606.2.1 606.1.4 606.3.1 405.2 602 606 606.2.1 or 22.2 Clause 2.1 2.2 2.4.1 2.6 Inspection & manual tests 1.9 1.11 9.1 8.1.3.1 9 8.1 8.1 8 7.3 Page 14 HD 22.9 S2:1995 5. Sinale core non-sheathed cable with flexible conductor for internal wirinq

42、 5.1 Code designation H05Z-K 5.2 Rated voltage 300/500V 5.3 Construction 5.3.1 Conductor Number of conductors : 1 The conductors shall comply with Class 5 requirements given in HD 383 The wires may be plain or tinned. 5.3.2 Separator A separator of suitable material may be applied around the conduct

43、or. 5.3.3 Insulation The insulation shall be a polyolefin based cross-linked material, Type EI 5, applied around the conductor by extrusion in one or two layers. The insulation thickness shall comply with the specified value given in Part 9 Table VI1 column 2. The insulation resistance shall not be

44、less than the value given in Part 9 Table VI1 column 5. NOTE: The requirements for EI 5 define that it shall comply with HD 602 in respect of emission of acidic (corrosive) gases when burned. The properties of EI 5 should not conflict with the requirement for cable to this Part of HD 22 in respect o

45、f low emission of smoke. 5.3.4 Overall diameter The mean overall diameter shall be within the limits given in Pan 9 Table VI1 columns 3 and 4. 4.3.5 Smoke emission of cable When tested in accordance with the method and procedure given in HD 606, all sizes of cable in this Part 9 of HD 22 shall excee

46、d 60% light transmittance throughout the test. 5.4 Tests Compliance with the requirements of Part 9 sub-clause 5.3 shall be checked by inspection and by the tests given in Part 9 Table VIII. CENELEC HD*ZZ-q*:SZ 95 I 3404583 0154521 T33 1 Nominal cross sectional area of conductor mma O. 6 0.76 . 1.0

47、Page 15 HD 22.9 S2: 1995 2 3 I 4 6 Thickness of insulation Mean overall diameter Minimum insulation specified velue resistance at lower limit upper limit gooc“ mm mm mm (Mn. km) 0.6 2.1 2.6 0.01 3 0.6 2.2 2.8 0.01 1 0.6 2.4 2.9 0.01 o 5.5 Indication of origin and fire performance marking In addition

48、 to the general requirements of Part 1, Clause 3, a continuous marking indicating fire performance shall be applied, by printing, indenting or embossing on the insulation using symbol Z, indicating cable having low emission of smoke and acidic (corrosive) gases when burned . This is verified by test

49、s specified in the document. 5.6 Guides to use (informative) Under consideration for HD 51 6. TABLE VI1 General Data for Type H05Z-K 11) The values of insulation resistance were calculated using the following formula, and based on a volume resistivity of 1 x IO8 Q.m at 9OoC. R = 0.0367 log D/d where: R D d = Insulation resistance in MQ.km at 90OC. = Nominal diameter over insulation (mm) = Diameter of the circumscribed circle of the conductor (rnm) CENELEC HD*22-9*S2 95 I 3404583 0354522 97T I Page 16 HD 22.9 S2:1995 1 Ref. No. 1. 1.1 1.2 1.3 1.4