1、 INTERNATIONAL STANDARD IEC60189-3 Fourth edition2007-05 Low-frequency cables and wires with PVC insulation and PVC sheath Part 3:Equipment wires with solid or stranded conductor wires,PVC insulated,in singles,pairs and triples Reference number IEC 60189-3:2007(E)THIS PUBLICATION IS COPYRIGHT PROTEC
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8、DARD IEC60189-3 Fourth edition2007-05 Low-frequency cables and wires with PVC insulation and PVC sheath Part 3:Equipment wires with solid or stranded conductor wires,PVC insulated,in singles,pairs and triples M For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInter
9、national Electrotechnical Commission 2 60189-3 IEC:2007(E)CONTENTS FOREWORD.3 1 Scope.5 2 Normative references.5 3 Terms and definitions.5 4 Wire construction and dimensions.5 4.1 Conductor.5 4.1.1 Conductor material.5 4.1.2 Type of conductor.6 4.1.3 Conductor finish.6 4.1.4 Conductor dimensions.6 4
10、.1.5 Continuity of conductor.6 4.2 Insulation.6 4.2.1 insulation material.6 4.2.2 Insulation thickness.6 4.2.3 Application of the insulation.6 4.2.4 Colour of insulation.7 4.3 Twisting of insulated conductors.8 4.4 Identification of insulated conductors.8 4.5 Delivery.8 5 Mechanical requirements.8 5
11、.1 Conductor.8 5.2 Insulation.9 6 Thermal stability and climatic requirements.9 6.1 Measurement of insulation shrinkage after over-heating of conductor.9 6.2 Resistance to flame propagation.10 6.3 Cold bend test.10 6.4 Heat shock test.10 7 Electrical requirements.10 7.1 Electrical resistance of cond
12、uctor.10 7.2 Dielectric strength.10 7.3 Insulation resistance.10 Annex A(normative)Single equipment wires.11 Annex B(normative)Equipment wires in pairs and triples.12 Annex C(normative)Calculation of the maximum diameter of insulated conductors.13 Figure 1 Construction.8 60189-3 IEC:2007(E)3 INTERNA
13、TIONAL ELECTROTECHNICAL COMMISSION _ LOW-FREQUENCY CABLES AND WIRES WITH PVC INSULATION AND PVC SHEATH Part 3:Equipment wires with solid or stranded conductor wires,PVC insulated,in singles,pairs and triples FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for
14、 standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes I
15、nternational Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Publication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in t
16、his preparatory work.International,governmental and non-governmental organizations liaising with the IEC also participate in this preparation.IEC collaborates closely with the International Organization for Standardization(ISO)in accordance with conditions determined by agreement between the two organizations.2)The formal decisions or agreements of IEC on technical matters express,as nearly as possible,an international consensus of opinion on the relevant subjects since each technical committee
