IEC 60445-2010 Basic and safety principles for man-machine interface marking and identification - Identification of equipment terminals conductor terminations a.pdf

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1、 IEC 60445Edition 5.0 2010-08INTERNATIONAL STANDARD NORME INTERNATIONALEBasic and safety principles for man-machine interface, marking and identification Identification of equipment terminals, conductor terminations and conductors Principes fondamentaux et de scurit pour les interfaces homme-machine

2、s, le marquage et lidentification Identification des bornes de matriels, des extrmits de conducteurs et des conducteurs IEC60445:2010BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE SCURIT colourinsideTHIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2010 IEC, Geneva, Switzerland All rights rese

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17、ition 5.0 2010-08INTERNATIONAL STANDARD NORME INTERNATIONALEBasic and safety principles for man-machine interface, marking and identification Identification of equipment terminals, conductor terminations and conductors Principes fondamentaux et de scurit pour les interfaces homme-machines, le marqua

18、ge et lidentification Identification des bornes de matriels, des extrmits de conducteurs et des conducteurs INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE TICS 29.020 PRICE CODECODE PRIXISBN 978-2-88912-166-3BASIC SAFETY PUBLICATION PUBLICATION FONDAMENTALE DE S

19、CURIT Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale colourinside 2 60445 IEC:2010 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references .7 3 Terms and definitions .7 4 Methods of identification.9 5 Ap

20、plication of identification means .10 6 Identification by colours10 6.1 General .10 6.2 Use of single colours.11 6.2.1 Permitted colours 11 6.2.2 Neutral or mid-point conductors.11 6.2.3 Line conductors in AC-systems11 6.3 Use of bi-colour combinations .11 6.3.1 Permitted colours 11 6.3.2 Protective

21、 conductors 11 6.3.3 PEN conductors.12 6.3.4 PEL conductors .12 6.3.5 PEM conductors 12 6.3.6 Protective bonding conductors.13 7 Identification by alphanumeric notation.13 7.1 General .13 7.2 Equipment terminal identification Marking principles.13 7.3 Identification of certain designated conductors

22、16 7.3.1 General .16 7.3.2 Neutral conductor 16 7.3.3 Protective conductor16 7.3.4 PEN conductor 16 7.3.5 PEL conductor.16 7.3.6 PEM conductor 16 7.3.7 Protective bonding conductor 16 7.3.8 Protective bonding conductor earthed16 7.3.9 Protective bonding conductor unearthed16 7.3.10 Functional earthi

23、ng conductor16 7.3.11 Functional bonding conductor16 7.3.12 Mid-point conductor .16 7.3.13 Line conductor.17 Annex A (informative) Colours, alphanumeric notations and graphical symbols used for identification of conductors / terminals.18 Annex B (informative) List of notes concerning certain countri

24、es20 Bibliography24 Figure 1 Single element with two terminals 13 Figure 2 Single element with four terminals: two endpoints and two intermediate points .14 Figure 3 Three-phase equipment with six terminals14 60445 IEC:2010 3 Figure 4 Three-element equipment with twelve terminals: six endpoints and

25、six intermediate points .14 Figure 5 Equipment with groups of elements15 Figure 6 Interconnection of equipment terminals and certain designated conductors15 Table A.1 Colours, alphanumeric notations and graphical symbols used for identification of conductors / terminals 18 4 60445 IEC:2010 INTERNATI

26、ONAL ELECTROTECHNICAL COMMISSION _ BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE, MARKING AND IDENTIFICATION IDENTIFICATION OF EQUIPMENT TERMINALS, CONDUCTOR TERMINATIONS AND CONDUCTORS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardiz

27、ation 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 Internat

28、ional 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

29、 this 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

30、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 has representation from all interested IEC National Committees. 3) IEC Publications have

31、the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misint

32、erpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding nationa

33、l or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services car

34、ried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Co

35、mmittees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn

36、 to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not b

37、e held responsible for identifying any or all such patent rights. International Standard IEC 60445 has been prepared by IEC technical committee 16: Basic and safety principles for man-machine interface, marking and identification. This fifth edition is a merged version of IEC 60445 and IEC 60446, an

38、d cancels and replaces the fourth edition of IEC 60445, published in 2006, and the fourth edition of IEC 60446, published in 2007. It has the status of a basic safety publication in accordance with IEC Guide 104. This edition includes the following significant technical changes with respect to the p

39、revious edition: a) addition of new definitions in Clause 3; b) revision of some clauses to use words from reference IEC standards. These revisions did not change any technical requirements but to clarify the wording; 60445 IEC:2010 5 c) addition of Annex B (informative) “List of notes concerning ce

40、rtain countries”. The text of this standard is based on the following documents: FDIS Report on voting 16/479/FDIS 16/480/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accor

41、dance with the ISO/IEC Directives, Part 2. The readers attention is drawn to the fact that Annex B lists all of the “in-some-country” clauses on differing practices of a less permanent nature relating to the subject of this standard. The committee has decided that the contents of this publication wi

42、ll remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the c

43、over page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 6 60445 IEC:2010 INTRODUCTION This basic safety publication is primarily intended for u

44、se by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 104 and ISO/IEC Guide 51. It is not intended for use by manufacturers or certification bodies. One of the responsibilities of a technical committee is, wherever applicable, to make use

45、 of basic safety publications in the preparation of its publications. The requirements of this basic safety publication will not apply unless specifically referred to or included in the relevant publications. In this fifth edition of IEC 60445, the terminology has been aligned with IEC 60050-195. 60

46、445 IEC:2010 7 BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE, MARKING AND IDENTIFICATION IDENTIFICATION OF EQUIPMENT TERMINALS, CONDUCTOR TERMINATIONS AND CONDUCTORS 1 Scope This International Standard applies to the identification and marking of terminals of electrical equipment such as res

47、istors, fuses, relays, contactors, transformers, rotating machines and, wherever applicable, to combinations of such equipment (e.g. assemblies), and also applies to the identification of terminations of certain designated conductors. It also provides general rules for the use of certain colours or

48、alphanumeric notations to identify conductors with the aim of avoiding ambiguity and ensuring safe operation. These conductor colours or alphanumeric notations are intended to be applied in cables or cores, busbars, electrical equipment and installations. 2 Normative references The following referen

49、ced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60417, Graphical symbols for use on equipment IEC 60617, Graphical symbols for diagrams IEC Guide 104, The preparation of safety publications and the use of basic sa