1、 INTERNATIONAL STANDARD IEC60446 Fourth edition2007-05 Basic and safety principles for man-machine interface,marking and identification Identification of conductors by colours or alphanumerics Reference number IEC 60446:2007(E)BASIC SAFETY PUBLICATION LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR I
2、NTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC,Geneva,Switzerland All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronic or mechanical
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8、entre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.INTERNATIONAL STANDARD IEC60446 Fourth edition2007-05 Basic and safety principles for man-machine interf
9、ace,marking and identification Identification of conductors by colours or alphanumerics P For price,see current cataloguePRICE CODE Commission Electrotechnique InternationaleInternational Electrotechnical Commission BASIC SAFETY PUBLICATION LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE
10、 AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60446 IEC:2007(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 Identification of conductors.7 5 Identification by colours.8 5.1 General.8 5.2 Use of single colours.8 5.3 Use of bi-colour combi
11、nations.9 6 Identification by alphanumerics.10 6.1 General.10 6.2 Identification of certain designated conductors.11 Annex A(informative)Identification of certain designated conductors by means of colour code and alphanumeric.12 Bibliography.15 Table A.1 Identification of certain designated conducto
12、rs by means of colour code and alphanumeric.12 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.60446 IEC:2007(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ BASIC AND SAFETY PRINCIPLES FOR MAN-MACHINE INTERFACE,MARKING AND IDENTIFICAT
13、ION IDENTIFICATION OF CONDUCTORS BY COLOURS OR ALPHANUMERICS FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-oper
14、ation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and Guides(hereafter referred to as“IEC Pub
15、lication(s)”).Their preparation is entrusted to technical committees;any IEC National Committee interested in the subject dealt with may participate in this preparatory work.International,governmental and non-governmental organizations liaising with the IEC also participate in this preparation.IEC c
16、ollaborates 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 has representation from all interested IEC National Committees.3)IEC Publications have the form of recommendations for international use and are ac
