IEC_TS_60479-1-2016.pdf

IEC TS 60479-1 Edition 4.1 2016-07 CONSOLIDA TED VER SION Effects of current on human beings and livestock Part 1:General aspects IEC TS 60479-1:2005-07+A MD1:2016-07 CSV(en)BA SIC SA FETY PUBLICA TION c olourinsideCopyright International Electrotechnical Commission THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All r ights r eserved.Unless otherwise specif ied,no par t of this publication may be reproduced or utilized in any f orm or by any means,electr onic or mechanical,including photocopying and microfilm,without permission in writing f rom either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC copyright or have an enquiry about obtaining additional r ights to this publication,please contact the addr ess below or your local IEC member National Committee f or fur ther information.IEC Central Office Tel.:+41 22 919 02 11 3,r ue de Varemb Fax:+41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzer land www.iec.ch About the IEC The Inter national Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standar ds f or all electrical,electr onic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sur e that you have the latest edition,a corrigenda or an amendment might have been published.IEC Catalogue-webstore.iec.ch/cat alogue The stand-alone application for consulting the entir e bibliographical information on IEC International Standards,Technical Specifications,Technical Reports and other documents.A vailable for PC,Mac OS,A ndroid Tablets and iPad.IEC publicat ions search-www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdraw n publications.IEC Just Published-webstore.iec.ch/just published Stay up to date on all new IEC publications.Just Published details all new publications released.A vailable online and also once a month by email.Electropedia-www.electropedia.org The worlds leading online dictionar y of electronic and electrical terms containing 20 000 terms and definitions in English and French,with equivalent terms in 15 additional languages.A lso known as the International Electrotechnical Vocabular y (IEV)online.IEC Glossar y -st d.iec.ch/glossary 65 000 electrotechnical terminology entries in English and French ex tracted from the Ter ms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC Cust omer Service Centre-webst ore.iec.ch/csc If you wish to give us y our feedback on this publication or need fur ther assistance,please contact the Customer Service Centre:csciec.ch.Copyright International Electrotechnical Commission IEC TS 60479-1 Edition 4.1 2016-07 CONSOLIDA TED VER SION Effects of current on human beings and livestock Part 1:General aspects INTER NA TIONAL ELECTROTECHNICAL COMMISSION ICS 13.200;29.020 ISBN 978-2-8322-0000-0 BA SIC SA FETY PUBLICA TION Registered t rademark of t he Int ernational Electrot echnical Commission W arning!Make sure that you obtained this publication from an authorized distributor.c olourinsideCopyright International Electrotechnical Commission Copyright International Electrotechnical Commission IEC TS 60479-1 Edition 4.1 2016-07 R EDLINE VER SION Effects of current on human beings and livestock Part 1:General aspects IEC TS 60479-1:2005-07+A MD1:2016-07 CSV(en)BA SIC SA FETY PUBLICA TION c olourinsideCopyright International Electrotechnical Commission 2 IEC TS 60479-1:2005+AMD1:2016 CSV IEC 2016 CONTENTS FOREWORD.6 INTRODUCTION.9 1 Scope.11 2 Normative ref erences.11 3 Terms and def initions.12 3.1 General def initions.12 3.2 Ef f ects of sinusoidal alternating current in the range 15 Hz to 100 Hz.13 3.3 Ef f ects of direct current.13 4 Electrical impedance of the human body.14 4.1 Internal impedance of the human body(Zi).14 4.2 Impedance of the skin(Zs).14 4.3 Total impedance of the human body(ZT).15 4.4 Factors af f ecting initial resistance of the human body(R0).15 4.5 Values of the total impedance of the human body(ZT).15 4.5.1 Sinusoidal alternating current 50/60 Hz f or large surf ace areas of contact.15 4.5.2 Sinusoidal alternating current 50/60 Hz f or medium and small surf ace areas of contact.18 4.5.3 Sinusoidal alternating current with f requencies up to 20 kHz.21 4.5.4 Direct current.22 4.6 Value of the initial resistance of the human body(R0).23 5 Ef f ects of sinusoidal alternating current in the range of 15 Hz to 100 150 Hz.23 5.1 Threshold of perception.23 5.2 Threshold of reaction.23 5.3 Immobilization.23 5.4 Threshold of let-go.23 5.5 Threshold of ventricular f ibrillation.24 5.6 Other ef f ects related to electric shocks.24 5.7 Ef f ects of current on the skin.25 5.8 Des