IEC_64-1409e-CDV.pdf

64/1409/CDVCOMMITTEE DRAFT FOR VOTE(CDV)PROJET DE COMIT POUR VOTE(CDV)Project number IEC 60364-4-41,Ed.5 Numro de projet IEC/TC or SC:TC 64 CEI/CE ou SC:Date of circulation Date de diffusion 2004-09-10 Closing date for voting(Voting mandatory for P-members)Date de clture du vote(Vote obligatoire pour les membres(P)2005-02-11 Titre du CE/SC:Installations lectriques et protection contre les chocs lectriques TC/SC Title:Electrical installations and protection against electric shock Secretary:Mr.Reinhard Pelta(Germany)Secrtaire:E-mail: Also of interest to the following committees Intresse galement les comits suivants all liaison committees of TC 64 Supersedes documentss Remplace les documents 64/1355/CDV 64/1406/RVC Functions concerned Fonctions concernes Safety Scurit EMC CEM Environment Environnement Quality assurance Assurance qualit CE DOCUMENT EST TOUJOURS LTUDE ET SUSCEPTIBLE DE MODIFICATION.IL NE PEUT SERVIR DE RFRENCE.LES RCIPIENDAIRES DU PRSENT DOCUMENT SONT INVITS PRSENTER,AVEC LEURS OBSERVATIONS,LA NOTIFICATION DES DROITS DE PROPRIT DONT ILS AURAIENT VENTUELLEMENT CONNAISSANCE ET FOURNIR UNE DOCUMENTATION EXPLICATIVE.THIS DOCUMENT IS STILL UNDER STUDY AND SUBJECT TO CHANGE.IT SHOULD NOT BE USED FOR REFERENCE PURPOSES.RECIPIENTS OF THIS DOCUMENT ARE INVITED TO SUBMIT,WITH THEIR COMMENTS,NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.Titre:CEI 60364-4-41,Ed.5:Installations lectriques des btiments-Partie 4-41:Protection pour assurer la scurit Protection contre les chocs lectriques Title:IEC 60364-4-41,Ed.5:Electrical installations of buildings-Part 4-41:Protection for safety Protection against electric shock Note dintroduction Introductory note This draft has been prepared by TC 64/MT 9 Part 4-41 of IEC 60364 has the status of a Group Safety Publication for protection against electric shock ATTENTION CDV soumis en parallle au vote(CEI)et lenqute(CENELEC)ATTENTION Parallel IEC CDV/CENELEC Enquiry FORM CDV(IEC)2002-08-09 Copyright 2004 International Electrotechnical Commission,IEC.All rights reserved.It is permitted to download this electronic file,to make a copy and to print out the content for the sole purpose of preparing National Committee positions.You may not copy or mirror the file or printed version of the document,or any part of it,for any other purpose without permission in writing from IEC.60364-4-41 Ed.5/CDV IEC 2 CONTENTS FOREWORD.4 410.1 Scope.7 410.2 Normative references.7 410.3 General requirements.8 411 Protective measure:automatic disconnection of supply.10 411.1 General.10 411.2 Requirements for basic protection(protection against direct contact).10 411.3 Requirements for fault protection(protection against indirect contact).10 411.3.1 Main protective earthing and equipotential bonding.10 411.3.2 Automatic disconnection in case of a fault.11 411.3.3 Additional protection.12 411.4 TN systems.12 411.5 TT systems.14 411.6 IT systems.15 411.7 Functional extra-low voltage(FELV).17 411.7.1 General.17 411.7.2 Requirements for basic protection(protection against direct contact).18 411.7.3 Requirements for fault protection(protection against indirect contact).18 411.7.4 Sources.18 411.7.5 Plugs and socket-outlets.18 412 Protective measure:double or reinforced insulation.18 412.1 General.18 412.2 Requirements for basic protection(protection against direct contact)and fault protection(protection against indirect contact).19 412.2.1 Electrical equipment.19 412.2.2 Enclosures.19 412.2.3 Installation.20 412.2.4 Wiring systems.20 413 Protective measure:electrical separation.21 413.1 General.21 413.2 Requirements for basic protection(protection against direct contact).21 413.3 Requirements for fault protection(protection against indirect contact).21 414 Protective measure:extra-low-voltage provided by SELV and PELV.22 414.1 General.22 414.2Requirements for basic protection(protection against direct contact)and fault protection(protection against indirect contact).22 414.3 Sources for SELV and PELV.23 414.4 Requirements for SELV and PELV circuits.23 415 Additional protection.24 415.1 Additional protection:residual current protective devices(RCDs).24 415.2 Additional protection:supplementary protective equipotential bonding.25 Annex A(normative)Provisions for basic protection(protection against direct contact).26 A.1 Basic insulation of live parts.26 A.2 Barriers or enclosures.26 Annex B(normative)Obstacles and placing out of reach.28 B.1 Application.28 B.2 Obstacles.28 60364-4-41 Ed.5/CDV IEC 3 B.3 Placing out of reach.28 Annex C(normative)Protective measures for application only when the installation is controlled or under the supervision of skilled or instructed persons.30 C.1Non-conducting location.30 C.2Protection by earth-free local equipotential bonding.31 C.3 Electrical separation for the supply of more than one item of current-using equipment.31 Bibliography.33 60364-4-41 Ed.5/CDV IEC 4 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECT