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Info iec63044 3 ed1 0 b This is a preview - click here to buy the full publication INTERNATIONAL STANDARD IEC - Edition - NORME INTERNATIONALE Home and Building Electronic Systems HBES and Building Automation and Control Systems BACS ?? Part Electrical sa

This is a preview - click here to buy the full publication INTERNATIONAL STANDARD IEC - Edition - NORME INTERNATIONALE Home and Building Electronic Systems HBES and Building Automation and Control Systems BACS ?? Part Electrical safety requirements Systèmes Electroniques pour les Foyers Domestiques et les B? timents HBES et Systèmes de Gestion Technique du B? timent SGTB ?? Partie Exigences de sécurité électrique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS ISBN - - - - Warning Make sure that you obtained this publication from an authorized distributor Attention Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale CThis is a preview - click here to buy the full publication ?? ?? IEC - ? IEC CONTENTS FOREW ORD INTRODUCTION Scope Normative references Terms de ?nitions and abbreviated terms Terms and de ?nitions Abbreviated terms Classi ?cation of HBES BACS network interfaces General ICT network Dedicated network Safety requirements and compliance criteria Requirements General Classi ?cation requirements of installation areas Overvoltage category Pollution degree Electrical safety requirements Protection from hazards in the device Protection from overvoltage on the network and from hazards caused by di ?erent types of circuit Protection from touch current Protection of the communication wiring from overheating Installation Annex A informative List of product standards for electrical safety Bibliography Table ?? Requirements for connection of devices to a dedicated HBES BACS network CThis is a preview - click here to buy the full publication IEC - ? IEC ?? ?? INTERNATIONAL ELECTROTECHNICAL COMMISSION HOME AND BUILDING ELECTRONIC SYSTEMS HBES AND BUILDING AUTOMATION AND CONTROL SYSTEMS BACS ?? Part Electrical safety requirements FOREWORD 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-operation on all questions concerning standardization in the electrical and electronic ?elds To this end and in addition to other activities IEC publishes International Standards Technical Speci ?cations Technical Reports Publicly Available Speci ?cations 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 this preparatory work International governmental and nongovernmental 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 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 IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense While all reasonable e ?orts 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