IEC IEC60364-7-704 Edition3.02017-03 INTERNATIONAL STANDARD Lowvoltageelectricalinstallations Part7-704:Requirementsfor special installationsorlocations-Construction anddemolitionsiteinstallations IEC 60364-7-704:2017-03(en THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright2017IEC,Geneva,Switzerland All rights reserved.Unlessotherwise specified,no partof thispublication maybereproduced orutilized in anyform or by any means, electronic or mechanical, including photocopying and microfilm,without permission in writing from eitherIEC orIEC's memberNational Committee in thecountryoftherequester. If you have anyquestions about IEC copyright orhave an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IECCentral Office Tel.:+4122919 0211 3,ruedeVarembé Fax:+41229190300 CH-1211Geneva 20 [email protected] Switzerland www.iec.ch AbouttheIEC The International Electrotechnical Commission (IEC)is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIECpublications The technical content of IEC publications iskept under constant review by the IEC.Pleasemake sure that youhave the latestedition,a corrigendaoranamendmentmighthavebeenpublished. lECCatalogue-webstore.iec.ch/catalogue Electropedia-www.electropedia.org The stand-alone application for consulting theentire The world's leading online dictionary of electronic and bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in Technical Specifications, Technical Reports and other EnglishandFrench,with equivalentterms in 16 additional documents. Available for PC, Mac OS, Android Tablets and languages.Also known as the International Electrotechnical iPad. Vocabulary (IEV)online. IECpublicationssearch-www.iec.ch/searchpub IEcGlossary-std.iec.ch/glossary The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and varietyofcriteria(referencenumber, text,technical French extractedfrom the Terms andDefinitions clauseof iEC publications issued since 2002. Some entries have been committee,...). It also gives information on projects, replaced andwithdrawnpublications. collectedfrom earlierpublicationsofIECTC37,77,86and CISPR. IECJustPublished-webstore.iec.ch/justpublished IECCustomerServiceCentre-webstore.iec.ch/csc StayuptodateonallnewIECpublications.JustPublished details all new publications released. Available online and If you wish to give us your feedback on this publication or also onceamonthby email. needfurtherassistance,please contact the Customer Service Centre:[email protected]. IEC IEC 60364-7-704 Edition3.02017-03 INTERNATIONAL STANDARD Lowvoltageelectrical installations Part 7-704: Requirements for special installations or locations - Construction anddemolitionsiteinstallations INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.020; 91.140.50 ISBN 978-2-8322-4020-5 Warning! Make sure that you obtained this publication from an authorized distributor. ?Registeredtra nalElectrote