1、BRITISH STANDARD AEROSPACE SERIES BS EN 3475-413:2002 Cables, electrical, aircraft use Test methods Part 413: Wrap back test The European Standard EN 3475-413:2002 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3475-413:200
2、2 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 10 July 2002 BSI 10 July 2002 ISBN 0 580 40050 6 National foreword This British Standard is t
3、he official English language version of EN 3475-413:2002. The UK participation in its preparation was entrusted by Technical Committee ACE/6, Aerospace avionic electrical and fibre optic technology, to Subcommittee ACE/6/2, Aerospace cables, which has the responsibility to: A list of organizations r
4、epresented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Corr
5、espondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does n
6、ot of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developm
7、ents and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 and 3, and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Am
8、d. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN3475413 June2002 ICS49.060 Englishversion AerospaceseriesCables,electrical,aircraftuseTest methodsPart413:Wrapbacktest SriearospatialeCbleslectriquesusage aronautiqueMthodesdessaisPartie413:Contrlepar enroulementduscellement Luftun
9、dRaumfahrtElektrischenLeitungenfrLuftfahrt VerwendungPrfverfahrenTeil413:Wickelprfung ThisEuropeanStandardwasapprovedbyCENon20January2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyal
10、teration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmember
11、intoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnite
12、dKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN3475413:2002EEN3475413:2002(E) 2 Foreword Thisdo
13、cument(EN3475413:2002)hasbeenpreparedbytheEuropeanAssociationofAerospace Manufacturers(AECMA). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentati
14、ontoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyDecember2002,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDecember2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizatio
15、nsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway, Portugal,Spain,Sweden,SwitzerlandandtheUnitedKingdomEN3475413:2002(E) 3 1 Scope Thisstandardspecifiesameth
16、odfordetectingcracking,porosityandbadadhesionofthevariouslayersof PTFEinsulationtapeonafinishedcable. ItshallbeusedtogetherwithEN3475100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriatepl
17、acesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN3475100 AerospaceseriesCa
18、bles,electrical,aircraftuseTestmethodsPart100:General EN3475302 AerospaceseriesCables,electrical,aircraftuseTestmethodsPart302:Voltage prooftest 3 Preparationofaspecimen Thepreparationofaspecimenshallconsistinwindingasufficientlengthofcompletedcablearounditselfat least10times,sothatthecableitselfact
19、sasamandrel. 4 Apparatus Anaircirculatingovenshallberequiredforthistest. 5 Method 5.1 Procedure Thepreparedspecimenshallbeplacedintheovenatatemperatureof(310 5)Cfor3h. Afterthe3h,thespecimenshallberemovedfromtheovenandcooledforatleast1hatambient temperature. 5.2 Requirements Afterbeingreturnedtoambi
20、enttemperaturethePTFEcableinsulationshallshownocrackingordebonding oflayersalongtheinsulation. ThespecimenshallpassthevoltageprooftestrequirementsspecifiedinEN3475302: afterbeingwoundbeforeageing; afterageing,stillwound; afterbeingunwoundandstraightened.BS EN 3475-413:2002 BSI 389 Chiswick High Road
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