1、BRITISH STANDARD AEROSPACE SERIES BS EN 2714-007:2005 Cables, electrical, single and multicore for general purpose Operating temperatures between p55 C and 260 C Part 007: Screened (spiral) and jacketed, UV laser printable Product standard The European Standard EN 2714-007:2005 has the status of a B
2、ritish Standard ICS 49.060 BS EN 2714-007:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 10 February 2006 BSI 10 February 2006 National foreword This British Standard is the official English language version of EN 2714-007:2005. The UK
3、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: aid enquirers to understand the text; present to the responsible international/European
4、committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-r
5、eferences The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of Bri
6、tish Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a
7、front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments ISBN 0 580 47806 8 EUROPEAN STANDARD NORME EUROPENNE EUROP
8、ISCHE NORM EN 2714-007 October 2005 ICS 49.060 English Version Aerospace series - Cables, electrical, single and multicore for general purpose - Operating temperatures between - 55 C and 260 C - Part 007: Screened (spiral) and jacketed, UV laser printable - Product standard Srie arospatiale - Cbles,
9、 lectriques, mono et multiconducteurs dusage gnral - Tempratures de fonctionnement comprises entre - 55 C et 260 C - Partie 007 : Blinds (guips) et gains, marquables au laser UV - Norme de produit Luft- und Raumfahrt - Leitungen, elektrisch, ein- und mehradrig, fr allgemeine Verwendung - Betriebstem
10、peraturen zwischen - 55 C und 260 C - Teil 007: Geschirmt (Umseilung) und ummantelt, UV Laser bedruckbar - Produktnorm This European Standard was approved by CEN on 12 September 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving
11、this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions
12、 (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cypr
13、us, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROP
14、EN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 2714-007:2005: EEN 2714-007:2005 2 Contents Page Foreword 3 1 Scope . 4
15、2 Normative references .4 3 Terms, definitions and symbols 4 4 Materials and construction. 5 5 Required characteristics 7 6 Quality assurance . 8 7 Designation . 9 8 Identification and marking. .9 9 Packaging, labelling and delivery lengths . .9 10 Technical specification. 9 EN 2714-007:2005 3 Forew
16、ord This European Standard (EN 2714-007:2005) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Assoc
17、iations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2006, and conflicting national standards
18、 shall be withdrawn at the latest by April 2006. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal
19、 Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlan
20、ds, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. 4 1 Scope This standard specifies the characteristics of UV laser printable, single and multicore screened (spiral) and jacketed electrical cables for use in the on-board electrical systems of aircra
21、ft, at operating temperatures between 55 C and 260 C. It shall also be possible to mark these cables by hot stamp printing or ink jet printing. These markings shall be in accordance with EN 3838. 2 Normative references The following referenced documents are indispensable for the application of this
22、document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2083, Aerospace series Copper or copper alloy conductors for electrical cables Product standard. EN 2235, Aerospace series Sing
23、le and multicore electrical cables, screened and jacketed Technical specification. 1)EN 2267-003, Aerospace series Cables, electrical, for general purpose Operating temperatures between 55 C and 260 C Part 003: Ink jet printable Product standard. 1)EN 2714-002, Aerospace series Cables, electrical, s
24、ingle and multicore for general purpose Operating temperatures between 55 C and 260 C Part 002: Screened and jacketed General. EN 3475-100*, Aerospace series Cables, electrical, aircraft use Test methods Part 100: General. EN 3838, Aerospace series Requirements and tests on user-applied markings on
25、aircraft electrical cables. 1) EN 9133, Aerospace series Quality management systems Qualification Procedure for Aerospace Standard Parts. 3 Terms, definitions and symbols For the purposes of this document, the terms, definitions and symbols given in EN 3475-100 apply. * All parts quoted in Table 2.
26、1) Published as AECMA Prestandard at the date of publication of this standard. EN 2714-007:20055 4 Materials and construction 4.1 Materials These cables shall consist of the following: cores according to EN 2267-003; number of cores 1 to 4. 2 to 4-core cables shall be twisted together according to E
27、N 2235. Filler cores shall not be permitted. Screen: nickel-plated copper stranded spiral screen; for dimensions of strands, see Table 1; material according to EN 2083, tests according to EN 3475-100; construction according to EN 2235. Outer jacket: layer of polyimide with total wall thickness (nomi
28、nal value) of 30 m, coated on both sides with a layer 2,5 m thick of fluorocarbon; direction of winding immaterial - overlap 25 % min.; second layer of polytetrafluoroethylene 0,07 mm thick running in opposite direction to first layer with 51 % min. overlap without top coat or 47 % min. with top coa
29、t; a top coat may be applied. 4.2 Construction See EN 2083 and Table 1. EN 2714-007:20056 Table 1 Number of cores Code for nominal section Nominal section AWG a Linear resistance at 20 C Screen strands nominal diameter External diameter Mass mm 2 /km mm mm kg/km max. max. max. 001 0,15 26 160,0 0,08
30、 1,62 6,6 002 0,25 24 114,0 0,08 1,72 7,5 004 0,4 22 60,0 0,08 1,88 9,5 006 0,6 20 33,2 0,08 2,12 13,0 010 1 18 21,1 0,08 2,38 17,6 012 1,2 16 14,5 0,10 2,81 24,8 020 2 14 10,9 0,10 3,08 30,7 030 3 12 6,8 0,10 3,57 44,4 050 5 10 4,2 0,12 4,25 68,0 1 051 b5 10 4,1 0,12 4,45 72,6 001 0,15 26 165,00 0,
31、08 2,64 11,8 002 0,25 24 117,00 0,08 2,85 13,6 004 0,4 22 61,70 0,08 3,20 18,0 006 0,6 20 34,10 0,10 3,69 25,2 010 1 18 21,70 0,10 4,21 34,0 012 1,2 16 14,90 0,12 5,03 48,6 020 2 14 11,20 0,15 5,62 63,2 030 3 12 6,99 0,20 6,72 96,7 050 5 10 4,32 0,20 8,00 146,0 2 051 b5 10 4,22 0,20 8,30 151,0 001 0
32、,15 26 165,00 0,08 2,79 15,6 002 0,25 24 117,00 0,10 3,06 19,1 004 0,4 22 61,70 0,10 3,39 24,5 006 0,6 20 34,10 0,12 3,96 36,3 010 1 18 21,70 0,12 4,52 49,3 012 1,2 16 14,90 0,15 5,42 71,3 020 2 14 11,20 0,15 6,00 89,2 3 030 3 12 6,99 0,20 7,15 137,0 001 0,15 26 165,0 0,10 3,08 19,7 002 0,25 24 117,
33、0 0,10 3,34 23,8 004 0,4 22 61,7 0,10 3,71 31,1 006 0,6 20 34,1 0,12 4,34 45,8 010 1 18 21,7 0,12 4,97 62,7 012 1,2 16 14,9 0,15 6,00 91,0 4 020 2 14 11,2 0,20 6,70 120,4 aAWG = Closest American Wire Gage. bFlexible construction which may be used as an alternative. EN 2714-007:20057 4.3 Colour codin
34、g of cores and jacket See EN 2714-002. 5 Required characteristics According to EN 2235 and EN 3475-100. See Table 2. Table 2 EN 3475- Test Details 201 Visual examination Applicable 202 Mass Applicable; see Table 1. 203 Dimensions Applicable; see Table 1. 301 Ohmic resistance per unit length Applicab
35、le; see Table 1. 302 Voltage proof test Applicable 303 Insulation resistance Applicable 304 Surface resistance Applicable 305 Overload resistance Not applicable 401 Accelerated ageing Applicable Temperature (310 5) C 402 Shrinkage and delamination Applicable Temperature (290 5) C Maximum shrinkage a
36、t each end of cable: jacket 2 mm, core insulation, see EN 2267-003. 403 Delamination and blocking Applicable Temperature (310 5) C 404 Thermal shock Applicable Temperature (290 5) C Maximum shrinkage at each end of cable: jacket 2 mm, core insulation, see EN 2267-003. 405 Bending at ambient temperat
37、ure Applicable 406 Cold bend test Applicable 407 Flammability Applicable Extinguishing time : 3 s max. 408 Fire resistance Not applicable 409 Air-excluded ageing Not applicable (continued) EN 2714-007:20058 Table 2 (concluded) EN 3475- Test Details 410 Thermal endurance Applicable 40 000 h (temperat
38、ure 260 C) 411 Resistance to fluids Applicable 501 Dynamic cut-through Not applicable 502 Notch propagation Applicable Notch depth : 40 m 503 Scrape abrasion Applicable Test force on needle for cables 0,15 mm 2to 0,60 mm 2= 8 N 1,00 mm 2to 1,20 mm 2= 10 N 2,00 mm 2to 5,00 mm 2= 12 N 504 Torsion Not
39、applicable 505 Tensile test on conductors and strands Applicable 506 Plating continuity Applicable 507 Adherence of plating Applicable 508 Plating thickness Applicable 509 Solderability Not applicable 601 Smoke density Applicable 602 Toxicity Applicable 603 Resistance to wet arc tracking Not applica
40、ble 604 Resistance to dry arc propagation Not applicable 701 Strippability and adherence of insulation to the conductor Applicable 702 Screen pushback capability Not applicable 703 Permanence of manufacturers marking Applicable 6 Quality assurance See EN 9133. EN 2714-007:20059 7 Designation EXAMPLE
41、 Description block CABLE, ELECTRICAL Identity block EN2714-007B002F Number of this standard Code letter for number of cores (see EN 2714-002, Table 1) Code for nominal section (see Table 1) Code letter for colour coding of cores and jacket (see EN 2714-002, Tables 2 to 8) NOTE If necessary, the code
42、 I9005 shall be placed between the description block and the identity block. 8 Identification and marking See EN 2714-002. 9 Packaging, labelling and delivery lengths See EN 2235. 10 Technical specification See EN 2235. EN 2714-007:2005BS EN 2714-007:2005 BSI 389 Chiswick High Road London W4 4AL BSI
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