1、BSI Standards PublicationBS EN 50290-2-23:2013Communication cables -Part 2-23: Common design rules andconstruction Polyethylene insulationfor multi-pair cables used in accesstelecommunication networks: OutdoorcablesBS EN 50290-2-23:2013 BRITISH STANDARDNational forewordThis British Standard is the U
2、K implementation of EN50290-2-23:2013. It supersedes BS EN 50290-2-23:2002 which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/46, Cables, wires and waveguides, radio frequencyconnectors and accessories for communication and signalling.A list of organiza
3、tions represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN
4、978 0 580 82665 8ICS 29.035.20; 33.120.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 November 2013.Amendments issued since publicationDate Text affectedBS E
5、N 50290-2-23:2013EUROPEAN STANDARD EN 50290-2-23 NORME EUROPENNE EUROPISCHE NORM November 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix
6、 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50290-2-23:2013 E ICS 29.035.20; 33.120.10 Supersedes EN 50290-2-23:2001 English version Communication cables - Part 2-23: Common design rules and constru
7、ction - Polyethylene insulation for multi-pair cables used in access telecommunication networks: Outdoor cables Cbles de communication - Partie 2-23: Rgles de conception communes et construction - Polythylne pour enveloppes isolantes Kommunikationskabel - Teil 2-23: Gemeinsame Regeln fr Entwicklung
8、und Konstruktion Polyethylen-Isoliermischungen fr vielpaarige Kabel in Telekommunikationsnetzwerken: Auenkabel This European Standard was approved by CENELEC on 2013-09-16. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Eu
9、ropean 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 CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official v
10、ersions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical
11、committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovak
12、ia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 50290-2-23:2013EN 50290-2-23:2013 - 2 - Contents Foreword 3 1 Scope . 5 2 Normative references . 5 3 Compound test requirements . 6 4 Cable test requirements . 6 5 Health, Safety and Environmental Regulations . 6 Bibliogr
13、aphy . 10 BS EN 50290-2-23:2013- 3 - EN 50290-2-23:2013 Foreword This document (EN 50290-2-23:2013) has prepared by CLC/TC 46X “Communication cables“. The following dates are fixed: latest date by which this document has to be implemented at national level by publication of an identical national sta
14、ndard or by endorsement (dop) 2014-09-16 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2016-09-16 This document supersedes EN 50290-2-23:2001. EN 50290-2-23:2013 includes the following significant technical changes with respect to EN 50290-2-23
15、:2001: The document has been entirely restructured. The main change is the introduction of the new Table 1 for the test to be performed on granules. This document should be read in conjunction with Part 2-20 of EN 50290, the product standard EN 50407 (all parts) and other applicable product standard
16、s. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CENELEC by the European Co
17、mmission and the European Free Trade Association, and supports essential requirements of EU Directive(s). This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). EN 50290-2, Communication cables,
18、 is divided into the following sub-parts: Part 2-1: Common design rules and construction; Part 2-2: Common design rules and construction Polyethylene insulation for multi element metallic data cables for indoor application currently at Enquiry stage; Part 2-3: Common design rules and construction Po
19、lyethylene insulation for coaxial cables currently at Enquiry stage; Part 2-4: Common design rules and construction Polypropylene insulation for coaxial cables currently at Enquiry stage; Part 2-20: Common design rules and construction General; Part 2-21: Common design rules and construction PVC ins
20、ulation compounds; Part 2-22: Common design rules and construction PVC sheathing compounds; Part 2-23: Common design rules and construction PE insulation the present document; BS EN 50290-2-23:2013EN 50290-2-23:2013 - 4 - Part 2-24: Common design rules and construction PE sheathing; Part 2-25: Commo
21、n design rules and construction Polypropylene insulation for compounds; Part 2-26: Common design rules and construction Halogen free flame retardant insulation compounds; Part 2-27: Common design rules and construction Halogen free flame retardant thermoplastic sheathing compounds; Part 2-28: Common
22、 design rules and construction Filling compounds for filled cables; Part 2-29: Common design rules and construction Cross-linked PE insulation compounds; Part 2-30: Common design rules and construction Poly(tetrafluoroethylene-hexafluoropropylene) (FEP) insulation and sheathing; Part 2-32: Common de
23、sign rules and construction Halogen free insulation compounds for flame retardant and fire resistant cables currently at Enquiry stage. _ BS EN 50290-2-23:2013- 5 - EN 50290-2-23:2013 1 Scope This European Standard gives specific requirements for PE compounds to be used for the insulation of telepho
24、ne wire for external plant. Using raw material and type test data as outlined in this standard, the raw material supplier will have sufficient data to demonstrate compliance and warrant that the material is suitable for the specified application. 2 Normative references The following documents, in wh
25、ole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 50290-2-20, Communication cables P
26、art 2-20: Common design rules and construction General EN 60216 (all parts), Electrical insulating materials Thermal endurance properties (IEC 60216, all parts) EN 60811-401, Electric and optical fibre cables Test methods for non-metallic materials Part 401: Miscellaneous tests Thermal ageing method
27、s Ageing in an air oven (IEC 60811-401) EN 60811-407, Electric and optical fibre cables Test methods for non-metallic materials Part 407: Miscellaneous tests Measurement of mass increase of polyethylene and polypropylene compounds (IEC 60811-407) EN 60811-408, Electric and optical fibre cables Test
28、methods for non-metallic materials Part 408: Miscellaneous tests Long-term stability test of polyethylene and polypropylene compounds (IEC 60811-408) EN 60811-501, Electric and optical fibre cables Test methods for non-metallic materials Part 501: Mechanical tests Tests for determining the mechanica
29、l properties of insulating and sheathing compounds (IEC 60811-501) EN 60811-502, Electric and optical fibre cables Test methods for non-metallic materials Part 502: Mechanical tests Shrinkage test for insulations (IEC 60811-502) EN 60811-510, Electric and optical fibre cables Test methods for non-me
30、tallic materials Part 510: Mechanical tests Methods specific to polyethylene and polypropylene compounds Wrapping test after thermal ageing in air (IEC 60811-510) EN 60811-512, Electric and optical fibre cables Test methods for non-metallic materials Part 512: Mechanical tests Methods specific to po
31、lyethylene and polypropylene compounds Tensile strength and elongation at break after conditioning at elevated temperature (IEC 60811-512) EN 60811-513, Electric and optical fibre cables Test methods for non-metallic materials Part 513: Mechanical tests Methods specific to polyethylene and polypropy
32、lene compounds Wrapping test after conditioning (IEC 60811-513) EN ISO 527-1:2012, Plastics Determination of tensile properties Part 1: General principles (ISO 527-1:2012) EN ISO 527-2:2012, Plastics Determination of tensile properties Part 2: Test conditions for moulding and extrusion plastics (ISO
33、 527-2:2012) BS EN 50290-2-23:2013EN 50290-2-23:2013 - 6 - EN ISO 527-3:1995, Plastics Determination of tensile properties Part 3: Test conditions for films and sheets (ISO 527-3:1995) EN ISO 527-4:1997, Plastics Determination of tensile properties Part 4: Test conditions for isotropic and orthotopi
34、c fibre-reinforced plastic composites (ISO 527-4:1997) EN ISO 527-5:2009, Plastics Determination of tensile properties Part 5: Test conditions for unidirectional fibre-reinforced plastic composites (ISO 527-5:2009) EN ISO 868, Plastics and ebonite Determination of indentation hardness by means of a
35、durometer (Shore hardness) (ISO 868) EN ISO 1133 (all parts), Plastics Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR) of thermoplastics (ISO 1133, all parts) EN ISO 1183 (all parts), Plastics Methods for determining the density of non-cellular plastics (ISO 1183, all
36、parts) EN ISO 11357-6, Plastics Differential scanning calorimetry (DSC) Part 6: Determination of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6) ISO 974, Plastics Determination of the brittleness temperature by impact 3 Compound test requirem
37、ents The tests are to be carried out on granules or moulded plaques produced from granules of compound. This data shall be provided by the compound supplier. For compounds intended for foam application the properties shall be measured on unexpanded material. Relevant test methods, requirements and l
38、imits shall be included in any supply specification of the compound. Specific requirements are shown in Table 1. In the case of special applications, additional requirements could be specified. 4 Cable test requirements The anticipated performance assumes standard cable design and conventional proce
39、ss technology and is specified (Table 2). Using type test data the compound supplier is expected to demonstrate compliance and warrant that the material is suitable for the specified application. In the case of special applications, additional requirements could be specified. 5 Health, Safety and En
40、vironmental Regulations The compounds are subject to Health, Safety and Environmental requirements as defined in EN 50290-2-20. Any deviations or compliance failures shall be identified by the compound supplier. BS EN 50290-2-23:2013- 7 - EN 50290-2-23:2013 Table 1 Insulation compounds Physical prop
41、erties of granules CharacteristicsaTest method Unit Solid Foam LD/MD HD A B Cd1 DensitybEN ISO 1183 (all parts) g/cm3 0,940 0,940 to be recorded to be recorded to be recorded 2a Melt flow indexc(190 C/2,16 kg) EN ISO 1133 (all parts) g/10 min 0,5 2,5e 1,0 n/a n/a n/a 2b Melt flow indexc(140 C/5,0 kg
42、) EN ISO 1133 (all parts) g/10 min n/a n/a to be recorded to be recorded to be recorded 3 Hardness Shore D (1 s) EN ISO 868 - 50 58 50 58 58 4 Low Temperature brittleness ISO 974 C 50 50 50 50 50 7 Measurement of mass increaseg max. EN 60811-407 % 8 6 6 6 6 aAll values of Table 1 shall be provided b
43、y the compound supplier; see Clause 3. bTolerance for the nominal value of a specific compound is +/- 0,003 g/cm. cTolerance for the nominal value of a specific compound is +/- 25%. dFor Foam-Skin application. eFor LLDPE or LMDPE. fAlternatively, the test may be carried out on granules in presence o
44、f a piece of copper conductor with typical minimum value of 30 min. gTo be measured on a sample cut from a pressed plaque of 0,5 mm. Test specimen according to EN ISO 527-1:2012, Clause 5, EN ISO 527-2:2012, Clause 5, EN ISO 527-3:1995, Clause 5, EN ISO 527-4:1997, Clause 5 and EN ISO 527-5:2009, Cl
45、ause 5, is a convenient sample format. BS EN 50290-2-23:2013EN 50290-2-23:2013 - 8 - Table 2 Wire insulation properties Characteristics Test method Unit Solid Foam LD/MD HD A B Cb1 Maximum rated temperature of cable for which the compound can be used EN 60216 (all parts)aC 70 80 70 70 70 2 Mechanica
46、l characteristics Results to be obtained EN 60811-501 2.1 Tensile strength- median,min. MPa 10 18 3,5 5 8 2.2 Elongation at break- median,min. % 300 300 125 150 300 3 Shrinkage - temperature - duration Result to be obtained, max. EN 60811-502 C h % 100 2 1 5 115 2 1 5 100 2 1 5 100 2 1 5 100 2 1 5 4
47、 Elongation at break after ageing for unfilled cablese- temperature - duration Result to be obtained- median,min. EN 60811-401 C h % 100 2 10 x 24 300 100 2 10 x 24 300 80 2c 7 x 24 125 80 2c 7 x 24 125 100 2 7 x 24 200 5 Wrapping after ageing - temperature - duration Result to be obtained EN 60811-
48、510 C h 100 2 14 x 24 No crack 100 2 14 x 24 No crack 100 2 14 x 24 No crack 100 2 14 x 24 No crack 100 2 14 x 24 No crack BS EN 50290-2-23:2013- 9 - EN 50290-2-23:2013 Table 2 (continued) Characteristics Test method Unit Solid Foam LD/MD HD A B Cb6 Performances after conditioning at elevated temper
49、ature for filled cables d- temperature - duration EN 60811-512 C h 60/70 2 7 x 24 60/70 2 7 x 24 60/70 2 7 x 24 60/70 2 7 x 24 60/70 2 7 x 24 6.1 Elongation at breakeResult to be obtained - median,min. - variation,max. EN 60811-501 % % 200 30 200 30 100 - 100 - 200 - 6.2 Wrapping test - temperature - duration Result to be ob
