1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 50525-2-12:2011Electric cables Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) Part 2-12: Cables for general applications Cables with therm
2、oplastic PVC insulation for extensible leadsBS EN 50525-2-12:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN50525-2-12:2011. It partially supersedes BS6500:2000.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/20/17, Electric
3、Cables - Low voltage.A list of organizations 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. BSI 2011ISBN 978 0 580 64363 7ICS 29.060.20C
4、ompliance 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 September 2011.Amendments issued since publicationDate Text affectedBS EN 50525-2-12:2011 BRITISH STANDARDNationa
5、l forewordThis British Standard is the UK implementation of EN50525-2-12:2011. It partially supersedes BS6500:2000.The UK participation in its preparation was entrusted to TechnicalCommittee GEL/20/17, Electric Cables - Low voltage.A list of organizations represented on this committee can beobtained
6、 on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 64363 7ICS 29.060.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This Briti
7、sh Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2011.Amendments issued since publicationDate Text affectedThis British Standard is the UK implementation of EN 50525-2-12:2011.In the UK, the BS EN 50525 series of standards contain complenull
8、snullpersession details. The tanullle nullelonull nullest snullmmarinulles the relationship nulletnulleen these standards:Part 1 together with Supersedes2-null1 BS nullnullnull-null:1nullnullnull2-null1, 2-null2 BS null00null: 200null2-11 nullin partnull, 2-12, 2-21 nullin partnull, 2-null1 BS null5
9、00:20002-11 nullin partnull, 2-21 nullin partnull, 2-51 nullin partnull, 2-nullnull, null-21 BS nullnull1null:20012-null1, 2-51 nullin partnull BS 6004:2000null-null1 BS 7211:19982-22, 2-null2, 2-null2, null-11, null-null1 NoneNOTE All British Standards will remain current until they are withdrawn o
10、n 31 December 2012. British Standards in bold are only partially supersedednull and new editions onull BS null00null and BS null211 will be introduced on 1 nullanuary 2013.National nullnnenull Nnull nullinformatinullenull nullinulles information on the orinullins and identinullcation of particnullla
11、r canullle tnullpes.BS EN 50525-2-12:2011EUROPEAN STANDARD EN 50525-2-12 NORME EUROPENNE EUROPISCHE NORM May 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue
12、 Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50525-2-12:2011 E ICS 29.060.20 Supersedes HD 21.10 S2:2001English version Electric cables - Low voltage energy cables of rated voltages up to and
13、including 450/750 V (U0/U) - Part 2-12: Cables for general applications - Cables with thermoplastic PVC insulation for extensible leads Cbles lectriques - Cbles dnergie basse tension de tension assigne au plus gale 450/750 V (U0/U) - Partie 2-12: Cbles pour applications gnrales - Cbles isols en PVC
14、thermoplastique pour cordons extensibles Kabel und Leitungen - Starkstromleitungen mit Nennspannungen bis 450/750 V (U0/U) - Teil 2-12: Starkstromleitungen fr allgemeine Anwendungen - Wendelleitungen mit thermoplastischer PVC-Isolierung This European Standard was approved by CENELEC on 2011-01-17. C
15、ENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving 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 o
16、n application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (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 Central Se
17、cretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg
18、, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 50525-2-12:2011EN 50525-2-12:2011 - 2 - Foreword This European Standard was prepared by the Technical Committee CENELEC TC 20, Electric cables. The text of the dr
19、aft was submitted to the formal vote and was approved by CENELEC as EN 50525-2-12 on 2011-01-17. This document, which is one of a multipart series, supersedes HD 21.10 S2:2001. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN a
20、nd CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-01-17 latest date by which the nat
21、ional standards conflicting with the EN have to be withdrawn (dow) 2014-01-17 _ BS EN 50525-2-12:2011- 3 - EN 50525-2-12:2011 Contents Page 1 Scope . 42 Normative references . 43 Terms and definitions . 44 General purpose cables 54.1 Light duty cables H03VVH8-F and H03VVH2H8-F 54.2 Ordinary duty cab
22、les H05VVH8-F and H05VVH2H8-F 6Annex A (normative) Post-coiling requirements for marking 8Annex B (normative) Pre-coiling tests for cables to EN 50525-2-12 9Annex C (normative) Post-coiling tests for cables to EN 50525-2-12 10Annex D (normative) General data . 11Annex E (normative) Requirements for
23、compatibility test 13E.1 Test conditions . 13E.2 Requirements . 13Annex F (normative) Requirements for mechanical tests 14F.1 Extension tests for extensible leads . 14F.2 Endurance test for extensible leads . 14Bibliography . 15Tables Table B.1 9Table C.1 . 10Table D.1 Cables rated at 300/300 V . 11
24、Table D.2 Cables rated at 300/500 V . 12Table E.1 13BS EN 50525-2-12:2011EN 50525-2-12:2011 - 4 - 1 Scope EN 50525-2-12 applies to thermoplastic (PVC) insulated and PVC sheathed extensible leads. The cables are of rated voltages U0/U up to and including 300/500 V. The cables are intended for the con
25、nection of domestic appliances to the fixed supply. Circular cables and flat cables are included. The maximum conductor operating temperature for each of the cables in this standard is 70 C. NOTE HD 516 contains extensive guidance on the safe use of cables in this standard. This EN 50525-2-12 should
26、 be read in conjunction with EN 50525-1, which specifies general requirements. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the ref
27、erenced document (including any amendments) applies. NOTE One or more references to the standards below are in respect of a specific sub-division of that standard, for instance a clause, a table, a class or a type. Cross-references to these standards are undated and, at all times, the latest version
28、 applies. EN 50363-3 Insulating, sheathing and covering materials for low voltage energy cables - Part 3: PVC insulating compounds EN 50363-4-1 Insulating, sheathing and covering materials for low voltage energy cables - Part 4-1: PVC sheathing compounds EN 50395 Electrical test methods for low volt
29、age energy cables EN 50396 Non electrical test methods for low voltage energy cables EN 50525-1 Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U0/U) - Part 1: General requirements EN 60228 Conductors of insulated cables (IEC 60228) EN 60811-1-2 Insulatin
30、g and sheathing materials of electric and optical cables - Common test methods - Part 1-2: General application - Thermal ageing methods (IEC 60811-1-2) EN 60811-1-4 Insulating and sheathing materials of electric and optical cables - Common test methods - Part 1-4: General application - Tests at low
31、temperature (IEC 60811-1-4) 3 Terms and definitions For the purposes of this document the terms and definitions given in Clause 3 of EN 50525-1 apply. BS EN 50525-2-12:2011- 5 - EN 50525-2-12:2011 4 General purpose cables 4.1 Light duty cables H03VVH8-F and H03VVH2H8-F 4.1.1 Construction Pre-coiling
32、 4.1.1.1 Conductor The conductor shall be class 5, according to EN 60228. 4.1.1.2 Sizes of cable The sizes of cable shall be: circular cables 0,5 mm2and 0,75 mm2 2 and 3 core; flat cables 0,5 mm2and 0,75 mm2 2 core only. 4.1.1.3 Insulation The insulation shall be polyvinyl chloride compound of Type
33、TI 2 to EN 50363-3. 4.1.1.4 Assembly The cables shall be assembled as follows: circular cable: the cores shall be twisted together; flat cable: the cores shall be laid parallel. NOTE A tape may be applied around the core assembly before application of the sheath. 4.1.1.5 Sheath The sheath shall be p
34、olyvinyl chloride compound of Type TM 2 to EN 50363-4-1. The sheath shall fill the spaces between the cores, thus forming a filling. 4.1.1.6 Marking The cable shall be marked with the CENELEC code H03VVH8-F for circular cables, or H03VVH2H8-F for flat cables. The marking shall comply with Clause 6 o
35、f EN 50525-1. 4.1.2 Construction Post-coiling The cables shall be coiled in the form of a helical lead and caused substantially to maintain this form during use. Slight deformation of the cables, created by the coil forming process, is acceptable provided that the thickness of the insulation and she
36、ath meet the requirements. The original marking, if any, on the pre-coiled cable may be affected by the coiling process but this is acceptable provided that traceability is not impaired. The producer of the extensible lead, if different from the producer of the pre-coiled cable, shall apply an addit
37、ional mark, as indication of origin, as required by Annex A. BS EN 50525-2-12:2011EN 50525-2-12:2011 - 6 - 4.1.3 Requirements Each cable shall comply with the appropriate requirements given in EN 50525-1, and the particular requirements of this Part. Testing at the pre-coiling stage shall be in acco
38、rdance with Annex B, and the relevant tests indicated in column 6. Testing at the post-coiling stage shall be in accordance with Annex C, and the relevant tests indicated in column 6. The dimensions of the cables (pre-coiling) and the thickness of insulation and sheath (post-coiling) shall conform t
39、o Table D.1 for the relevant size. The requirements of 5.3.3 of EN 50525-1 shall apply for the insulation thickness and of 5.7.3 of EN 50525-1 for the sheath thickness. The requirements to be met for the compatibility test shall be as given in Annex E. The requirements to be met for the mechanical t
40、ests shall be as given in Annex F. 4.2 Ordinary duty cables H05VVH8-F and H05VVH2H8-F 4.2.1 Construction Pre-coiling 4.2.1.1 Conductor The conductor shall be class 5, according to EN 60228. 4.2.1.2 Sizes of cable The sizes of cable shall be: circular cables 0,75 mm2to 1,5 mm2 2 and 3 core; flat cabl
41、es 0,75 mm2 2 core only. 4.2.1.3 Insulation The insulation shall be polyvinyl chloride compound of Type TI 2 to EN 50363-3. 4.2.1.4 Assembly The cables shall be assembled as follows: circular cable: the cores shall be twisted together; flat cable: the cores shall be laid parallel. For circular cable
42、 having two cores, the space between the cores shall be filled either by separate fillers or by the sheath filling the interstices. NOTE A tape may be applied around the core assembly before application of the sheath. 4.2.1.5 Sheath The sheath shall be polyvinyl chloride compound of Type TM 2 to EN
43、50363-4-1. The sheath shall fill the spaces between the cores, thus forming a filling. BS EN 50525-2-12:2011- 7 - EN 50525-2-12:2011 4.2.1.6 Marking The cable shall be marked with the CENELEC code H05VVH8-F for circular cables, or H05VVH2H8-F for flat cables. The marking shall comply with Clause 6 o
44、f EN 50525-1. 4.2.2 Construction Post-coiling The cables shall be coiled in the form of a helical lead and caused substantially to maintain this form during use. Slight deformation of the cables, created by the coil forming process, is acceptable provided that the thickness of the insulation and she
45、ath meets the requirements. The original marking, if any, on the pre-coiled cables may be affected by the coiling process but this is acceptable provided that traceability is not impaired. The producer of the extensible lead, if different from the producer of the pre-coiled cable, shall apply an add
46、itional mark, as indication of origin, as required by Annex A. 4.2.3 Requirements Each cable shall comply with the appropriate requirements given in EN 50525-1, and the particular requirements of this Part. Testing at the pre-coiling stage shall be in accordance with Annex B, and the relevant tests
47、indicated in column 7. Testing at the post-coiling stage shall be in accordance with Annex C, and the relevant tests indicated in column 7. The dimensions of the cables (pre-coiling) and the thickness of insulation and sheath (post-coiling) shall conform to Table D.2 for the relevant size. The requi
48、rements of 5.3.3 of EN 50525-1 shall apply for the insulation thickness and of 5.7.3 of EN 50525-1 for the sheath thickness. The requirements to be met for the compatibility test shall be as given in Annex E. The requirements to be met for the mechanical tests shall be as given in Annex F. BS EN 505
49、25-2-12:2011EN 50525-2-12:2011 - 8 - Annex A (normative) Post-coiling requirements for marking For extensible leads an additional mark of indication of origin shall be applied to identify the coiler. It shall consist of one of the following: 1) an additional embossed mark clearly discernible on the extensible part regardless of any additional processing such as the moulding on of a plug; 2) an additional moulded mark subject to the
