1、BRITISH STANDARD BS EN 61479:2001 IEC 61479:2001 Incorporating Amendment No. 1 Live working Flexible conductor covers (line hoses) of insulating material The European Standard EN 61479:2001, with the incorporation of amendment A1:2002, has the status of a British Standard ICS 13.260; 29.080.30 BS EN
2、 61479:2001 This British Standard, having been prepared under the direction of the Electrotechnical Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 31 October 2001 BSI 19 February 2003 ISBN 0 580 38610 4 National foreword This
3、 British Standard is the official English language version of EN 61479:2001, including amendment A1:2002. It is identical with IEC 61479:2001, including amendment 1:2002. The start and finish of text introduced or altered by IEC amendment 1 is indicated in the text by tags . The UK participation in
4、its preparation was entrusted to Technical Committee PEL/78, Tools for live working, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European pu
5、blications 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 British Standards Online. This publication does not purport to include all the
6、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. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation
7、, or proposals for change, and keep the UK interests informed; monitor related international and European developments 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 to 40, an inside back cover and a back cover
8、. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments 14117 19 February 2003 See national forewordEUROPEAN STANDARD EN 61479 NORME EUROPENNE June 2001 EUROPISCHE NORM +A1 July 2002 CENELEC European
9、Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2002 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CEN
10、ELEC members. Ref. No. EN 61479:2001 + A1:2002 E ICS 13.260; 29.240.20; 29.260.99 English version Live working Flexible conductor covers (line hoses) of insulating material (includes amendment A1:2002) (IEC 61479:2001 + A1:2002) Travaux sous tension Protecteurs de conducteurs flexibles en matriau is
11、olant (inclut lamendement A1:2002) (CEI 61479:2001 + A1:2002) Arbeiten unter Spannung Flexible Leiterseilabdeckungen aus isolierendem Material (enthlt nderung A1:2002) (IEC 61479:2001 + A1:2002) This European Standard was approved by CENELEC on 2001-05-01 and amendment A1 was approved by CENELEC on
12、2002-07-01. CENELEC 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
13、be obtained on 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 t
14、he Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden,
15、Switzerland and United Kingdom.EN 61479:2001 - 2 - Foreword The text of document 78/350/FDIS, future edition 1 to IEC 61479, prepared by IEC TC 78, Live working, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61479 on 2001-05-01. The following dates were fixed: late
16、st date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2002-02-01 latest date by which the national standards conflicting with the amendment have to be withdrawn Annexes designated “normative“ are part of the bo
17、dy of the standard. Annexes designated “informative“ are given for information only. In this standard, annexes A, B, C, D and ZA are normative and annexes E, F and G are informative. Annex ZA has been added by CENELEC. (dow) 2004-05-01 _ Endorsement notice The text of the International Standard IEC
18、61479:2001 was approved by CENELEC as a European Standard without any modification. _ Foreword to amendment A1 The text of document 78/428/FDIS, future amendment 1 to IEC 61479:2001, prepared by IEC TC 78, Live working, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as am
19、endment A1 to EN 61479:2001 on 2002-07-01. The following dates were fixed: latest date by which the amendment has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2003-04-01 latest date by which the national standards conflicting with the a
20、mendment have to be withdrawn Annexes designated “normative“ are part of the body of the standard. In this standard, annex ZA is normative. Annex ZA has been added by CENELEC. (dow) 2005-07-01 _ Endorsement notice The text of amendment 1:2002 to the International Standard IEC 61479:2001 was approved
21、 by CENELEC as an amendment to the European Standard without any modification.61479 IEC:2001 3 CONTENTS 1 Scope.5 1.1 Classes .5 1.2 Categories.5 1.3 Styles5 2 Normative references .5 3 Definitions 6 4 Composition .8 5 Classification8 6 Physical requirements 9 6.1 Shape .9 6.2 Dimensions .9 6.3 Thic
22、kness9 6.4 Workmanship and finish 9 6.5 Marking .10 6.6 Packaging .10 7 Tests on conductor covers10 7.1 General .10 7.2 Visual inspection and measurements.11 7.2.1 Shape11 7.2.2 Dimensions11 7.2.3 Workmanship and finish.11 7.2.4 Marking .11 7.2.5 Packaging .11 7.3 Mechanical tests .12 7.3.1 General
23、.12 7.3.2 Mechanical puncture resistance.12 7.3.3 Tension set12 7.3.4 Tensile strength and elongation at break .13 7.3.5 Tear resistance test.13 7.3.6 Mechanical positioning test14 7.4 Dielectric tests 14 7.4.1 General .14 7.4.2 Electrodes .15 7.4.3 Test equipment16 7.4.4 Failure indicator.16 7.4.5
24、AC voltage dielectric test.17 7.4.6 DC voltage test17 7.4.7 Dielectric test on assembly18 7.5 Ageing tests 18 7.6 Thermal Melting resistance.1961479 IEC:2001 4 8 Tests on conductor covers with special properties 19 8.1 General .19 8.2 Category A Acid resistance 19 8.3 Category H Oil resistance.20 8.
25、4 Category C Extremely low temperature.20 8.5 Category W Extremely high temperature.20 8.6 Category Z Ozone resistance .20 8.6.1 Method A.20 8.6.2 Method B.20 8.7 Category P Humid condition .21 9 Quality assurance plan and sampling procedure.21 9.1 General .21 9.2 Records.21 Annex A (normative) Symb
26、ol for marking Double triangle29 Annex B (normative) Classification of tests 30 Annex C (normative) Oil for tests on category H conductor covers Oil resistance31 Annex D (normative) Sampling plans and procedures 32 Annex E (informative) Electrical limits for the use of conductor covers (line hoses)
27、of insulating material.34 Annex F (informative) Acceptance tests.36 Annex G (informative) Recommendations for in-service care .37 Annex ZA (normative) Normative references to international publicationswith their corresponding European publications .39 Bibliography38 Figure 1 Typical styles of conduc
28、tor covers22 Figure 2 Electrodes for proof-test A1 .23 Figure 2a Outer electrode design for proof-test A1.23 Figure 3 Electrodes for proof-test A2 .23 Figure 3a Outer electrode design for proof-test A2.23 Figure 4 Outer electrode design and test arrangement for withstand test B24 Figure 5 Mechanical
29、 puncture (see 7.3.2) 25 Figure 6 Dumb-bell test piece (see 7.3.3).26 Figure 7 Tear resistance test (see 7.3.5)27 Figure 8 Melting resistance Plastic covers only (see 7.6) 28 Figure A.1 Symbols and symbol location29 Table 1 Designation of special properties.8 Table 2 Recommended dimensions and toler
30、ances9 Table 3 AC voltage requirements .16 Table 4 DC voltage requirements.17 Table B.1 General test procedure 30 Table C.1 Characteristics of the oil 31 Table D.1 Classification of defects.32 Table D.2 Sampling plan for minor defects.33 Table D.3 Sampling plan for major defects.33 Table E.1 Electri
31、cal limits.3561479 IEC:2001 5 LIVE WORKING FLEXIBLE CONDUCTOR COVERS (LINE HOSES) OF INSULATING MATERIAL 1 Scope This International Standard is applicable to flexible insulating covers (line hoses) for the protection of workers from accidental contact with live or earthed electrical conductors and f
32、or the avoidance of short circuits during live working. 1.1 Classes Five classes of conductor covers, differing in electrical characteristics, are provided and designated as class 0, class 1, class 2, class 3, and class 4. 1.2 Categories Six categories of conductor covers differing in composition an
33、d properties are provided: category A acid resistant, category H oil resistant, category C formulated for extreme low temperature environments, category W formulated for extreme high temperature environments, category Z ozone resistant, and category P formulated for humid environment. NOTE Types II
34、and III material of ASTM D-1050 would be category Z. 1.3 Styles Various styles of conductor covers, differing in construction characteristics are available and six of these are designated as style A, style B, style C, style D, style E, (see figure 1), and style F. 2 Normative references The followin
35、g normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International St
36、andard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of IEC and ISO maintain registers of currently valid International S
37、tandards. IEC 60050(151):1978, International Electrotechnical Vocabulary (IEV) Chapter 151: Electrical and magnetic devices IEC 60050(212):1990, International Electrotechnical Vocabulary (IEV) Chapter 212: Insulating solids, liquids and gases IEC 60050(601):1985, International Electrotechnical Vocab
38、ulary (IEV) Chapter 601: Generation, transmission and distribution of electricity General IEC 60050(651):1999, International Electrotechnical Vocabulary (IEV) Chapter 651: Live working61479 IEC:2001 6 IEC 60060-1:1989, High-voltage test techniques Part 1: General definitions and test requirements IE
39、C 60060-2:1994, High-voltage test techniques Part 2: Measuring systems IEC 60212:1971, Standard conditions for use prior to and during the testing of solid electrical insulating materials IEC 60417 (all parts), Graphical symbols for use on equipment IEC 61318:1994, Live working Guidelines for qualit
40、y assurance plans ISO 472:1999, Plastics Vocabulary ISO 1817:1999, Rubber, vulcanized Determination of the effect of liquids ISO 2592:2000, Determination of flash and fire points Cleveland open cup method ISO 2859-1:1999, Sampling procedures for inspection by attributes Part 1: Sampling schemes inde
41、xed by acceptance quality limit (AQL) for lot-by-lot inspection ISO 2977:1997, Petroleum products and hydrocarbon solvents Determination of aniline point and mixed aniline point ISO 3104:1994, Petroleum products Transparent and opaque liquids Determination of kinematic viscosity and calculation of d
42、ynamic viscosity ISO 9001:1994, Quality systems Model for quality assurance in design, development, production, installation and servicing ISO 9002:1994, Quality systems Model for quality assurance in production, installation and servicing ISO 9003:1994, Quality systems Model for quality assurance i
43、n final inspection and test 3 Definitions For the purpose of this International Standard, the following definitions apply. 3.1 protective cover rigid or flexible cover made of insulating material used to cover energized and/or dead parts and/or adjacent earthed (grounded) parts in order to prevent c
44、ontact NOTE A protective cover is generally designed to provide a required insulation level which makes it able to provide protection only when a worker inadvertently comes into contact with the protective cover and for only a short duration. IEV 651-04-01, modified61479 IEC:2001 7 3.2 conductor cov
45、er protective cover made of insulating material and used to shroud the conductor NOTE These covers can be either flexible or rigid. In general, they are commonly called “line hose“ or “line guards“. IEV 651-04-03 3.3 elastomer generic term that includes rubber, latex and elastomeric compounds that m
46、ay be natural or synthetic or a mixture or a combination of both 3.4 plastic material which contains as an essential ingredient a high polymer and which at some stage of its processing into finished products can be shaped by flow ISO 472 modified 3.5 proof test voltage the specified voltage that is
47、applied to a device for the time defined under specific conditions to assure that the electrical strength of the insulation is above a specific value 3.6 flashover breakdown between electrodes in a gas or a liquid or in vacuum, at least partly along the surface of solid insulation IEV 212-01-37 3.7
48、puncture path produced through a solid by a breakdown producing permanent damage. The term is also used as a synonym for electrical breakdown in solids IEV 212-01-38 3.8 acceptance test contractual test to prove to the customer that the device meets certain conditions of its specification IEV 151-04-20 3.9 routine test test to which each device is subjected during or after manufacture to ascertain whether it complies with certain criteria IEV 151-04-16 3.10 sampling test test on a number of devices taken at random from a batch IEV 151-04-1761479 IEC:2001 8 3.11 type test test of one
