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    EN 60900-2012 en Live working - Hand tools for use up to 1000 V a c and 1500 V d c .pdf

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    EN 60900-2012 en Live working - Hand tools for use up to 1000 V a c and 1500 V d c .pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationLive working Hand tools for use up to 1 000 V a.c. and 1 500 V d.c.BS EN 60900:2012National forewordThis British Standard is the UK implementation of EN 60900:2012. It is identic

    2、al to IEC 60900:2012. It supersedes BS EN 60900:2004,which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PEL/78, Tools for live working.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does

    3、not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2012.Published by BSI Standards Limited 2012.ISBN 978 0 580 78736 2 ICS 13.260; 29.240.20; 29.260.99 Compliance with a British Standard cannot confe

    4、r immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2012.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 60900:2012EUROPEAN STANDARD EN 60900 NORME EUROPENNE EUROPI

    5、SCHE NORM August 2012 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2012 CENELEC - All rights of exploitation in any form and by a

    6、ny means reserved worldwide for CENELEC members. Ref. No. EN 60900:2012 E ICS 13.260; 29.240.20; 29.260.99 Supersedes EN 60900:2004English version Live working - Hand tools for use up to 1000 V a.c. and 1500 V d.c. (IEC 60900:2012) Travaux sous tension - Outils main pour usage jusqu 1000 V en couran

    7、t alternatif et 1500 V en courant continu (CEI 60900:2012) Arbeiten unter Spannung - Handwerkzeuge zum Gebrauch bis AC 1000 V und DC 1500 V (IEC 60900:2012) This European Standard was approved by CENELEC on 2012-07-19. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations whi

    8、ch 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 on application to the CEN-CENELEC Management Centre or to any CENELEC member. Thi

    9、s 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 CEN-CENELEC Management Centre has the same status as the official versions. CENE

    10、LEC members are the national electrotechnical 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 Netherla

    11、nds, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 60900:2012EN 60900:2012 Foreword The text of document 78/947/FDIS, future edition 3 of IEC 60900, prepared by IEC/TC 78 “Live working“ was submitted to the IEC-CENELEC paralle

    12、l vote and approved by CENELEC as EN 60900:2012. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2013-04-19 latest date by which the national standards conflicting with t

    13、he document have to be withdrawn (dow) 2015-07-19 This document supersedes EN 60900:2004. EN 60900:2012 includes the following significant technical changes with respect to EN 60900:2004: general review of the requirements and test provisions; preparation of the elements of evaluation of defects, an

    14、d general application of EN 61318:2008; deletion of Annexes D and E, not applicable according to EN 61318; introduction of a new normative Annex D on chronology of type tests; introduction of a new normative Annex F on classification of defects. Attention is drawn to the possibility that some of the

    15、 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. Endorsement notice The text of the International Standard IEC 60900:2012 was approved by CENELEC as a European Standard without any modifica

    16、tion. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 60743 NOTE Harmonized as EN 60743. BS EN 60900:2012EN 60900:2012 Annex ZA (normative) Normative references to international publications with their corresponding European publications

    17、The following documents, in whole 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. NOTE Wh

    18、en an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60060-1 - High-voltage test techniques - Part 1: General definitions and test requirements EN 60060-1 - IEC 60212 - Standard conditions for

    19、 use prior to and during the testing of solid electrical insulating materials EN 60212 - IEC 61318 - Live working - Conformity assessment applicable to tools, devices and equipment EN 61318 - IEC 61477 - Live working - Minimum requirements for the utilization of tools, devices and equipment EN 61477

    20、 - IEC 60417 Data base Graphical symbols for use on equipment - - ISO 1174-1 - Assembly tools for screw and nuts - Driving squares - Part 1: Driving squares for hand socket tools - - ISO 9654 - Pliers and nippers for electronics - Single-purpose nippers - Cutting nippers - - ISO 9655 - Pliers and ni

    21、ppers for electronics - Single-purpose nippers - Pliers for gripping and manipulating - - ISO 9656 - Pliers and nippers for electronics - Test methods - - ISO 9657 - Pliers and nippers for electronics - General technical requirements - - BS EN 60900:201260900 IEC:2012 CONTENTS INTRODUCTION . 7 1 Sco

    22、pe . . 8 2 Normative references . 8 3 Terms and definitions . 8 4 Requirements . 9 4.1 General requirements . 9 4.1.1 Safety . 9 4.1.2 Performance under load . 9 4.1.3 Multiple-ended hand tools . 10 4.1.4 Marking . 10 4.1.5 Separating of covers 11 4.1.6 Instructions for correct adjustment and assemb

    23、ly 11 4.2 Requirements concerning insulating materials . 11 4.2.1 General . 11 4.2.2 Thermal stability . . 11 4.3 Additional requirements . 11 4.3.1 Hand tools capable of being assembled . 11 4.3.2 Screwdrivers 14 4.3.3 Wrenches uninsulated areas . 15 4.3.4 Adjustable wrenches 15 4.3.5 Pliers, strip

    24、pers, cable scissors, cable-cutting hand tools . . 16 4.3.6 Scissors 19 4.3.7 Knives . 20 4.3.8 Tweezers . 21 5 Tests . 22 5.1 General . . 22 5.2 Visual check . 23 5.3 Dimensional check . 23 5.4 Impact tests 23 5.4.1 Type test . 23 5.4.2 Alternative means in case of insulated and insulating hand too

    25、ls having completed the production phase . 26 5.5 Dielectric tests . . 26 5.5.1 General requirements . 26 5.5.2 Conditioning (for type test only) . . 26 5.5.3 Dielectric testing of insulated hand tools 27 5.5.4 Dielectric testing of insulating hand tools . 30 5.6 Indentation test (for insulated hand

    26、 tools) . 31 5.6.1 Type test . 31 5.6.2 Alternative means in case of insulated hand tools having completed the production phase . . 32 5.7 Test for adhesion of the insulating material coating (for insulated hand tools) . 32 5.7.1 Conditioning . 32 BS EN 60900:201260900 IEC:2012 5.7.2 Type test . 33

    27、5.7.3 Alternative means in case of insulated hand tools having completed the production phase . . 38 5.7.4 Test of adhesion of insulating covers of conductive adjusting or switching elements 39 5.8 Mechanical tests . 39 5.8.1 Insulated hand tools 39 5.8.2 Insulating hand tools . . 40 5.8.3 Tweezers

    28、. 40 5.8.4 Retaining force test . 40 5.9 Durability of marking 42 5.10 Flame retardancy test . 42 5.10.1 Type test . 42 5.10.2 Alternative means in case of hand tools having completed the production phase . 43 6 Conformity assessment of hand tools having completed the production phase . . 44 7 Modif

    29、ications 44 Annex A (informative) Mechanical strength of insulating hand tools . 45 Annex B (normative) Suitable for live working; double triangle (IEC 60417-5216:2002-10) 47 Annex C (informative) Recommendation for use and in-service care 48 Annex D (normative) General type test procedure . 49 Anne

    30、x E (normative) Examples of calculation of the unwinded length of coating and acceptable leakage current . 50 Annex F (normative) Classification of defects and tests to be allocated . . 51 Bibliography . 52 Figure 1 Marking of the electrical working limit adjacent to the symbol double triangle . 10

    31、Figure 2 Description of the insulating overlapping element and different assembly configurations for hand tools capable of being assembled with square drives . 12 Figure 3 Marking symbol for hand tools capable of being assembled and designed to be interchangeable between different manufacturers . 13

    32、 Figure 4 Illustration of insulation of typical hand tools . . 14 Figure 5 Insulated adjustable wrench . . 16 Figure 6 Insulation of pliers . 17 Figure 7 Insulation of multiple slip joint pliers . 17 Figure 8 Insulation of pliers with a functional area below the joint 18 Figure 9 Illustration of ins

    33、ulation of pliers and nippers for electronics . . 19 Figure 10 Insulation of scissors . 20 Figure 11 Insulation of knives . 21 Figure 12 Example of insulation of the handles of tweezers . . 22 Figure 13 Example of test arrangement for the impact test Method A . 24 Figure 14 Example of test arrangeme

    34、nt for the impact test Method B . 25 Figure 15 Dielectric testing arrangement for insulated hand tools 28 Figure 16 Description of dummies for dielectric tests for hand tools capable of being assembled with square drives . . 29 Figure 17 Dielectric testing arrangement for insulating hand tools 30 BS

    35、 EN 60900:201260900 IEC:2012 Figure 18 Indentation test 32 Figure 19 Principle of the testing device for checking adhesion of the insulating coating on conductive parts of the insulated hand tools Test on the working head Method A . 34 Figure 20 Principle of the testing device for checking adhesion

    36、of the insulating coating on conductive parts of the insulated hand tools Test on the working head Method B . 35 Figure 21 Testing device for checking adhesion of the insulating coating of screwdrivers on conductive parts and the handle 36 Figure 22 Example of mountings for checking stability of adh

    37、esion of the insulation of the entire hand tool 38 Figure 23 Dummies for testing locking systems used with square drives nominal size 12,5 mm of ISO 1174 . 41 Figure 24 Dummies for testing locking systems used with square drives nominal size 10 mm of ISO 1174 . . 41 Figure 25 Example of a flame reta

    38、rdancy test arrangement . 43 Table 1 Dimensions and tolerances of the insulating overlapping element . 13 Table 2 Dimensions and tolerances for dummies to be used for dielectric tests . . 29 Table A.1 Torque values for insulating screwdrivers . 45 Table D.1 Sequential order for performing type tests

    39、a. . 49 Table F.1 Classification of defects and associated requirements and tests . . 51 BS EN 60900:201260900 IEC:2012 7 INTRODUCTION This International Standard has been prepared in accordance with the requirements of IEC 61477 where applicable. The product covered by this standard may have an imp

    40、act on the environment during some or all stages of its life cycle. These impacts can range from slight to significant, be of short-term or long-term, and occur at the global, regional or local level. This standard does not include requirements and test provisions for the manufacturers of the produc

    41、t, or recommendations to the users of the product for environmental improvement. However, all parties intervening in its design, manufacture, packaging, distribution, use, maintenance, repair, reuse, recovery and disposal are invited to take account of environmental considerations. BS EN 60900:2012

    42、8 60900 IEC:2012 LIVE WORKING HAND TOOLS FOR USE UP TO 1 000 V AC AND 1 500 V DC 1 Scope This International Standard is applicable to insulated and insulating hand tools used for working live or close to live parts at nominal voltages up to 1 000 V a.c. and 1 500 V d.c. The products designed and man

    43、ufactured according to this standard contribute to the safety of the users provided they are used by skilled persons, in accordance with safe methods of work and the instructions for use (where appropriate). 2 Normative references The following documents, in whole or in part, are normatively referen

    44、ced 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. IEC 60060-1, High-voltage test techniques Part 1: General definitions and te

    45、st requirements IEC 60212, Standard conditions for use prior to and during the testing of solid electrical insulating materials IEC 60417, Graphical symbols for use on equipment IEC 61318, Live working Conformity assessment applicable to tools, devices and equipment IEC 61477, Live working Minimum r

    46、equirements for the utilization of tools, devices and equipment ISO 1174-1, Assembly tools for screw and nuts Driving squares Part 1: Driving squares for hand socket tools ISO 9654, Pliers and nippers for electronics Single-purpose nippers Cutting nippers ISO 9655, Pliers and nippers for electronics

    47、 Single-purpose pliers Pliers for gripping and manipulating ISO 9656, Pliers and nippers for electronics Test methods ISO 9657, Pliers and nippers for electronics General technical requirements 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 61318 an

    48、d the following apply. BS EN 60900:201260900 IEC:2012 9 NOTE For the definitions of general terms in this document, reference should be made to the IEC 60050 series or to special definitions laid down in IEC 60743. Nomenclature of hand tools are found in the relevant ISO standards such as ISO 1703,

    49、ISO 5742 and ISO 8979. 3.1 hand tool (for live working) hand held insulated or insulating tool Note 1 to entry: Hand tools are normally tools such as screwdrivers, pliers, wrenches or knives. SOURCE: IEC 60050-651:1999, 651-01-27, modified The scope of the definition has been enlarged. 3.2 insulated hand tool hand tool made of conductive materials, fully or partially covered by insulating materials SOURCE: IEC 60050-651:1999, 65


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