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    UL 60745-2-3-2007 UL Standard for Safety Hand-Held Motor-Operated Electric Tools C Safety C Part 2-3 Particular Requirements for Grinders Polishers and Disk-Type Sanders (Second Ed.pdf

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    UL 60745-2-3-2007 UL Standard for Safety Hand-Held Motor-Operated Electric Tools C Safety C Part 2-3 Particular Requirements for Grinders Polishers and Disk-Type Sanders (Second Ed.pdf

    1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60745-2-3 Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polishers and Disk-Type SandersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REP

    2、RODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polishers, and Disk

    3、-Type Sanders, UL 60745-2-3 Second Edition, Dated May 31, 2007 Summary of Topics The revisions dated September 20, 2013 were issued to incorporate the following revised requirements and to reect the latest ANSI approval date of September 20, 2013: 1. Proposed Revisions To Align Amendments No. 1 And

    4、No. 2 For IEC 60745-2-3, Second Edition And Proposed National Differences To The IEC Text UL 60745-2-3 is an adoption of IEC 60745-2-3, Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polishers, and Disk-Type Sanders, Second Edition, issued February 200

    5、6. The revision pages adopt IEC 60745-2-3, Amendments No. 1 and No. 2 incorporated into IEC edition 2.2 and issued July 2012. Please note that the national difference document incorporates all of the U.S. national differences for UL 60745-2-3. Text that has been changed in any manner or impacted by

    6、ULs electronic publishing system is marked with a vertical line in the margin. The new/revised requirements are substantially in accordance with Proposal(s) on this subject dated June 7, 2013. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transm

    7、itted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for

    8、 any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representativ

    9、e has been advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from a

    10、nd against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except

    11、for those paragraphs, sections, tables, gures, and/or other elements of the Standard having future effective dates as indicated in the preface. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDE

    12、D REQUIREMENTS notice. The following table lists the future effective dates with the corresponding reference. SEPTEMBER 20, 2013 UL 60745-2-3 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Future Effective Date References September 20, 2

    13、016 Entire Standard SEPTEMBER 20, 2013 UL 60745-2-3 tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group CAN/CSA-C22.2 No. 60745-2-3-07 Second Edition (IEC 60745-2-3:2006, MOD) Underwriters Laboratories Inc. UL 60745-2-3 Second Editi

    14、on Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polishers and Disk-Type Sanders May 31, 2007 (Title Page Reprinted: September 20, 2013) This national standard is based on publication IEC 60745-2-3, Second Edition (2006). ANSI/UL 60745-2-3-2013UL COPY

    15、RIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued jointly by the Canadian Standards Association (operating as CSA Group) and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on

    16、 any part of the standard may be submitted to CSA Group or UL at anytime. Revisions to this standard will be made only after processing according to the standards development procedures of CSA Group and UL. CSA Group and UL will issue revisions to this standard by means of a new edition or revised o

    17、r additional pages bearing their date of issue. ISBN 1-55436-430-2 2007 CSA Group All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher. This Standard is subject to review ve years from the date of publication, and sug

    18、gestions for its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquirescsagroup.org and include Proposal for change in the subject line: Standard designation (number); relevant clause, table, and/or gure number; w

    19、ording of the proposed change; and rationale for the change. To purchase CSA Group Standards and related publications, visit CSA Groups Online Store at shop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044. Copyright 2013 Underwriters Laboratories Inc. ULs Standards for Safety are copyrighted

    20、 by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. This ANSI/UL Standard for Safety consists of the Second Edition incl

    21、uding revisions through September 20, 2013. The most recent designation of ANSI/UL 60745-2-3 as an American National Standard (ANSI) occurred on September 20, 2013. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page (front and back), or the Preface. The Natio

    22、nal Difference Page and IEC Foreword are also excluded from the ANSI approval of IEC-based standards. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Develo

    23、pment System (CSDS) at http:/. To purchase UL Standards, visit Comm 2000 at http:/m- or call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS Preface .5 NATIONAL DIFFERENCES .8 FOREWORD 9 1 Scope 13 2 Normati

    24、ve references .13 3 Terms and Denitions 14 4 General requirements .14A 5 General conditions for the tests 14A 6 Void 14A 7 Classication .14A 8 Marking and instructions .14A 8.12.1.101 Safety instructions for all operations .14C 8.12.1.102 Further safety instructions for all operations 16 8.12.1.103

    25、Additional safety instructions for grinding and cutting-off operations .17 8.12.1.104 Additional safety instructions for cutting-off operations .17 8.12.1.105 Additional safety instructions for Sanding Operations 18 8.12.106 Additional safety instructions for polishing operations .18 8.12.1.107 Addi

    26、tional safety instructions for wire brushing operations .18 9 Protection against access to live parts .19 10 Starting 19 11 Input and current .19 12 Heating 20 13 Leakage current 20 14 Moisture resistance .20 15 Electric strength 20 16 Overload protection of transformers and associated circuits 20 1

    27、7 Endurance .20 18 Abnormal operation .20 19 Mechanical hazards .20 20 Mechanical strength .24B 21 Construction 26B 22 Internal wiring 27 23 Components .27 24 Supply connection and external exible cords 27 25 Terminals for external conductors .27 26 Provision for earthing 28 27 Screws and connection

    28、s .28 28 Creepage distances, clearances and distances through insulation 28 29 Resistance to heat, re and tracking 28 30 Resistance to rusting 28 31 Radiation, toxicity and similar hazards .28 SEPTEMBER 20, 2013 CAN/CSA-C22.2 NO. 60745-2-3-07 UL 60745-2-3 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR

    29、FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annexes Annex K (normative) Battery Tools and Battery Packs Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources Annex AA (informative) Material and thickness of guards Bibliography

    30、MAY 31, 2007 CAN/CSA-C22.2 NO. 60745-2-3-07 UL 60745-2-3 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the harmonized CSA Group and UL standard for Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requir

    31、ements for Grinders, Polishers, and Disk-Type Sanders. It is the second edition of CAN/CSA-C22.2 No. 60745-2-3 and the second edition of UL 60745-2-3. This standard is based on IEC 60745-2-3, second edition. This harmonized standard has been jointly revised on September 20, 2013. For this purpose, C

    32、SA Group and UL are issuing revision pages dated September 20, 2013. This standard is based on edition 2.2 of the Standard for Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polishers, and Disk-Type Sanders, IEC 60745-2-3, published July 2012. The rst

    33、edition of this standard was designated CAN/CSA-C22.2 No. 745-2-3/UL 745-2-3. This standard CAN/CSA-C22.2 No. 60745-2-3/UL 60745-2-3, second edition, supersedes: a) the rst edition CAN/CSA-C22.2 No. 745-2-3/UL 745-2-3 published in 1995; and b) CAN/CSA-C22.2 No. 745-4-3/UL 745-4-3, (requirements for

    34、battery tools and battery packs are now incorporated into the requirements of CAN/CSA-C22.2 No. 60745-2-3, second edition, and UL 745-4-3, second edition). This common standard was prepared by the CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the Harmonization Working

    35、 Group for the Adoption of the IEC 60745 Series of Tool Standards are gratefully acknowledged. This standard is considered suitable for use for conformity assessment within the stated scope of the standard. This standard was reviewed by the CSA Subcommittee on Safety of Hand-Held Motor-Operated Elec

    36、tric Tools, under the jurisdiction of the CSA Technical Committee on Consumer and Commercial Products, and the CSA Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the CSA Technical Committee. This standard has been approved as a National Standard

    37、 of Canada by the Standards Council of Canada. This standard has been approved by the American National Standards Institute (ANSI) as an American National Standard. Where reference is made to a specic number of samples to be tested, the specied number is considered a minimum quantity. Note: Although

    38、 the intended primary application of this standard is stated in its scope, it is important to note that it remains the responsibility of the users of the standard to judge its suitability for their particular purpose. Level of Harmonization This standard adopts the IEC text with national differences

    39、. This standard is published as an equivalent standard for CSA and UL. An equivalent standard is a standard that is substantially the same in technical content, except as follows: Technical national differences are allowed for codes and governmental regulations as well as those recognized as being i

    40、n SEPTEMBER 20, 2013 CAN/CSA-C22.2 NO. 60745-2-3-07 UL 60745-2-3 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL accordance with NAFTA Article 905, for example because of fundamental climatic, geographical, technological, or infrastructural

    41、 factors, scientic justication, or the level of protection that the country considers appropriate. Presentation is word for word except for editorial changes. All national differences from the IEC text are included in the CSA and UL versions of the standard. While the technical content is the same i

    42、n each organizations version, the format and presentation may differ. Reasons for Differences From IEC Differences from the IEC are being added in order to address basic safety requirements and existing safety practices present in the USA and Canada. Interpretations The interpretation by the standar

    43、ds development organization of an identical or equivalent standard is based on the literal text to determine compliance with the standard in accordance with the procedural rules of the standards development organization. If more than one literal interpretation has been identied, a revision is to be

    44、proposed as soon as possible to each of the standards development organizations to more accurately reect the intent. CSA Effective Date The effective date for CSA Group will be announced through a CSA Informs or CSA Group Certication Notice. UL Effective Date As of September 20, 2016 all products Li

    45、sted or Recognized by UL must comply with the requirements in this standard. Between September 20, 2013 and September 20, 2016, new product submittals to UL must be evaluated under all requirements in this Standard or, if requested in writing, evaluated under presently effective requirements only. T

    46、he superseded requirement section located at the back of this standard lists presently effective requirements. Where a particular requirement is not specied in the superseded requirements section, that clause or sub-clause in the main body of the standard applies. When investigating to presently eff

    47、ective requirements, Clauses 3.103.6DV, 3.105, 8.1DV, 19.101DV, 19.104.3DV, 20.5, 20.5DV, 20.101.1DV, 20.101.2DV, 20.101.4DV, 20.101.5DV, 21.32, and K.8.12.1.101 do not apply. A UL effective date is one established by Underwriters Laboratories Inc. and is not part of the ANSI approved standard. IEC

    48、Copyright For CSA Group, the text, gures, and tables of International Electrotechnical Commission Publication 60745-2-3, Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polishers and Disk-Type Sanders, copyright 2012, are used in this standard with the

    49、consent of the International Electrotechnical Commission. The IEC Foreword is not part of the requirements of this standard but is included for information purposes only. SEPTEMBER 20, 2013 CAN/CSA-C22.2 NO. 60745-2-3-07 UL 60745-2-3 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL For UL, the text, gures and tables of IEC publication 60745-2-3, Hand-Held Motor-Operated Electric


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