UL 60745-2-23-2013 UL Standard for Safety Hand-Held Motor-Operated Electric Tools C Safety C Part 2-23 Particular Requirements for Die Grinders and Small Rotary Tools (First Editio.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60745-2-23 Hand-Held Motor-Operated Electric Tools Safety Part 2-23: Particular Requirements for Die Grinders and Small Rotary ToolsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODU

2、CTION 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 2-23: Particular Requirements for Die Grinders and Small Rotary To

3、ols, UL 60745-2-23 First Edition, Dated September 20, 2013 Summary of Topics The revision pages dated April 6, 2015 were issued to incorporate the following requirements and to reect the latest ANSI approval date of the standard: 1. Addition Of Clause 24.4DV.1 To Allow For The Use Of Lighter Duty Su

4、pply Cord For Rotary Tools UL 60745-2-23 is an adoption of IEC 60745-2-23, Hand-Held Motor-Operated Electric Tools Safety Part 2-23: Particular Requirements for Die Grinders and Small Rotary Tools (First Edition, issued December 2012). Please note that the national difference document incorporates a

5、ll of the U.S. national differences for UL 60745-2-23. The new requirements are substantially in accordance with Proposal(s) on this subject dated January 9, 2015. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any mean

6、s, 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 any purpose. In no event wil

7、l 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 representative has been advised of the pos

8、sibility 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 and against any loss, expense,

9、 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 for those paragraphs, section

10、s, 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 SUPERSEDED REQUIREMENTS notice. UL Eff

11、ective Date As of September 20, 2016 all products Listed or Recognized by UL must comply with the requirements in this standard. Between the present and September 20, 2016, new product submittals to UL must be evaluated under all requirements in this Standard or, if requested in writing, evaluated u

12、nder presently effective requirements only. The presently effective requirements are contained in the rst edition of UL 745-2-36 for small rotary tools and the second edition of UL 60745-2-3. APRIL 6, 2015 UL 60745-2-23 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTI

13、ON WITHOUT PERMISSION FROM UL A UL effective date is one established by Underwriters Laboratories Inc. and is not part of the ANSI approved standard. APRIL 6, 2015 UL 60745-2-23 tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group CA

14、N/CSA-C22.2 No. 60745-2-23-13 First Edition (IEC 60745-2-23:2012, MOD) Underwriters Laboratories Inc. UL 60745-2-23 First Edition Hand-Held Motor-Operated Electric Tools Safety Part 2-23: Particular Requirements for Die Grinders and Small Rotary Tools September 20, 2013 (Title Page Reprinted: April

15、6, 2015) This national standard is based on publication IEC 60745-2-23, First Edition (2012). ANSI/UL 60745-2-23-2015 Approved byUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued jointly by the

16、 Canadian Standards Association (operating as “CSA Group”) and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on 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

17、 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 or additional pages bearing their date of issue. ISBN 978-1-77139-283-9 2013 CSA Group All rights reserved. No part of this publication may be reproduced in any fo

18、rm whatsoever without the prior permission of the publisher. This Standard is subject to review ve years from the date of publication, and suggestions for its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquires

19、csagroup.org and include Proposal for change in the subject line: Standard designation (number); relevant clause, table, and/or gure number; wording of the proposed change; and rationale for the change. To purchase CSA Group Standards and related publications, visit CSA Groups Online Store at shop.c

20、sa.ca or call toll-free 1-800-463-6727 or 416-747-4044. Copyright 2015 Underwriters Laboratories Inc. ULs Standards for Safety are copyrighted 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 rega

21、rding those Standards shall remain the sole and exclusive property of UL. This ANSI/UL Standard for Safety consists of the First Edition. The most recent designation of ANSI/UL 60745-2-23 as an American National Standard (ANSI) occurred on April 6, 2015. ANSI approval for a standard does not include

22、 the Cover Page, Transmittal Pages, Title Page (front and back), or the Preface. The National 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. Proposal

23、s should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development 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 PERM

24、ISSION FROM UL CONTENTS PREFACE 4 NATIONAL DIFFERENCES .6 FOREWORD 7 1 Scope 10 2 Normative references .10 3 Terms and denitions 10 4 General requirements 11 5 General conditions for the tests 11 6 Void 11 7 Classication 11 8 Marking and instructions 11 9 Protection against access to live parts 18 1

25、0 Starting 18 11 Input and current .18 12 Heating 18 13 Leakage current 18 14 Moisture resistance .18 15 Electric strength 18 16 Overload protection of transformers and associated circuits 18 17 Endurance .18 18 Abnormal operation .19 19 Mechanical hazards .19 20 Mechanical strength .20 21 Construct

26、ion .20 22 Internal wiring 20 23 Components .21 24 Supply connection and external exible cords 21 25 Terminals for external conductors .21 26 Provision for earthing 21 27 Screws and connections .21 28 Creepage distances, clearances and distances through insulation 21 29 Resistance to heat, re and tr

27、acking 21 30 Resistance to rusting 21 31 Radiation, toxicity and similar hazards .21 Annexes Annex K (normative) Battery Tools and Battery Packs Bibliography SEPTEMBER 20, 2013 CAN/CSA-C22.2 NO. 60745-2-23-13 UL 60745-2-23 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUT

28、ION WITHOUT PERMISSION FROM UL PREFACE This is the harmonized CSA Group and UL standard for Hand-Held Motor-Operated Electric Tools Safety Part 2-23: Particular Requirements for Die Grinders and Small Rotary Tools. It is the rst edition of CAN/CSA-C22.2 No. 60745-2-23 and the rst edition of UL 60745

29、-2-23. This standard is based on IEC 60745-2-23, rst edition published December 2012. This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the Harmonization Working Group for the Adoption of the IEC 60745 Series of Tool Standards are

30、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 Electric Tools under the jurisdiction of the CSA Technical Committee on Co

31、nsumer 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 of Canada by the Standards Council of Canada. This standard has been ap

32、proved 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 the intended primary application of this standard is stated in its scop

33、e, 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. This standard is published as an equivalent standard for CSA Group and

34、 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 in accordance with NAFTA Article 905, for example, because of funda

35、mental climatic, geographical, technological, or infrastructural 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 Group and

36、UL versions of the standard. While the technical content is the same in 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 present in the USA and Canada. SEPTEMBER

37、 20, 2013 CAN/CSA-C22.2 NO. 60745-2-23-13 UL 60745-2-23 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Interpretations The interpretation by the standards development organization of an identical or equivalent standard is based on the lite

38、ral text to determine compliance with the standard in accordance with the procedural rules of the standards development organization. If more than one interpretation of the literal text has been identied, a revision is to be proposed as soon as possible to each of the standards development organizat

39、ions to more accurately reect the intent. CSA Group Effective Date The effective date for CSA Group will be announced through a CSA Informs or CSA Group Certication Notice. UL Effective Date The effective date for UL is located in the Transmittal notice that accompanies the UL Standard. IEC Copyrigh

40、t For CSA Group, the text, gures, and tables of International Electrotechnical Commission Publication 60745-2-23, Hand-Held Motor-Operated Electric Tools Safety Part 2-23: Particular Requirements for Die Grinders and Small Rotary Tools, copyright 2012, are used in this standard with the consent of t

41、he International Electrotechnical Commission. The IEC Foreword is not a part of the requirements of this standard but is included for information purposes only. For UL, the text, gures and tables of IEC publication 60745-2-23, Hand-Held Motor-Operated Electric Tools Safety Part 2-23: Particular Requ

42、irements for Die Grinders and Small Rotary Tools, copyright 2012 are used in this Standard with the consent of the IEC and the American National Standards Institute (ANSI). The IEC copyrighted material has been reproduced with permission from ANSI. ANSI should be contacted regarding the reproduction

43、 of any portion of the IEC material. The IEC Foreword is not a part of the requirements of this Standard but is included for information purposes only. Copies of IEC Publication 60745-2-23 may be purchased from ANSI, 25 West 43rd Street, 4th Floor, New York, New York, 10036, (212) 642- 4900. APRIL 6

44、, 2015 CAN/CSA-C22.2 NO. 60745-2-23-13 UL 60745-2-23 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NATIONAL DIFFERENCES In the CSA and UL publications of this standard, National Differences from the text of International Electrotechnical

45、Commission (IEC) Publication 60745-2-23, Standard for Hand-Held Motor-Operated Electric Tools Safety Part 2-23: Particular Requirements for Die Grinders and Small Rotary Tools, copyright 2012 are indicated by notations (differences) and are presented in bold text. The national difference type is inc

46、luded in the body. There are ve types of National Differences as noted below. The difference type is noted on the rst line of the National Difference in the standard. The standard may not include all types of these National Differences. DR These are National Differences based on the national regulat

47、ory requirements. D1 These are National Differences which are based on basic safety principles and requirements, elimination of which would compromise safety for consumers and users of products. D2 These are national differences from IEC requirements based on existing safety practices. These require

48、ments reect national safety practices, where empirical substantiation (for the IEC or national requirement) is not available or the text has not been included in the IEC standard. DC These are National Differences based on the component standards and will not be deleted until a particular component

49、standard is harmonized with the IEC component standard. DE These are National Differences based on editorial comments or corrections. Addition / Add - An addition entails adding a complete new numbered clause, subclause, table, gure, or annex. Addition is not meant to include adding select words to the base IEC text. Modication / Modify - A modication is an altering of the existing base IEC text such as the addition, repl