ANSI UL 60745-1-2007 UL Standard for Safety Hand-Held Motor-Operated Electric Tools C Safety C Part 1 General Requirements (Fourth Edition Reprint with Revisions Through and Includ.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60745-1 Hand-Held Motor-Operated Electric Tools Safety Part 1: General Requirements STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT

2、 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 1: General Requirements, UL 60745-1 Fourth Edition, Dated July 31, 2007 SUMMARY OF TOPICS The r

3、evisions dated November 28, 2016 are being issued to update outdated references and UL effective date information in the Preface Page. No changes in requirements are involved. As noted in the Commitment for Amendments statement located on the back side of the title page, UL and CSA are committed to

4、updating this harmonized standard jointly. However, the revision pages dated November 28, 2016 will not be jointly issued by UL and CSA as these revision pages address UL ANSI approval dates only. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with

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9、purchaser is storing an electronic Standard on the purchasers computer system. NOVEMBER 28, 2016 UL 60745-1 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NOVEMBER 28, 2016 UL 60745-1 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT A

10、UTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Canadian Standards Association CAN/CSA-C22.2 No. 60745-1-07 Third Edition (IEC 60745-1:2006, MOD) Underwriters Laboratories Inc. UL 60745-1 Fourth Edition Hand-Held Motor-Operated Electric Tools Safety Part 1: General Requ

11、irements July 31, 2007 (Title Page Reprinted: May 17, 2013) This national standard is based on publication IEC 60745-1, 4th Edition (2006). ANSI/UL 60745-1-2013 Approved byUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendm

12、ents This standard is issued jointly by the Canadian Standards Association (CSA) and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on any part of the standard may be submitted to CSA or UL at any time. Revisions to this standard will be made only after processing according

13、 to the standards development procedures of CSA and UL. CSA 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 1-55436-444-2 2007 CSA Group All rights reserved. No part of this publication may be reproduced in any f

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17、hall remain the sole and exclusive property of UL. This ANSI/UL Standard for Safety consists of the Fourth edition of ANSI/UL 60745-1 including revisions through May 17, 2013. The most recent designation of ANSI/UL 60745-1 as an American National Standard (ANSI) occurred on May 17, 2013. ANSI approv

18、al for a standard does not include 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 sub

19、mitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at https:/. 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 REPROD

20、UCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS Preface .7 NATIONAL DIFFERENCES .9 FOREWORD . 10 1 Scope 13 2 Normative references 14 3 Terms and Denitions 22 4 General requirements 26 5 General conditions for the tests .26 6 Void 29 7 Classication 29 8 Marking and instructions 29 9 Prote

21、ction against access to live parts .42 10 Starting 43 11 Input and current 44 12 Heating 44 13 Leakage current .49 14 Moisture resistance 50 15 Electric strength .54 16 Overload protection of transformers and associated circuits 55 17 Endurance 56 18 Abnormal operation 57 19 Mechanical hazards 64A 2

22、0 Mechanical strength 64B 21 Construction 66 22 Internal wiring .74 23 Components 75 24 Supply connection and external exible cords .78 25 Terminals for external conductors .86 26 Provision for earthing 89 27 Screws and connections .91 28 Creepage distances, clearances and distances through insulati

23、on .94 29 Resistance to heat, re and tracking .97 30 Resistance to rusting 99 31 Radiation, toxicity and similar hazards 100 Annex A (normative) Measurement of creepage distances and clearances A.1 Measurement of creepage distances and clearances 113 JANUARY 13, 2010 CAN/CSA-C22.2 NO. 60745-1-07 UL

24、60745-1 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annex B (normative) Motors not isolated from the supply mains and having basic insulation not designed for the rated voltage of the tool B.1 Scope .118 B.9 Protection against access to

25、 live parts .118 B.12 Heating .118 B.15 Electric strength 118 B.18 Abnormal operation .118 B.21 Construction .118 B.28 Creepage distances, clearances and distances through insulation 119 Annex C Void Annex D Void Annex E Void Annex F (normative) Needle-ame test 5 Description of the test apparatus .1

26、24 5.4 Specied layer 124 7 Severities .124 9 Test procedure .124 9.3 Number of test specimens .124 11 Evaluation of test results .124 Annex G (normative) Proof tracking test 5 Test specimen 125 7 Test apparatus .125 8 Basic test procedure 125 9 Determination of erosion 125 10 Determination of proof

27、tracking index (PTI) .125 11 Determination of comparative tracking index (CTI) 125 Annex H Void Annex I (normative) Switches 8 Marking and documentation .127 13 Mechanism .127 15 Insulation resistance and dielectric strength .127 17 Endurance .127 17.2.4.4 Test at accelerated speed (TC4) 128 20 Clea

28、rances, creepage distances, solid insulation and coatings of rigid printed board assemblies .129 JUNE 18, 2010 CAN/CSA-C22.2 NO. 60745-1-07 UL 60745-1 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annex J (informative) Selection and seque

29、nce of the tests of clause 29 Annex K (normative) Battery tools and battery packs K.1 Scope 131 K.2 Normative references .131 K.3 Terms and Denitions .131 K.5 General conditions for the tests .132 K.7 Classication .132 K.8 Marking and instructions .132 K.9 Protection against electric shock 134 K.10

30、Starting .134 K.11 Input and current .134 K.12 Heating 135 K.13 Leakage current 135 K.14 Moisture resistance .135 K.15 Electric Strength 135 K.16 Overload protection of transformers and associated circuits 136 K.17 Endurance .136 K.18 Abnormal operation .136 K.19 Mechanical Hazards 137 K.20 Mechanic

31、al strength 137 K.21 Construction .137 K.22 Internal wiring 137 K.23 Components .138 K.24 Supply connection and external exible cords 138 K.25 Terminals for external conductors 138 K.26 Provision for earthing .138 K.27 Screws and connections .138 K.28 Creepage distances, clearances and distances thr

32、ough insulation 139 K.29 Resistance to heat, re and tracking 140 Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources L.1 Scope .142 L.2 Normative References .142 L.3 Terms and denitions 142 L.5 General conditions for the tests .143 L.7 Classicat

33、ion .143 L.8 Marking and Instructions .143 L.9 Protection against electric shock 145 L.10 Starting .145 L.11 Input and current 145 L.12 Heating 146 L.13 Leakage current 146 L.14 Moisture resistance .146 L.15 Electric strength 146 L.16 Overload protection of transformers and associated circuits 146 L

34、.17 Endurance .146 L.18 Abnormal operation .146 JANUARY 13, 2010 CAN/CSA-C22.2 NO. 60745-1-07 UL 60745-1 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL L.19 Mechanical Hazards 147 L.20 Mechanical strength .147 L.21 Construction 148 L.22 In

35、ternal wiring 148 L.23 Components 148 L.24 Supply connection and external exible cords 149 L.25 Terminals for external conductors .149 L.26 Provision for earthing .149 L.28 Creepage distances, clearances and distances through insulation 149 L.29 Resistance to heat, re and tracking 151 Annex M (norma

36、tive) Safety of working stands for operation with hand-held motor-operated electric tools M.1 Scope .153 M.2 Normative references .153 M.3 Terms and Denitions 153 M.5 General conditions for the tests 153 M.7 Classication 154 M.8 Marking and instructions 154 M.10 Starting 155 M.11 Input and current 1

37、55 M.17 Endurance 155 M.19 Mechanical hazards 155 M.21 Construction .156 M.23 Components 158 M.24 Supply connection and external exible cords .159 M.25 Terminals for external conductors 159 Annex N (normative) Rules for routine tests N.1 General 160 N.2 Correct operation test .160 N.3 Electric stren

38、gth test 160 N.4 Earthing continuity test 161 Bibliography MARCH 15, 2011 CAN/CSA-C22.2 NO. 60745-1-07 UL 60745-1 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the common CSA and UL standard for Hand-Held Motor-Operated El

39、ectric Tools Safety Part 1. It is the third edition of CAN/CSA-C22.2 No. 60745-1 and the fourth edition of UL 60745-1. This standard is based on IEC 60745-1, fourth edition. This standard, CAN/CSA-C22.2 No. 60745-1 third edition and UL 60745-1 fourth edition, supercedes CAN/CSA-C22.2 No. 60745-1, se

40、cond edition and UL 60745-1, third edition. This common standard was prepared by the Canadian Standards Association (CSA) and Underwriters Laboratories Inc. (UL). This standard is considered suitable for use for conformity assessment within the stated scope of the standard. This standard was reviewe

41、d by the CSA Subcommittee on Safety of Hand-Held Motor-Operated Electric 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 Technica

42、l Committee. This standard has been approved as a National Standard of Canada (SCC). 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 to be c

43、onsidered a minimum quantity. Note: Although 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 a

44、dopts the IEC text with national differences. 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 regula

45、tions as well as those recognized as being in accordance with NAFTA Article 905, for example, because of fundamental climatic, geographical, technological, or infrastructural factors, scientic justication, or the level of protection that the country considers appropriate. Presentation is word for wo

46、rd 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 in each organizations version, the format and presentation may differ. Interpretations The interpretation by the standards deve

47、lopment 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 propose

48、d as soon as possible to each of the standards development organizations to more accurately reect the intent. JULY 31, 2007 CAN/CSA-C22.2 NO. 60745-1-07 UL 60745-1 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Effective Date The effec

49、tive date for CSA International will be announced through CSA Informs or a CSA certication notice. UL Effective Date UL 60745-1 and all revisions to the standard are effective upon publication. A UL effective date is one established by Underwriters Laboratories Inc. and is not part of the ANSI approved standard. IEC Copyright For UL, the text, gures and tables of IEC publication 60745-1, Hand-Held Motor-Operated Electric Tools Safety Part 1: Gen