CAN CSA-C22 2 NO 60745-2-2007 Hand-held motor-operated electric tools - safety - part 2-3 Particular requirements for grinders polishers and disk-type sanders (Second Edition).pdf

1、CAN/CSA-C22.2 No. 60745-2-3-07(IEC 60745-2-3:2006, MOD)A National Standard of Canada(reaffirmed 2012)Hand-held motor-operated electric tools safety part 2-3: Particular requirements for grinders, polishers and disk-type sandersLegal Notice for StandardsCanadian Standards Association (CSA) standards

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18、ndards Update ServiceCAN/CSA-C22.2 No. 60745-2-3-07May 2007Title: Hand-held motor-operated electric tools safety part 2-3: Particular requirements for grinders, polishers and disk-type sandersPagination: 40 pages (vi preliminary and 34 text)To register for e-mail notification about any updates to th

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34、e responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationCanadian Standards AssociationCAN/CSA-C22.2 No. 60745-2-3-07Second Edition(IEC 60745-2-3:2006, MOD)Underwriters Laboratories Inc.UL 60745-2-3Second EditionHand-H

35、eld Motor-Operated Electric Tools Safety Part 2-3:Particular requirements for Grinders, Polishers and Disk-Type SandersMAY 31, 2007ANSI/UL 60745-2-3-2007This national standard is based on publication IEC 60745-2-3, second edition (2006). Commitment for Amendments This standard is issued jointly by t

36、he 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 to the standards development procedures

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40、rd may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. The most recent designation of ANSI/UL 60745-2-3 as an American National Standard (ANSI) occurred on May 31, 2007. The ANSI approval

41、 for this standard does not include the Cover Page, Transmittal Pages, or the Title Page. This ANSI/UL Standard for Safety, which consists of the Second edition, is under continuous maintenance, whereby each revision is ANSI approved upon publication. To purchase UL Standards, visit COMM 2000 at htt

42、p:/m- help/how_to_order.aspx or call toll-free 1-888-853-3503. _ MAY 31, 2007 CAN/CSA-C22.2 No. 60745-2-3-07 UL 60745-2-3 iii CONTENTS Preface iv Canadian/US National Differences . vi IEC 60745-2-3, Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polish

43、ers and Disk-Type Sanders 1 Foreword 2 1 Scope . 5 2 Normative references . 5 3 Definitions. 5 4 General requirements. 7 5 General conditions for the tests 8 6 Void 8 7 Classification 8 8 Marking and instructions 8 9 Protection against access to live parts. 13 10 Starting . 13 11 Input and current 1

44、3 12 Heating . 13 13 Leakage current 13 14 Moisture resistance 13 15 Electric strength 13 16 Overload protection of transformers and associated circuits . 14 17 Endurance 14 18 Abnormal operation 14 19 Mechanical hazards . 14 20 Mechanical strength . 18 21 Construction . 20 22 Internal wiring . 21 2

45、3 Components . 21 24 Supply connection and external flexible 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, fire and tracking 21 30 Resistance

46、to rusting 22 31 Radiation, toxicity and similar hazards. 22 Annexes 33 Annex K (normative) Battery tools and battery packs . 33 Annex L (normative) Battery tools and battery packs provided with mains connection or non-isolated sources 33 Annex AA (informative) Material and thickness of guards. 33 B

47、ibliography 34 iv CAN/CSA-C22.2 No. 60745-2-3-07 UL 60745-2-3 MAY 31, 2007 Preface This is the common CSA and UL standard for Hand-Held Motor-Operated Electric Tools Safety Part 2-3: Particular Requirements for Grinders, Polishers and Disk-Type Sanders. It is the second edition of CAN/CSA-C22.2 No.

48、60745-2-3 and the second edition of UL 60745-2-3. This standard is based on IEC 60745-2-3, second edition. The first 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 first edition

49、 of 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 battery tools and battery packs are now incorporated into the requirements of CAN/CSA-C22.2 No. 60745-2-3, second edition, and UL 60745-2-3, second edition). The standard number has been aligned to correspond with the equivalent IEC 60745-2-3 stand