ANSI UL 62841-2-5-2016 UL Standard for Safety Electric Motor-Operated Hand-Held Tools Transportable Tools And Lawn And Garden Machinery C Safety C Part 2-5 Particular Requirements .pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 62841-2-5 Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws STANDARD FOR SAFETYU

2、L COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION 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 Tools, Transportable Tools And Lawn And Garden Mach

3、inery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws, UL 62841-2-5 First Edition, Dated August 10, 2016 Summary of Topics Adoption Of The First Edition Of UL 62841-2-5, Standard for Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safet

4、y Part 2-5: Particular Requirements for Hand-Held Circular Saws This standard is an adoption of IEC UL 62841-2-5, Edition 1 published June 2014. There are no technical national differences for this standard. The new requirements are substantially in accordance with Proposal(s) on this subject dated

5、August 10, 2016 and April 8, 2016. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is w

6、ithout 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 will UL be liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, lo

7、ss 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 possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless

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9、le purchaser is storing an electronic Standard on the purchasers computer system. AUGUST 10, 2016 UL 62841-2-5 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL AUGUST 10, 2016 UL 62841-2-5 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NO

10、T AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group CAN/CSA-C22.2 No. 62841-2-5:16 First Edition (IEC 62841-2-5:2014, MOD) Underwriters Laboratories Inc. UL 62841-2-5 First Edition Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden

11、 Machinery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws August 10, 2016 This national standard is based on publication IEC 62841-2-5, First Edition (2014). ANSI/UL 62841-2-5-2016 Approved byUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOU

12、T 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 any part of the standard may be submitted to CSA Group or UL at any time. Re

13、visions 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 or additional pages bearing their date of issue. ISBN 978-1-4883-0656-3 2016

14、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 suggestions for its improvement will be referred to the appropriate committ

15、ee. 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; wording of the proposed change; and rationale for the change. To purchase

16、 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 2016 Underwriters Laboratories Inc. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals sh

17、ould be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. This ANSI/UL Standard for Safety consists of the First Edition. The most recent designation of ANSI/UL 62841-2-5 as an American National Standard (ANSI) occurred on August 10, 2016. T

18、he ANSI approval for this standard does not include the Cover Page, Transmittal Pages, Title Page, Preface Page, National Difference Page or IEC Foreword. 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

19、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 PERMISSION FROM UL CONTENTS Preface .5 NA

20、TIONAL DIFFERENCES .7 FOREWORD 8 1 Scope 11 2 Normative references .11 3 Terms and denitions 11 4 General requirements 12 5 General conditions for the tests 12 6 Radiation, toxicity and similar hazards 13 7 Classication 13 8 Marking and instructions 13 8.14.1.101 Additional safety instructions for c

21、ircular saws 13 9 Protection against access to live parts 17 10 Starting 17 11 Input and current .18 12 Heating 18 13 Resistance to heat and re 18 14 Moisture resistance .18 15 Resistance to rusting 18 16 Overload protection of transformers and associated circuits 18 17 Endurance .18 17.101 Guarding

22、 system Longevity 18 17.102 Guarding System-Resistance 19 18 Abnormal operation .21 19 Mechanical hazards .22 19.101 Guarding above the base plate 22 19.101.2 Specic requirements .23 19.102 Guarding below the base plate 26 19.103 Base plate 27 20 Mechanical strength .28 21 Construction .29 22 Intern

23、al wiring 30 23 Components .30 24 Supply connection and external exible cords .30 25 Terminals for external conductors .30 26 Provision for earthing 30 27 Screws and connections .30 28 Creepage distances, clearances and distances through insulation 30 Annexes Annex I (informative) Measurement of noi

24、se and vibration emissions I.3 Vibration 49 AUGUST 10, 2016 CAN/CSA-C22.2 NO. 62841-2-5:16 UL 62841-2-5 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Annex K (normative) Battery tools and battery packs Annex AA (normative) Additional requ

25、irements for saws with a riving knife AA.20 Mechanical strength .54 Annex BB (normative) Additional requirements for lower guards for saws without a riving knife BB.20 Mechanical strength .56 Bibliography AUGUST 10, 2016 CAN/CSA-C22.2 NO. 62841-2-5:16 UL 62841-2-5 4UL COPYRIGHTED MATERIAL NOT AUTHOR

26、IZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Preface This is the harmonized CSA Group and UL Standard for Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws. It is

27、 the First edition of CAN/CSA-C22.2 No. 62841-2-5 and the First edition of UL 62841-2-5. This harmonized standard is based on IEC Publication 62841-2-5: First edition Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-5: Particular Requirements f

28、or Hand-Held Circular Saws issued June 2014. IEC 62841-2-5 is copyrighted by the IEC. This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the International Harmonization Committee (IHC) for the adoption of the IEC series of standards

29、 for Hand-Held, Motor-Operated, and Transportable Tools and Lawn and Garden Machinery 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

30、 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 Technical Committee. This standard has been approved as

31、a National Standard of Canada by the Standards Council of Canada (SCC). This standard has been approved by the American National Standards Institute (ANSI) as an American National Standard. Application of Standard Where reference is made to a specic number of samples to be tested, the specied number

32、 is to be considered 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. This CAN/CSA-C22.2 No. 6284

33、1-2-5 Standard for Safety for Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws is to be used in conjunction with the First edition of CAN/CSA-C22.2 No. 62841-1. The requirements for hand-he

34、ld circular saws are contained in this Part 2 Standard and CAN/CSA-C22.2 No. 62841-1. Requirements of this Part 2 Standard, where stated, amend the requirements of CAN/CSA-C22.2 No. 62841-1. Where a particular subclause of CAN/CSA-C22.2 No. 62841-1 is not mentioned in CAN/CSA-C22.2 No. 62841-2-5, th

35、e CAN/CSA-C22.2 No. 62841-1 subclause applies. This UL Standard 62841-2-5 Standard for Safety for Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws, is to be used in conjunction with the Fir

36、st edition of UL 62841-1. The AUGUST 10, 2016 CAN/CSA-C22.2 NO. 62841-2-5:16 UL 62841-2-5 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL requirements for hand-held circular saws are contained in this Part 2 Standard and UL 62841-1. Require

37、ments of this Part 2 Standard, where stated, amend the requirements of UL 62841-1. Where a particular subclause of UL 62841-1 is not mentioned in UL 62841-2-5, the UL 62841-1 subclause applies. Level of harmonization This standard adopts the IEC text with national differences. This standard is publi

38、shed as an equivalent standard for CSA Group 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 in accordance with

39、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 word except for editorial changes. All national differences from

40、 the IEC text are included in the CSA Group and 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 National differences from the IEC are being added in order to address safety an

41、d regulatory situations present in the US and Canada. Interpretations The interpretation by the standards 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 de

42、velopment 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 organizations to more accurately reect the intent. IEC Copyright For CSA Group, the text, gures, and tables of Internat

43、ional Electrotechnical Commission Publication IEC 62841-2-5 Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws, copyright 2014, are used in this standard with the consent of the International

44、 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 IEC 62841-2-5, Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machi

45、nery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws, copyright 2014 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 r

46、egarding the reproduction 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 IEC 62841-2-5 may be purchased from ANSI, 25 West 43rd Street, 4th Floor, New York, New York, 100

47、36, (212) 642- 4900. AUGUST 10, 2016 CAN/CSA-C22.2 NO. 62841-2-5:16 UL 62841-2-5 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NATIONAL DIFFERENCES National Differences from the text of the International Electrotechnical Commission (IEC)

48、publication 62841-2-5, Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-5: Particular Requirements for Hand-Held Circular Saws, copyright 2014 are indicated by notations (differences) and are presented in bold text. The national difference type

49、 is included 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 regulatory requirements. D1 These are National Differences which are based on basic safety principles and requireme