ANSI UL 62841-3-4-2016 UL Standard for Safety Electric Motor-Operated Hand-Held Tools Transportable Tools And Lawn And Garden Machinery C Safety C Part 3-4 Particular Requirements .pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 62841-3-4 Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-4: Particular Requirements For Transportable Bench Grinders STANDARD FOR SAFET

2、YUL 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 Electric Motor-Operated Hand-Held Tools, Transportable Tool

3、s And Lawn And Garden Machinery Part 3-4: Particular Requirements For Transportable Bench Grinders, UL 62841-3-4 First Edition, Dated December 23, 2016 Summary of Topics Adoption Of The First Edition Of IEC 62841-3-4, Standard For Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn

4、 And Garden Machinery Safety Part 3-4: Particular Requirements For Transportable Bench Grinders, As The First Edition Of UL 62841-3-4 This standard is an adoption of IEC 62841-3-4, Edition 1, published by the IEC February 2016. There are no technical national differences for this standard. The new r

5、equirements are substantially in accordance with Proposal(s) on this subject dated August 5, 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 w

6、ithout 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 will UL be liable for any special, incidental, consequential, indire

7、ct 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 possibility of such damage. In no event shall ULs liability for any

8、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, liability, damage, claim, or judgment (including reasonable atto

9、rneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. DECEMBER 23, 2016 UL 62841-3-4 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL DECEMBER 23,

10、2016 UL 62841-3-4 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group CAN/CSA-C22.2 No. 62841-3-4:16 First Edition (IEC 62841-3-4:2016 MOD) Underwriters Laboratories Inc. UL 62841-3-4 First Edition Electric Moto

11、r-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 62841-3-4: Particular Requirements For Transportable Bench Griners December 23, 2016 This national standard is based on publication IEC 62841-3-4 First Edition (2016). ANSI/UL 62841-3-4-2016 Approved byUL COPYR

12、IGHTED 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 o

13、n any part of the standard may be submitted to CSA Group or UL at any time. 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

14、 or additional pages bearing their date of issue. ISBN 978-1-4883-0786-7 2016 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 within ve years from the date of publica

15、tion, and suggestions 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 g

16、ure 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.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044. Copyright 2016 Underwriters Laboratories Inc. Comments or proposals for r

17、evisions 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 Development System (CSDS) at https:/. This ANSI/UL Standard for Safety consists of the First Edition. The most recent designation of AN

18、SI/UL 62841-3-4 as an American National Standard (ANSI) occurred on December 23, 2016. The 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 St

19、andard 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 https:/. To purchase UL Standards, visit Comm 2000 at http:/m- or call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORIZED F

20、OR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION 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 Radiation, toxicity and similar hazards 11 7 Cl

21、assication 11 8 Marking and instructions 11 9 Protection against access to live parts 14 10 Starting 14 11 Input and current .14 12 Heating 14 13 Resistance to heat and re 14 14 Moisture resistance .14 15 Resistance to rusting 14 16 Overload protection of transformers and associated circuits 14 17 E

22、ndurance .14 18 Abnormal operation .15 19 Mechanical hazards .16 20 Mechanical strength .20 21 Construction .22 22 Internal wiring 22 23 Components .22 24 Supply connection and external exible cables and cords 22 25 Terminals for external conductors .22 26 Provision for earthing 22 27 Screws and con

23、nections .22 28 Creepage distances, clearances and distances through insulation 23 Annexes Annex I (informative) Measurement of noise and vibration emissions I.2 Noise test code (grade 2) .29 I.3 Vibration 30 Bibliography DECEMBER 23, 2016 CAN/CSA-C22.2 NO. 62841-3-4:16 UL 62841-3-4 3UL COPYRIGHTED

24、MATERIAL NOT AUTHORIZED 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 3-4: Particular Requirements for Transportab

25、le Bench Grinders. It is the First edition of CAN/CSA-C22.2 No. 62841-3-4 and the First edition of UL 62841-3-4. This harmonized standard is based on IEC Publication 62841-3-4: First edition Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-4: P

26、articular Requirements for Transportable Bench Grinders issued February 2016. IEC 62841-3-4 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 adopti

27、on of the IEC series of standards 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 Su

28、bcommittee 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 Technical Committee. Th

29、is standard has been approved as 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

30、 to be tested, the specied number 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 pur

31、pose. This CAN/CSA-C22.2 No. 62841-3-4, Standard For Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-4: Particular Requirements for Transportable Bench Grinders is to be used in conjunction with the First edition of CAN/CSA-C22.2 No. 62841-1.

32、The requirements for transportable bench grinders are contained in this Part 3 Standard and CAN/CSA-C22.2 No. 62841-1. Requirements of this Part 3 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 i

33、n CAN/CSA-C22.2 No. 62841-3-4, the CAN/CSA-C22.2 No. 62841-1 subclause applies. This UL 62841-3-4 Standard For Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-4: Particular Requirements for Transportable Bench Grinders, is to be used in conjun

34、ction with the First edition of UL 62841-1. The requirements for DECEMBER 23, 2016 CAN/CSA-C22.2 NO. 62841-3-4:16 UL 62841-3-4 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL transportable bench grinders are contained in this Part 3 Standar

35、d and UL 62841-1. Requirements of this Part 3 Standard, where stated, amend the requirements of UL 62841-1. Where a particular subclause of UL 62841-1 is not mentioned in UL 62841-3-4, the UL 62841-1 subclause applies. Level of harmonization This standard adopts the IEC text with editorial national

36、differences. This standard is published 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 reco

37、gnized 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 word except for editorial cha

38、nges. All national differences from 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

39、added in order to address safety and 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 p

40、rocedural 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 organizations to more accurately reect the intent. IEC Copyright For CSA Group, the

41、text, gures, and tables of International Electrotechnical Commission Publication IEC 62841-3-4 Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-4: Particular Requirements for Transportable Bench Grinders, copyright 2016, are used in this standa

42、rd with the consent of the International Electrotechnical Commission. The IEC Foreword is not a part of the requirements of this standard but is included for information purposes only. These materials are subject to copyright claims of IEC and UL. No part of this publication may be reproduced in any

43、 form, including an electronic retrieval system, without the prior written permission of UL. All requests pertaining to the Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-4: Particular Requirements for Transportable Bench Grinders UL 62841-3-

44、4 Standard should be submitted to UL. DECEMBER 23, 2016 CAN/CSA-C22.2 NO. 62841-3-4:16 UL 62841-3-4 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL NATIONAL DIFFERENCES National Differences from the text of the International Electrotechnica

45、l Commission (IEC) publication 62841-3-4, Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-4: Particular Requirements for Transportable Bench Grinders, copyright 2016 are indicated by notations (differences) and are presented in bold text. The

46、national difference type 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 Difference

47、s based on the national regulatory 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

48、safety practices. These requirements 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 delete

49、d until a particular component standard is harmonized with the IEC component standard. DE These are National Differences based on editorial comments or corrections. Each national difference contains a description of what the national difference entails. Typically one of the following words is used to explain how the text of the national difference is to be applied to the base IEC text: Addition / Add - An addition entails a