1、CAN/CSA-C22.2 No. 62841-2-4:15Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery Safety Part 2-4: Particular requirements for hand-held sanders and polishers other than disc type(IEC 62841-2-4:2014, MOD)CAN/CSA-C22.2 No. 62841-2-4:15(IEC 62841-2-4:2014, MOD)Na
2、tional Standard of Canada IEC 2014. CSA Group 2015. All rights reserved. Unauthorized reproduction is strictly prohibited.Legal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards
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16、ument is in electronic form:sLOADTHISDOCUMENTONTOACOMPUTERFORTHESOLEPURPOSEOFREVIEWINGITsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$ relevant clause, table, and/or gure number; wording ofthe proposed change; and rationale for the change.To purchase CSA Group Standards and related publ
17、ications, visit CSA Group s Online Store atshop.csa.ca or call toll-free 1-800-463-6727 or 416-747-4044.Copyright 2015 Underwriters Laboratories Inc.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 Request
18、 in UL s On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.The most recent designation of ANSI/UL 60745-2-4 as a Reaffirmed American National Standard(ANS) occurred on November 30, 2015. The ANSI approval for this standard does not include theCover Page, Transmittal Pages, Title Pag
19、e, 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 Request in UL s On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.To purchase UL
20、Standards, visit Comm 2000 at http:/m- call toll-free 1-888-853-3503.CONTENTSPreface.5NATIONALDIFFERENCES.7FOREWORD81 Scope 112 Normativereferences.113 Termsanddenitions 114 Generalrequirements 125 Generalconditionsforthetests126 Radiation,toxicityandsimilarhazards127 Classication 128 Markingandinst
21、ructions129 Protectionagainstaccesstoliveparts1210 Starting1211 Inputandcurrent .1312 Heating1313 Resistancetoheatandre 1314 Moistureresistance .1315 Resistancetorusting1316 Overload protection of transformers and associated circuits 1317 Endurance .1318 Abnormaloperation .1319 Mechanicalhazards.142
22、0 Mechanicalstrength.1521 Construction .1522 Internalwiring 1623 Components .1624 Supplyconnectionandexternalexiblecords 1625 Terminalsforexternalconductors.1626 Provisionforearthing1627 Screwsandconnections.1628 Creepage distances, clearances and distances through insulation 16AnnexesAnnex I (infor
23、mative) Measurement of noise and vibration emissionsI.2 Noisetestcode(grade2)20I.2.4 Installation and mounting conditions of the power tools during noise tests .20I.2.5 Operatingconditions20I.3 Vibration.20I.3.3.2 Locationofmeasurement20I.3.5.3 Operatingconditions 20I.3.6.2 Declarationofthevibration
24、totalvalue.21NOVEMBER 30, 2015 CAN/CSA-C22.2 NO. 62841-2-4:15 UL 62841-2-4 3Annex K (normative) Battery tools and battery packsBibliographyNOVEMBER 30, 2015CAN/CSA-C22.2 NO. 62841-2-4:15 UL 62841-2-44PrefaceThis is the harmonized CSA Group and UL Standard for Motor-Operated Hand-Held Tools, Transpor
25、tableTools And Lawn And Garden Machinery Safety Part 2-4: Particular Requirements For Hand-HeldSanders And Polishers Other Than Disc Type. It is the First edition of CAN/CSA-C22.2 No. 62841-2-4 andthe First edition of UL 62841-2-4.This harmonized standard is based on IEC Publication 62841-2-4: First
26、 edition Motor-OperatedHand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-4: ParticularRequirements For Hand-Held Sanders And Polishers Other Than Disc Type issued 06-2014.This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). Theeff
27、orts and support of the International Harmonization Committee (IHC) for the adoption of the IEC seriesof standards for Hand-Held, Motor-Operated, and Transportable Tools and Lawn and Garden MachineryUL are gratefully acknowledged.This standard is considered suitable for use for conformity assessment
28、 within the stated scope of thestandard.This standard was reviewed by the CSA Subcommittee on Safety of Hand-Held Motor-Operated ElectricTools, under the jurisdiction of the CSA Technical Committee on Consumer and Commercial Products andthe CSA Strategic Steering Committee on Requirements for Electr
29、ical Safety, and has been formallyapproved by the CSA Technical Committee.This 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 AmericanNational Standard.Appli
30、cation of StandardWhere reference is made to a specic number of samples to be tested, the specied number is to beconsidered a minimum quantity.Note:Althoughtheintendedprimaryapplicationofthisstandardisstatedinitsscope,itisimportanttonotethatit remains the responsibility of the users of the standard
31、to judge its suitability for their particular purpose.This CAN/CSA-C22.2 No. 62841-2-4 Standard for Safety for Motor-Operated Hand-Held Tools,Transportable Tools And Lawn And Garden Machinery Safety Part 2-4: Particular Requirements ForHand-Held Sanders And Polishers Other Than Disc Type is to be us
32、ed in conjunction with the First editionof CAN/CSA-C22.2 No. 62841-1. The requirements for hand-held sanders and polishers other than disctype are contained in this Part 2 Standard and CAN/CSA-C22.2 No. 62841-1. Requirements of this Part2 Standard, where stated, amend the requirements of CAN/CSA-C22
33、.2 No. 62841-1. Where a particularsubclause of CAN/CSA-C22.2 No. 62841-1 is not mentioned in CAN/CSA-C22.2 No. 62841-2-4, theCAN/CSA-C22.2 No. 62841-1 subclause applies.This UL Standard 62841-2-4 Standard for Safety for Standard for Safety for Motor-Operated Hand-HeldTools, Transportable Tools And L
34、awn And Garden Machinery Safety Part 2-4: ParticularRequirements For Hand-Held Sanders And Polishers Other Than Disc Type, is to be used in conjunctionwith the First edition of UL 62841-1. The requirements for hand-held sanders and polishers other than discNOVEMBER 30, 2015 CAN/CSA-C22.2 NO. 62841-2
35、-4:15 UL 62841-2-4 5type are contained in this Part 2 Standard and UL 62841-1. Requirements of this Part 2 Standard, wherestated, amend the requirements of UL 62841-1. Where a particular subclause of UL 62841-1 is notmentioned in UL 62841-2-4, the UL 62841-1 subclause applies.Level of harmonizationT
36、his standard adopts the IEC text with editorial national 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 co
37、des and governmental regulations as well as thoserecognized 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 thatthe country considers appropriate. Pre
38、sentation is word for word except for editorial changes.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 organization s version, the format and presentation maydiffer.Reasons for Differences From
39、IECDifferences from the IEC are being added in order to address safety and regulatory situations present inthe US and Canada.InterpretationsThe interpretation by the standards development organization of an identical or equivalent standard isbased on the literal text to determine compliance with the
40、 standard in accordance with the proceduralrules of the standards development organization. If more than one interpretation of the literal text has beenidentied, a revision is to be proposed as soon as possible to each of the standards developmentorganizations to more accurately reect the intent.IEC
41、 CopyrightFor CSA Group, the text, gures, and tables of International Electrotechnical Commission Publication IEC62841-2-4 Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-4: Particular Requirements For Hand-Held Sanders And Polishers Other Than Disc Ty
42、pe,copyright 2014, are used in this standard with the consent of the International ElectrotechnicalCommission. The IEC Foreword is not a part of the requirements of this standard but is included forinformation purposes only.For UL, the text, gures and tables of IEC publication IEC 62841-2-4, Motor-O
43、perated Hand-Held Tools,Transportable Tools And Lawn And Garden Machinery Safety Part 2-4: Particular Requirements ForHand-Held Sanders And Polishers Other Than Disc Type, copyright 2014 are used in this standard withthe consent of the IEC and the American National Standards Institute (ANSI). The IE
44、C copyrightedmaterial has been reproduced with permission from ANSI. ANSI should be contacted regarding thereproduction of any portion of the IEC material. The IEC Foreword is not a part of the requirements of thisstandard but is included for information purposes only. Copies of IEC Publication IEC
45、62841-2-4 may bepurchased from ANSI, 25 West 43rd Street, 4th Floor, New York, New York, 10036, (212) 642- 4900.NOVEMBER 30, 2015CAN/CSA-C22.2 NO. 62841-2-4:15 UL 62841-2-46NATIONAL DIFFERENCESNational Differences from the text of the International Electrotechnical Commission (IEC) publication62841-
46、2-4 (Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 2-4: Particular Requirements For Hand-Held Sanders And Polishers Other Than Disc Type)copyright 2014 are indicated by notations (differences) and are presented in bold text. The nationaldifference type
47、 is included in the body.There are ve types of National Differences as noted below. The difference type is noted on the rst lineof the National Difference in the standard. The standard may not include all types of these NationalDifferences.DR These are National Differences based on the national regu
48、latory 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. Theserequirem
49、ents reect national safety practices, where empirical substantiation (for the IEC or nationalrequirement) 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 untila particular component standard is harmonized
