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1、UL 60745-2-8Hand-Held Motor-OperatedElectric Tools Safety Part2-8: Particular Requirements for Shears and NibblersMARCH 13, 2009 UL 60745-2-8tr3Underwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Hand-Held Motor-Operated Electric Tools Safety Part
2、 2-8: ParticularRequirements for Shears and Nibblers, UL 60745-2-8Second Edition, Dated March 26, 2004Revisions: This Standard contains revisions through and including March 13, 2009.Summary of TopicsThe revisions dated March 13, 2009 were issued to incorporate the following revised requirements to
3、reflect the March 13, 2009 ANSI recognition of the standard.1. Revisions to align with IEC Amendment No. 1 for IEC 60745-2-8, second edition2. Revisions to add superseded requirement pages that incorporate requirements to be applied to shears and nibblers investigated to the requirements of the Thir
4、d edition of the Standard for Hand-Held Motor-Operated Electric Tools Safety Part 1: General Requirements, UL 60745-1.UL Standards for Safety are developed and maintained in the Standard Generalized Markup Language (SGML). SGML - an international standard (ISO 8879-1986) - is a descriptive markup la
5、nguage that describes a documents structure and purpose, rather than its physical appearance on a page. Due to formatting differences resulting from the use of ULs new electronic publishing system, please note that additional pages (on which no requirements have been changed) may be included in revi
6、sion pages due to relocation of existing text and reformatting of the Standard.Text that has been changed in any manner is marked with a vertical line in the margin. The following table lists the future effective dates with the corresponding reference.Future Effective DatesReferencesOctober 31, 2012
7、Entire StandardThe revised requirements are substantially in accordance with ULs Proposal(s) on this subject datedOctober 24, 2008 and February 6, 2009.The revisions dated March 13, 2009 include a reprinted title page (page1) for this Standard.As indicated on the title page (page 1), this UL Standar
8、d for Safety is an American National Standard. Attention is directed to the note on the title page of this Standard outlining the procedures to be followed to retain the approved text of this ANSI/UL Standard.The UL Foreword is no longer located within the UL Standard. For information concerning the
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21、ng the requirements of a Standard, conducting a word search, and the like. Only one copy of the Standard may be printed from each single-user version of an electronic Standard. Only one copy of the Standard may be printed for eachauthorized user of a multiple-user version of an electronic Standard.
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23、 copy of the page or pages being viewed for their own fair and/or practical internal use.The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, figures, and/or other elements of the Standard having future effective dates as indicated in the preface. The p
24、rior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice.New product submittals made prior to a specified future effective date will be judged under all of the requirements in this Sta
25、ndard including those requirements with a specified future effective date, unless the applicant specifically requests that the product be judged under the current requirements. However, if the applicant elects this option, it should be noted that compliance with all the requirements in this Standard
26、 will be required as a condition of continued Listing and Follow-Up Services after the effective date, and understanding of this should be signified in writing.Copyright 2009 Underwriters Laboratories Inc.This Standard consists of pages dated as shown in the following checklist:PageDate1-4 . March 1
27、3, 20095 . March 26, 20046-13 . March 13, 200914 . March 26, 200415-16 . March 13, 2009SR1-SR2 . March 13, 2009No Text on This PageCanadian Standards AssociationCAN/CSA-C22.2 No. 60745-2-8-04Second Edition(IEC 60745-2-8:2003, IDT)Underwriters Laboratories Inc. UL 60745-2-8Second EditionHand-Held Mot
28、or-Operated Electric Tools Safety Part 2-8: Particular Requirements for Shears and NibblersMarch 26, 2004(Title Page Reprinted: March 13, 2009)This national standard is based on publication IEC 60745-2-8, Second Edition (2008-05).This amendment is an adoption of IEC Amendment 1(2008) to publication
29、IEC 60745-2-8, SecondEdition (2005).ANSI/UL 60745-2-8-2009Commitment for AmendmentsThis 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
30、 time. Revisions to this standard will be made only after processing according 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 1-55397-463-8 2004Canadian
31、Standards AssociationAll rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.To purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca or call toll-free 1-800-463-6727 or 416-747-4004.
32、Copyright 2009 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive
33、 property of UL.This ANSI/UL Standard for Safety consists of the Second edition including revisions through March 13,2009.The most recent designation of ANSI/UL 60745-2-8 as an American National Standard (ANSI) occurred on March 13, 2009. ANSI approval for a standard does not include the Cover Page,
34、 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 submitted to UL at any time. Proposals should be submi
35、tted via a Proposal 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.MARCH 13, 2009CAN/CSA-C22.2 NO. 60745-2-8-04UL 60745-2-83CONTENTSPreface . .5FOREWORD . .71 Scope . .102 Norma
36、tive references . .103 Terms and Definitions . .104 General requirements . .105 General conditions for the tests . .106 Void . .107 Classification . .108 Marking and instructions . .119 Protection against access to live parts . .1110 Starting . .1111 Input and current . .1112 Heating . .1113 Leakage
37、 current . .1114 Moisture resistance . .1115 Electric strength . .1116 Overload protection of transformers and associated circuits . .1117 Endurance . .1118 Abnormal operation . .1219 Mechanical hazards . .1220 Mechanical strength . .1221 Construction . .1222 Internal wiring . .1223 Components . .12
38、24 Supply connection and external flexible cords . .1225 Terminals for external conductors . .1226 Provision for earthing . .1227 Screws and connections . .1228 Creepage distances, clearances and distances through insulation . .1229 Resistance to heat, fire and tracking . .1330 Resistance to rusting
39、 . .1431 Radiation, toxicity and similar hazards . .14AnnexesAnnex K (normative) Battery Tool and Battery PacksAnnex L (normative) Battery Tools and Battery Packs Provided with Mains Connection orNon-Isolated SourcesBibliographyNo Text on This PageMARCH 26, 2004CAN/CSA-C22.2 NO. 60745-2-8-04UL 60745-2-85PrefaceThis is the common CSA and UL sta