1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 745-2-35Particular Requirements forDrain CleanersUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED
2、 FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUnderwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Particular Requirements for Drain Cleaners, UL 745-2-35Second Edition, Dated August 13, 2007Summary of TopicsThis new Second edi
3、tion was issued to clarify the UL effective date statement shown on thePreface page and to make other administrative changes. The technical content of the Firstedition has been reproduced verbatim in this edition; the text of the standard has not beenchanged.As noted in the Commitment for Amendments
4、 statement located on the back side of the titlepage, UL and CSA are committed to updating this IEC-based binational standard jointly.However, this Second edition dated August 13, 2007 will not be issued by CSA since itaddresses UL only administrative changes.The UL Foreword is no longer located wit
5、hin the UL Standard. For information concerning the use andapplication of the requirements contained in this Standard, the current version of the UL Foreword islocated on ULStandardsInfoNet at: http:/ master for this Standard at ULs Northbrook Office is the official document insofar as it relates to
6、 aUL service and the compliance of a product with respect to the requirements for that product and service,or if there are questions regarding the accuracy of this Standard.ULs Standards for Safety are copyrighted by UL. Neither a printed copy of a Standard, nor the distributiondiskette for a Standa
7、rd-on-Diskette and the file for the Standard on the distribution diskette should bealtered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding thoseStandards shall remain the sole and exclusive property of UL.All rights reserved. No part of this publication may be r
8、eproduced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.Revisions of UL Standards for Safety are issued from time to time. A UL Standard for Safety is currentonly if it incorporates th
9、e most recently adopted revisions.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential, ind
10、irect or similar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Standard, even if UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability for an
11、y damage ever exceed the price paid forthis Standard, regardless of the form of the claim.AUGUST 13, 2007 UL 745-2-35 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL will attempt to answer support requests concerning electronic versions
12、of its Standards. However, thissupport service is offered on a reasonable efforts basis only, and UL may not be able to resolve everysupport request. UL supports the electronic versions of its Standards only if they are used under theconditions and operating systems for which it is intended. ULs sup
13、port policies may change fromtime-to-time without notification.UL reserves the right to change the format, presentation, file types and formats, delivery methods andformats, and the like of both its printed and electronic Standards without prior notice.Purchasers of the electronic versions of ULs St
14、andards for Safety agree to defend, indemnify, and holdUL harmless from and against any loss, expense, liability, damage, claim, or judgement (includingreasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing anelectronic Standard on the purchasers compu
15、ter system.If a single-user version electronic Standard was purchased, one copy of this Standard may be stored onthe hard disk of a single personal computer, or on a single LAN file-server or the permanent storagedevice of a multiple-user computer in such a manner that this Standard may only be acce
16、ssed by one userat a time and for which there is no possibility of multiple concurrent access.If a multiple-user version electronic Standard was purchased, one copy of the Standard may be stored ona single LAN file-server, or on the permanent storage device of a multiple-user computer, or on an Intr
17、anetserver. The number of concurrent users shall not exceed the number of users authorized.Electronic Standards are intended for on-line use, such as for viewing the requirements of a Standard,conducting a word search, and the like. Only one copy of the Standard may be printed from eachsingle-user v
18、ersion 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. Because of differences in thecomputer/software/printer setup used by UL and those of electronic Standards purchasers, the printedcopy obtained
19、by a purchaser may not look exactly like the on-line screen view or the printed Standard.An employee of an organization purchasing a UL Standard can make a copy of the page or pages beingviewed for their own fair and/or practical internal use.The requirements in this Standard are now in effect, exce
20、pt for those paragraphs, sections, tables, figures,and/or other elements of the Standard having future effective dates as indicated in the preface. The priortext for requirements that have been revised and that have a future effective date are located after theStandard, and are preceded by a SUPERSE
21、DED REQUIREMENTS notice.New product submittals made prior to a specified future effective date will be judged under all of therequirements in this Standard including those requirements with a specified future effective date, unlessthe applicant specifically requests that the product be judged under
22、the current requirements. However, ifthe applicant elects this option, it should be noted that compliance with all the requirements in thisStandard will be required as a condition of continued Listing, Recognized and Follow-Up Services afterthe effective date, and understanding of this should be sig
23、nified in writing.Copyright 2007 Underwriters Laboratories Inc.This Standard consists of pages dated as shown in the following checklist:Page Date1-10 August 13, 2007AUGUST 13, 2007 UL 745-2-35tr2UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM U
24、LCanadian Standards AssociationCAN/CSA-C22.2 No. 745-2-35First EditionUnderwriters Laboratories Inc.UL 745-2-35Second EditionParticular Requirements for Drain CleanersAugust 13, 2007UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCommitment fo
25、r AmendmentsThis Standard is issued jointly by Canadian Standards Association and Underwriters LaboratoriesIncorporated. Amendments to this Standard will be made only after processing according to theStandards writing procedures by both Canadian Standards Association and Underwriters LaboratoriesInc
26、orporated.ISSN 03175669 2004Canadian Standards AssociationAll rights reserved. No part of this publication may be reproduced in any form whatsoever without theprior permission of the publisher.Copyright 1995, 2007 Underwriters Laboratories Inc.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRO
27、DUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSPreface .41 Scope .52 Definitions 53 General requirement 54 General notes on tests 55 Rating .56 Classification .57 Marking 58 Protection against electric shock 59 Starting 610 Input and current 611 Heating .612 Leakage current .613 Radio and
28、television interference suppression .614 Moisture resistance 615 Insulation resistance and electric strength .616 Endurance 617 Abnormal operation 618 Mechanical hazards 619 Mechanical strength 620 Construction .721 Internal wiring .722 Components 723 Supply connection and external flexible cables a
29、nd cords .724 Terminals for external conductors 725 Provision for earthing .726 Screws and connections 727 Creepage distances, clearances and distances through insulation .728 Resistance to heat, fire and tracking .729 Resistance to rusting .730 Tests by manufacturers .831 Instructions 8Appendix A T
30、hermal cut-outs and overload releasesAppendix B Electronic circuitsAppendix C Construction of safety isolating transformersAppendix D Measurement of creepage distances and clearancesAppendix E Reference standardsAppendix F Attachments and accessoriesAppendix G Sequence of testsAppendix H Translation
31、sAUGUST 13, 2007 CAN/CSA-C22.2 NO. 745-2-35 UL 745-2-35 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULPrefaceThis is the common CSA and UL Standard for portable electric drain cleaners. It is the first edition of CSAStandard C22.2 No. 745-2
32、-35 Safety of portable electric tools Part 2: Particular requirements for draincleaners and the second edition of UL 745-2-35, Safety of portable electric tools Part 2: Particularrequirements for drain cleaners. It is written in SI (metric) units.This Standard was prepared by Canadian Standards Asso
33、ciation and Underwriters Laboratories Inc. andis based on IEC Publication 745-1 (1982) Safety of hand-held motor-operated electric tools Part 1:General requirements.Where a particular clause of the general requirements Standard is not mentioned in this Standard, theclause applies as far as is reason
34、able. Where this edition states addition, modification,orreplacement,the relevant requirement, test specification, or explanatory matter in the general requirements Standardshould be adapted accordingly.If the functions of a tool are covered by different particular Standards, the relevant particular
35、 requirementsStandard is applied to each function separately, so far as is reasonable. If applicable, the influence of onefunction on the other is taken into account.This Standard was reviewed by the CSA Subcommittee on Portable Electric Tools of the TechnicalCommittee on Consumer and Commercial Pro
36、ducts under the jurisdiction of the Standards SteeringCommittee on the Canadian Electrical Code, Part II, and was formally approved by these Committees.This Standard was processed and reviewed in accordance with the method of development, revision andimplementation of UL Standards for safety.This St
37、andard has been approved by the Standards Council of Canada as a National Standard of Canada.March 23, 1995UL Effective DateThe effective date for UL 745-2-35 is the date of publication.Revisions of this Standard will be made by issuing revised or additional pages bearing their date of issue.A UL St
38、andard is current only if it incorporates the most recently adopted revisions, all of which areitemized on the transmittal notice that accompanies the latest set of revised requirements. Comments orproposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals shou
39、ldbe submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System(CSDS) at http:/.CSA Effective DateThe effective date for CSA will be announced through a CSA Certification Notice.Note: Although the intended primary application of this Standard is stated in its Scope, i
40、t is important to note that itremains the responsibility of the users of the Standard to judge its suitability for their particular purpose.AUGUST 13, 2007CAN/CSA-C22.2 NO. 745-2-35 UL 745-2-354UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL1
41、 ScopeThis clause of Part 1 is applicable except as follows:1.1 Replacement:This standard applies to drain cleaners.2 DefinitionsThis clause of Part 1 is applicable, except as follows:2.2.23 First paragraphReplacement:Normal load denotes the load obtained when the tool is operated intermittently, ea
42、ch cycle comprising aperiod of continuous operation of 10 min under load and a rest period of 10 min idling at no load. Thelargest cutting head and the largest diameter cable recommended by the manufacturer shall be fed intoa minimum recommended diameter plastic or metal pipe for that cable consisti
43、ng of: 3 meters length, 90elbow, 10 meters length, 90 elbow, and 3 meters length. The cutting head shall remain just inside thepipe.3 General requirementThis clause of Part 1 is applicable.4 General notes on testsThis clause of Part 1 is applicable.5 RatingThis clause of Part 1 is applicable.6 Class
44、ificationThis clause of Part 1 is applicable.7 MarkingThis clause of Part 1 is applicable.8 Protection against electric shockThis clause of Part 1 is applicable, except as follows:8.3 Addition:The drain cleaner cable is not considered a grasping surface.AUGUST 13, 2007 CAN/CSA-C22.2 NO. 745-2-35 UL
45、745-2-35 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL9 StartingThis clause of Part 1 is applicable.10 Input and currentThis clause of Part 1 is applicable.11 HeatingThis clause of Part 1 is applicable.12 Leakage currentThis clause of Part
46、 1 is applicable.13 Radio and television interference suppressionThis clause of Part 1 is applicable.14 Moisture resistanceThis clause of Part 1 is applicable.15 Insulation resistance and electric strengthThis clause of Part 1 is applicable.16 EnduranceThis clause of Part 1 is applicable, except as
47、follows:16.2 Modification:During this test, a transportable drain cleaner shall not be repositioned unless special features of the draincleaner make this practical.17 Abnormal operationThis clause of Part 1 is applicable.18 Mechanical hazardsThis clause of Part 1 is applicable.19 Mechanical strength
48、This clause of Part 1 is applicable.AUGUST 13, 2007CAN/CSA-C22.2 NO. 745-2-35 UL 745-2-356UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL20 ConstructionThis clause of Part 1 is applicable, except as follows:20.17 Addition:A drain cleaner is n
49、ot required to be rated Splashproof or Watertight.21 Internal wiringThis clause of Part 1 is applicable.22 ComponentsThis clause of Part 1 is applicable.23 Supply connection and external flexible cables and cordsThis clause of Part 1 is applicable, except at follows:Addition:A drain cleaner is considered likely to be used with liquid.Modification:Sub-clauses 23.6 and 23.7 are not applicable to transportable drain cleaners.24 Terminals for external conductorsThis clause of Part 1
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