UL 224-2006 UL Standard for Safety Extruded Insulating Tubing (Sixth Edition Reprint with Revisions Through and Including September 9 2016)《挤制绝缘管》.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 224Extruded Insulating TubingUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODU

2、CTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL Standard for Safety for Extruded Insulating Tubing, UL 224Sixth Edition, Dated March 6, 2006Summary of TopicsThis revision of ANSI/UL 224 includes the following change in requirements:Clarification of Requirements for Long-Term Heat-Aging TestingCorr

3、ection of a Typographical Error for the Secant Modulus Requirement in Table 21Text that has been changed in any manner or impacted by ULs electronic publishing system is markedwith a vertical line in the margin.The revised requirements are substantially in accordance with Proposal(s) on this subject

4、 datedNovember 6, 2009.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout prior permission of UL.UL provides this Standard as is without warranty

5、 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, indirect or similar damages,including loss of profits, lost savings, loss of data, or

6、 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 any damage ever exceed the price paid forthis Standard, regardless of the form of th

7、e claim.Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold ULharmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonableattorneys fees) resulting from any error or deviation introduced while purchaser is stor

8、ing an electronicStandard on the purchasers computer system.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 priortext for requirements that

9、 have been revised and that have a future effective date are located after theStandard, and are preceded by a SUPERSEDED REQUIREMENTS notice.AUGUST 12, 2010 UL 224 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 12, 2010 UL 224tr2No

10、Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCanadian Standards AssociationCAN/CSA-C22.2 No. 198.1-06Third EditionUnderwriters Laboratories Inc.UL 224Sixth EditionExtruded Insulating TubingMarch 6, 2006(Title Page Reprinted

11、: August 12, 2010)ANSI/UL 224-2010UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCommitment for AmendmentsThis standard is issued jointly by the Canadian Standards Association (CSA) and UnderwritersLaboratories Inc. (UL). Comments or proposal

12、s for revisions on any part of the standard may besubmitted to CSA or UL at any time. Revisions to this standard will be made only after processingaccording to the standards development procedures of CSA and UL. CSA and UL will issue revisionsto this standard by means of a new edition or revised or

13、additional pages bearing their date of issue.ISBN 1-55436-844-8 2006 Canadian Standards AssociationAll rights reserved. No part of this publication may be reproduced in any form whatsoever without theprior permission of the publisher.CSA Standards are subject to periodic review, and suggestions for

14、their improvement will be referredto the appropriate committee. To submit a proposal for change to CSA Standards, please send thefollowing information to inquirescsa.ca and include Proposal for change in the subject line:Standard designation (number); relevant clause, table, and/or figure number; wo

15、rding of the proposedchange; and rationale for the change.To purchase CSA Standards and related publications, visit CSAs Online Store at www.ShopCSA.ca orcall toll-free 1-800-463-6727 or 416-747-4044.Copyright 2010 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither

16、 a printed nor electronic copy of a Standardshould be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regardingthose Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Sixth edition including revisions thr

17、ough August 12,2010.The most recent designation of ANSI/UL 224 as an American National Standard (ANSI) occurred onAugust 12, 2010. ANSI approval for a standard does not include the Cover Page, Transmittal Pages,Title Page (front and back), or the Preface.Comments or proposals for revisions on any pa

18、rt of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.To purchase UL Standards, visit Comm 2000 at http:/m- call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORI

19、ZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSPreface .41 Scope .62 Reference Publications and Definitions 62.1 Reference publications 62.2 Definitions .83 General 83.1 Item references 83.2 Units of measurement 104 Construction .104.1 Materials and quality of work 104

20、.2 Colour .104.3 Minimum wall thickness 104.4 Heat-shrinkable tubing .115 Capability tests 115.1 Circulating air-oven 115.2 Samples .115.3 Physical properties 125.4 Oil resistance (optional) 175.5 Flexibility (not-heat-shrinkable tubing) 175.6 Dielectric voltage withstand and breakdown 185.7 Deforma

21、tion 185.8 Heat shock .205.9 Cold bend 205.10 Flame test all tubing 215.11 Optional VW-1 (vertical wire) flame test/ASTM D 2671 Method C (modified) .235.12 Volume resistivity .255.13 Secant modulus 265.14 Eccentricity (heat-shrinkable tubing) 275.15 Longitudinal change 275.16 Copper corrosion .285.1

22、7 Copper stability 285.18 Restricted recovery (heat-shrinkable tubing) .295.19 Heat-resistant properties (not-heat-shrinkable tubing) .295.20 Crushing test 305.21 Impact test .30A5.22 Penetration test .30A5.23 Evaluation of tubing not covered by Table 1 30B5.24 Long-term heat-aging 30B6 Markings 30B

23、6.1 Product marking .30B6.2 Package marking 32Annex A (informative)Manufacturing and production testsAUGUST 12, 2010 CAN/CSA-C22.2 NO. 198.1-06 UL 224 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULPrefaceThis is the harmonized CSA and UL st

24、andard for Extruded Insulating Tubing. It is the third edition of CSAC22.2 No. 198.1 and the sixth edition of UL 224. This harmonized standard has been jointly revised onAugust 12, 2010. For this purpose, CSA and UL are issuing revision pages dated August 12, 2010.This harmonized standard was prepar

25、ed by the Canadian Standards Association (CSA) and UnderwritersLaboratories Inc. (UL). The efforts and support of the Technical Harmonization Committee 15C, ElectricalTubing and Sleeving Products, of the Council on the Harmonization of Electrotechnical Standards of theNations of the Americas (CANENA

26、), are gratefully acknowledged.This Standard is considered suitable for use for conformity assessment within the stated scope of theStandard.This standard was reviewed by the CSA Subcommittee on Insulation Systems, under the jurisdiction ofthe CSA Technical Committee on Wiring Products and the CSA S

27、trategic Steering Committee onRequirements for Electrical Safety, and has been formally approved by the CSA Technical Committee.This standard has been approved by the Standards Council of Canada (SCC) as a National Standard ofCanada.This standard has been approved by the American National Standards

28、Institute (ANSI) as an AmericanNational Standard.Where reference is made to a specific number of samples to be tested, the specified number is to beconsidered a minimum quantity.Note: Although the intended primary application of this standard is stated in its scope, it is important to note that it r

29、emainsthe responsibility of the users of the standard to judge its suitability for their particular purpose.Level of harmonizationThis standard uses the IEC format but is not based on, nor is it to be considered equivalent to, an IECstandard.This standard is published as an equivalent standard for C

30、SA 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 thoserecognized as being in accordance with NAFTA Article 905, for example, because of fu

31、ndamental climatic,geographical, technological, or infrastructural factors, scientific justification, or the level of protection thatthe country considers appropriate. Presentation is word for word except for editorial changes.Reasons for differences from IECThe Technical Harmonization Subcommittee

32、identified the following standard as being within the scope ofthis standard: IEC 60684, Flexible Insulating Sleeving. IEC 60684 and CSA C22.2 No. 198.1/UL 224 aresimilar but not identical. Both standards cover multiple, but not identical, products and similar methods.The THC agreed to address the is

33、sues involved in the harmonization of these standards during the nextrevision of CSA C22.2 No. 198.1/UL 224.AUGUST 12, 2010CAN/CSA-C22.2 NO. 198.1-06 UL 2244UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULInterpretationsThe interpretation by t

34、he standards development organization of an identical or equivalent standard isbased on the literal text to determine compliance with the standard in accordance with the proceduralrules of the standards development organization. If more than one interpretation of the literal text has beenidentified,

35、 a revision is to be proposed as soon as possible to each of the standards developmentorganizations to more accurately reflect the intent.CSA effective dateThe effective date for CSA International will be announced through CSA Informs or a CSA certificationnotice.UL effective dateAs of August 12, 20

36、10 all products Listed or Recognized by UL must comply with the requirements in thisstandard.A UL effective date is one established by Underwriters Laboratories Inc. and is not part of the ANSIapproved standard.AUGUST 12, 2010 CAN/CSA-C22.2 NO. 198.1-06 UL 224 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED

37、 FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULExtruded Insulating Tubing1 Scope1.1 This Standard specifies the requirements for insulating tubing that is usually round in cross-sectionand that consists entirely of extruded compounds whose characteristic constituents are thermose

38、tting,elastomeric, or thermoplastic polymers (see Table 1 for materials and ratings). These requirements alsocover heat-shrinkable and crosslinked tubing.1.2 Tubing is intended for use only in air in dry and damp locations as part of the internal wiring ofelectrical devices and appliances in accorda

39、nce with the Canadian Electrical Code, Part 1 (CE Code, Part1) and ANSI/NFPA 70, National Electrical Code (NEC). It may be used for insulating one or moreinadequately insulated conductors, bus bars, motor leads, transformer leads, terminal lugs, or smallassemblies of electronic components. Tubing is

40、 not intended for use in contact with sharp edges, corners,or projections, or where subject to tension, compression, or repeated flexing. Tubing is not intended foruse where it is feasible to employ a standard insulated conductor (appliance-wiring material) intendedspecifically for the purpose.1.3 T

41、hese requirements do not apply to fabric tubing, chemically dilated tubing, polymeric tubing extrudedwith reinforcement, or tubing intended only for mechanical protection.1.4 The acceptability of tubing in any particular device or appliance depends upon its acceptability forcontinued use under the c

42、onditions that prevail in actual service. Accordingly, for a particular application,it will in some cases be necessary to employ tubing having features other than or in addition to thosespecified in these requirements. For example, tubing may be required to have a heavier wall thickness ora flat rat

43、her than a round cross-section; it may be required to have inherent resistance to the effects ofimmersion in water, oil, solvents, or other liquids (or their vapors); it may be required to be used in anenvironment conducive to the development of fungi and similar organisms.2 Reference Publications a

44、nd Definitions2.1 Reference publicationsFor undated references to standards, such reference shall be considered to refer to the latest edition andall revisions to that edition up to the time when this standard was approved.For dated references to standards, such reference shall be considered to refe

45、r to the dated edition and allrevisions published to that edition up to the time the standard was approved.CSA (Canadian Standards Association)C22.1-02Canadian Electrical Code, Part ICAN/CSA C22.2 No. 0.1700Evaluation of Properties of Polymeric MaterialsC22.2 No. 0.3-01Test Methods for Electrical Wi

46、res and CablesAUGUST 12, 2010CAN/CSA-C22.2 NO. 198.1-06 UL 2246UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL (Underwriters Laboratories Inc.)UL 746BStandard for Polymeric Materials Long Term Property EvaluationsUL 1581Reference Standard f

47、or Electrical Wires, Cables, and Flexible CordsANSI/NFPA (American National Standards Institute/National Fire Protection Association)NFPA-70-2002National Electrical CodeASTM (American Society for Testing and Materials)D 257-99Test Methods for DC Resistance or Conductance of Insulating MaterialsD 412

48、-98a (2002)e1Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers TensionD 471-98e1Test Method for Rubber Property Effect of LiquidsD 876-00Test Methods for Nonrigid Vinyl Chloride Polymer Tubing Used for Electrical InsulationD 2671-00Standard Test Methods for He

49、at-Shrinkable Tubing for Electrical UseD 5025-99Standard Specification for Laboratory Burner Used for Small-Scale Burning Tests on Plastic MaterialsD 5207-03Standard Practice for Confirmation of 20 mm (50 W) and 125 mm (500 W) Test Flames for Small-ScaleBurning Tests on Plastic MaterialsD 5374-93 (99)Test Methods for Forced-Convection Laboratory Ovens for Evaluation of Electrical InsulationD 5423-93 (99)Standard Specification for Forced-Convection Laboratory Ovens for Evaluation of Elect