1、UL 444ISBN 0-7629-0771-1Communications CablesUnderwriters Laboratories Inc. (UL)333 Pfingsten RoadNorthbrook, IL 60062-2096UL Standard for Safety for Communications Cables, UL 444Third Edition, Dated March 29, 2002The new and/or revised requirements are substantially in accordance with ULs Bulletin(
2、s) on this subjectdated April 22, 1998. The bulletin(s) is now obsolete and may be discarded.The master for this Standard at ULs Northbrook Office is the official document insofar as it relates to aUL service and the compliance of a product with respect to the requirements for that product and servi
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11、ser is storing anelectronic Standard on the purchasers computer system.MARCH 29, 2002 UL 444 tr1If 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 storagede
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14、ch, and the like. Only one copy of the Standard may be printed from eachsingle-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. Because of differences in thecomputer/software/printer set
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16、d/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 note following theaffected item. The prior text for requirements that have b
17、een revised and that have a future effective dateare located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice.New product submittals made prior to a specified future effective date will be judged under all of therequirements in this Standard including those requirements with
18、a specified future effective date, unlessthe applicant specifically requests that the product be judged under 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 continu
19、ed Listing and Follow-Up Services after the effectivedate, and understanding of this should be signified in writing.Copyright 1994, 2002 Underwriters Laboratories Inc.This Standard consists of pages dated as shown in the following checklist:Page Date1-48 .March 29, 2002A1-A2 .March 29, 2002B1-B2 .Ma
20、rch 29, 2002MARCH 29, 2002 UL 444tr2Communications CablesMarch 29, 2002Canadian Standards AssociationCSA C22.2 No. 214-02Sixth EditionUnderwriters Laboratories Inc.UL 444Third EditionCommitment for AmendmentsThis Standard is issued jointly by Canadian Standards Association (CSA) andUnderwriters Labo
21、ratories Incorporated (UL). Amendments to this Standard willbe made only after processing according to the Standards writing procedures byCSA and UL.Revisions of this Standard will be made by issuing revised or additional pagesbearing their date of issue. A UL Standard is current only if it incorpor
22、ates themost recently adopted revisions, all of which are itemized on the transmittal noticethat accompanies the latest set of revised requirements.ISBN 1-55324-438-9Copyright 2002Canadian Standards AssociationAll rights reserved. No part of thispublication may be reproduced in anyform whatsoever wi
23、thout the priorpermission of the publisher.ISBN 0-7629-0771-1Copyright 2002Underwriters Laboratories Inc.CONTENTSPreface .5Foreword (CSA) .6Foreword (UL) .8Communication Cables1 Scope .92 Definitions .93 General .103.1 Reference publications .103.2 Units of measurement .123.3 General requirements .1
24、24 Construction .124.1 Conductors .124.2 Insulation .134.3 Optical fibre members .144.4 Core assembly .144.5 Spare pairs .154.6 Core binders .154.7 Core wrap .154.8 Shields .154.9 Jackets .164.10 Metallic sheaths .164.11 Conductors for cable types MPP, MPR, MPG, and MP .175 Manufacturing and product
25、ion tests .175.1 Spark test after insulating .175.2 Continuity .195.3 Dielectric strength .196 Capability tests .206.1 Corrosion resistance of uncoated copper conductors .206.2 Crush resistance of insulation .216.3 Insulation unaged and heat-aged requirements .226.4 Insulation shrinkback .236.5 Insu
26、lation cold bend .236.6 AC leakage current through overall jacket .236.7 Durability of printing .246.8 Unaged and heat-aged requirements of jacket .246.9 Flexibility (PVDF jackets rated 125C only) .256.10 Cable cold bend .266.11 Jacket peel test .266.12 Sunlight resistance of jacket of outdoor Type
27、CMX cable .276.13 Cold impact of outdoor Type CMX cable .286.14 Flame and smoke requirements .296.15 Measuring thickness of insulation and rounding off the results .306.16 Conductor resistance .316.17 Conductor diameter .316.18 Compressive loading test for Type CMUC .326.19 Heat shock test for cross
28、-connect wire .32MARCH 29, 2002 CSA C22.2 NO. 214-02 UL 444 36.20 Deformation test for cross-connect wire .336.21 Dielectric tests for cross-connect wire .337 Marking of Cables .347.1 General .347.2 Type of marking .347.3 Required marking .347.4 Optional marking .367.5 Intervals .378 Marking on tag,
29、 reel, or carton .378.1 General requirements .378.2 Other marking .38TABLESAppendix AGuidelines for sample selection for flame and smoke test requirementsAppendix BCable substitutionsMARCH 29, 2002CSA C22.2 NO. 214-02 UL 4444PrefaceThis is the common UL and CSA Standard for Communications Cables. It
30、 is the sixth edition of CSAC22.2 No. 214 and the third edition of UL 444. This edition of CSA C22.2 No. 214 supersedes theprevious editions, published in 1994, 1990, 1988, 1986, and 1984. This UL edition supersedes theprevious editions published in 1994 and 1990.This common standard was prepared by
31、 Canadian Standards Association and Underwriters LaboratoriesInc. The effort of UL 444/CSA 214 Harmonization Committee is greatly appreciated.The previous Tables 2A, 2B, 3A, 3B, 10 and 11 have been deleted, and Table 10 and a new Table 13have been added. Tables have been renumbered.This standard was
32、 reviewed by the CSA Subcommittee on C22.2 No. 214, under the jurisdiction of theTechnical Committee on Wiring Products and the Strategic Resource Group, and has been formallyapproved by the Technical Committee.This standard will be submitted to the American National Standards Institute (ANSI) for p
33、ublication as anAmerican National Standard.Note: Although the intended primary application of this standard is stated in its Scope, it is important to note that it remains theresponsibility of the users of the standard to judge its suitability for their particular purpose.Level of harmonizationThis
34、standard uses an IEC format, but is not based on, nor shall it be considered equivalent to, an IECstandard. This standard is published as an identical standard. An identical standard is a standard that isthe same in technical content except for conflicts in Codes and Governmental Regulations. Presen
35、tationshall be word for word except for editorial changes.InterpretationsThe interpretation by the SDO of an identical standard shall be based on the literal text to determinecompliance with the standard in accordance with the procedural rules of the SDO. If more than oneinterpretation of the litera
36、l text has been identified, a revision shall be proposed as soon as possible toeach of the SDOs to more accurately reflect the intent.UL Effective DateAs of March 29, 2002 all products Listed or Recognized by UL must comply with the requirements in thisstandard.CSA Effective DateThe effective date f
37、or CSA will be announced through CSA Informs or a CSA Certification Notice.MARCH 29, 2002 CSA C22.2 NO. 214-02 UL 444 5Foreword (CSA)The Canadian Standards Association (CSA) develops standards under the name Canadian StandardsAssociation, and provides certification and testing under the name CSA Int
38、ernational. CSA Internationalprovides certification services for manufacturers who, under license from CSA, wish to use the appropriateregistered CSA Marks on certain products of their manufacture to indicate conformity with CSA Standards.CSA Certification for a number of products is provided in the interest of maintaining agreed-uponstandards of quality, performance, interchangeability and/or safety, as appropriate. Where appli
