ANSI CSA C22.2 NO.38-14-2014 Thermoset-insulated wires and cables (Tenth Edition Update No 1 December 2014).pdf

1、C22.2 No. 38-14Thermoset-insulated wires and cablesLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representin

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17、ll remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Eighteenth Edition including revisions through March28, 2014. The most recent designation of ANSI/UL 44 as an American National Standard (ANSI)occurred on March 26, 2014. ANSI approval for a standard doe

18、s not include the Cover Page,Transmittal Pages, Title Page (front and back), or the Preface. The National Difference Page and IECForeword are also excluded from the ANSI approval of IEC-based standards.The Department of Defense (DoD) has adopted UL 44 on April 5, 1985. The publication of revisedpage

19、s or a new edition of this Standard will not invalidate the DoD adoption.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 ULs On-Line Collaborative StandardsDevelopment System (CSDS) at http:/.T

20、o purchase UL Standards, visit Comm 2000 at http:/m- call toll-free 1-888-853-3503.CONTENTSPREFACE 61 Scope .82 General 82.1 Units of measure .82.2 Reference publications 83 Definitions 124 Construction .134.1 Conductors .134.2 Insulation .174.3 Jackets or fibrous coverings over single conductors .1

21、84.4 Shielding (optional) 194.5 Multiple-conductor cables .194.6 Color coding 204.7 Fillers and protective materials 214.8 Jacket separators .214.9 Jackets 224.10 Evaluation of new materials Establishment of dry temperature rating of alternativeinsulation and jacketing materials for use in this stan

22、dard .224.11 Assemblies that include single-conductor thermoset-insulated wires 235 Test requirements 235.1 General 235.2 Conductor resistance 235.3 Tests of aluminum conductors 245.4 Long-term insulation resistance in water 245.5 Long-term insulation resistance in air for 90C rated conductors 255.6

23、 Capacitance and relative permittivity .265.7 Conductor corrosion .265.8 Insulation fall-in .265.9 Heat shock of thermoplastic jacket 265.10 Flexibility of separator under a thermoplastic jacket .275.11 Cold bend and cold impact 275.12 Deformation .275.13 Hot-creep elongation and hot-creep set .285.

24、14 Flame and smoke 285.15 Weather (sunlight) resistance (optional) .315.16 Oil resistance (optional) .325.17 Gasoline and oil resistance (optional) .325.18 Crushing resistance 325.19 Dielectric breakdown after glancing impact 335.20 Durability of ink printing .335.21 Shrinkback 335.22 Evaluation of

25、new materials establishment of temperature rating .335.23 A-C spark test .345.24 Dielectric voltage-withstand in water 345.25 Insulation resistance in water at 15C .345.26 Electrical continuity .356 Marking .356.1 Marking on product 356.2 Marking on package .38MARCH 28, 2014 NMX-J-451-ANCE-2014 CSA

26、C22.2 NO. 38-14 UL 44 37 Deep-well submersible water-pump cable .397.1 General 397.2 Construction 397.3 Markings .417.4 Tests 4344Annex A (informative) Conductor types covered by this Standard (See Clause 1.1)Annex B (informative) Summary of requirements (See Clause 1.1)Annex C (normative) Chemical

27、composition of aluminum conductors (See Clause 4.1.2.1)Annex D (normative) Copper-clad aluminum conductors (See Clause 4.1.3)D.1 General .85D.2 Sizes and stranding 85D.3 Conductor resistance .85D.4 Physical properties .85D.5 Marking requirements 85Annex E (informative) Metric sizes (See Clause 4.1.5

28、.1)Annex F (normative) Protective coverings other than jackets (See Clauses 4.3.1 and 4.9.1.1)F.1 General .89F.2 Tapes 89F.3 Cotton braids 89F.3.1 General 89F.3.2 Coverage .90F.4 All-glass and glass/cotton braids .93F.4.5 Glass content .93F.5 Cotton wraps and servings 94F.5.1 General 94F.5.2 Coverag

29、e .95F.6 Glass wraps .96F.7 Braids and wraps 96F.8 Saturation of fibrous coverings other than tapes .96F.9 Finish .98DECEMBER 22, 2014NMX-J-451-ANCE-2014 CSA C22.2 NO. 38-14 UL 444InterpretationsThe interpretation by the standards development organization of an identical or equivalent standard isbas

30、ed 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, a revision is to be proposed as soon as possible to each of the standards develop

31、mentorganizations to more accurately reflect the intent.ANCE Effective DateThe effective date for ANCE will be announced through the Diario Oficial de la Federacin (OfficialGazette) and is indicated on the cover page.CSA Group Effective DateThe effective date for CSA Group will be announced through

32、a CSA Informs or CSA Group CertificationNotice.UL Effective DateAs of March 28, 2014 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.MARCH 2

33、8, 2014 NMX-J-451-ANCE-2014 CSA C22.2 NO. 38-14 UL 44 7Thermoset-Insulated Wires and Cables1 Scope1.1 This Standard specifies the requirements for single-conductor and multiple-conductorthermoset-insulated wires and cables rated 600 V, 1000 V, 2000 V, and 5000 V, for use in accordancewith the rules

34、of the Canadian Electrical Code CE Code Part I, CSA C22.1, in Canada, Standard forElectrical Installations, NOM-001-SEDE, in Mexico, and the National Electrical Code (NEC), NFPA-70, inthe United States of America.See Annex A for the complete list of types covered by this Standard and the specific el

35、ectrical codes forwhich they are intended, and Annex B for a summary of construction and test requirements for thesetypes.1.1 revised December 22, 20141.2 Table 1 provides a summary of the maximum conductor temperature, voltage ratings, and the numberof insulated conductors for the types to which th

36、is Standard applies.1.3 This Standard also specifies the requirements for submersible pump cables, with or without jackets,in Clause 7. No type-letter designations are assigned to these cables.1.4 Products within this Standard might have applications not covered by the electrical codes listed inClau

37、se 1.1.2 General2.1 Units of measureThe unit of measure shall be SI. If a value for measurement is followed by a value in other units inparentheses, the second value represents a direct conversion or an alternative value. Except forconductor size, the first stated value is the requirement.2.2 Refere

38、nce publications2.2.1 This Standard refers to the following publications and where reference is made to ANCE, CSA, orUL Standards, such reference shall be considered to refer to the latest edition and all amendmentspublished to that edition. Where such reference is made to other publications, it sha

39、ll be to the editionlisted below.ANCE StandardsNOM-001-SEDEStandard for Electrical InstallationsNMX-E-034-SCFIPlastics Industry Carbon Black Contents on Polyethylene Materials Test MethodNMX-J-008-ANCETinned Soft or Annealed Copper Wire for Electrical Purposes SpecificationsNMX-J-012-ANCEWires and C

40、ables Concentric Lay Stranded Copper Conductors for Electrical Purposes SpecificationsDECEMBER 22, 2014NMX-J-451-ANCE-2014 CSA C22.2 NO. 38-14 UL 4484 Construction4.1 Conductors4.1.1 GeneralCircuit and equipment-grounding conductors shall be of copper, aluminum, or copper-clad aluminum.4.1.2 Aluminu

41、m conductors4.1.2.1 In Mexico, aluminum conductors shall be AA 8000 series alloy or 1350 aluminum alloy.In Canada and the United States, aluminum conductors shall only be of aluminum conductor material(ACM), AA 8000 series alloy.Annex C provides the chemical composition of recognized aluminum alloy

42、conductor materials.4.1.2.2 In Mexico, thermoset-insulated aluminum conductors are limited to sizes 13.3 mm2(6 AWG) andlarger in accordance with NOM-001-SEDE, Standard for Electrical Installations.4.1.3 Copper-clad aluminum conductorsIn the United States, the requirements of Annex D shall apply to s

43、olid conductors or the individual wiresof stranded conductors prior to stranding.In Canada and Mexico, copper-clad aluminum conductors shall not be used in thermoset-insulated wiresand cables.4.1.4 Copper conductors4.1.4.1 GeneralThe requirements of Clauses 4.1.4.2 or 4.1.4.3 shall apply to solid co

44、nductors or the individual wires ofstranded conductors prior to stranding. If the insulation adjacent to a copper conductor is of a material thatcorrodes unprotected copper, as determined by the requirement in Clause 5.7, or if a protective separatorin compliance with Clause 4.1.8 is not provided, t

45、he solid conductor and each of the individual strands ofa stranded conductor shall be separately covered with a coating as described in Clause 4.1.4.2.MARCH 28, 2014 NMX-J-451-ANCE-2014 CSA C22.2 NO. 38-14 UL 44 134.1.4.2 Coated copper conductors4.1.4.2.1 Each tin-coated conductor shall comply with

46、the requirements of ASTM B33 orNMX-J-008-ANCE; a nickel-coated wire shall comply with ASTM B355, and a silver-coated wire shallcomply with ASTM B298. Conductors coated with other metals or alloys shall be subjected to specialinvestigation.Note: In Mexico, the use of ASTM B355 is recommended for nick

47、el-coated wire, and the use of ASTM B298 isrecommended for silver-coated wire.4.1.4.2.2 A metal coating, when not required, is appropriate for use on solid or individual wires (strands)or selected wires, such as the outer layer of wires of a stranded conductor. The metal coating when usedshall compl

48、y with Clause 4.1.4.1.4.1.4.3 Uncoated copper conductorsEach wire in an uncoated copper conductor shall comply with the requirements of ASTM B3 orNMX-J-036-ANCE.4.1.5 Sizes and stranding4.1.5.1 Sizes4.1.5.1 revised December 22, 2014Conductors shall be of a size and assembly indicated for the finishe

49、d wire type in Table 2.Copper strands smaller than 0.0127 mm2(36 AWG) and aluminum strands smaller than 0.324 mm2(22AWG) shall not be used. A compact stranded conductor shall not be segmented.Note: Conductor sizes specified in IEC publications are not recognized in the CE Code Part I, NEC, or NOM-001-SEDE;ho