CSA C22 2 NO 48-2015 Nonmetallic sheathed cable (Ninth Edition).pdf

1、C22.2 No. 48-15Nonmetallic sheathed cableLegal 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 representing varied v

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18、ate ServiceC22.2 No. 48-15November 2015Title: Nonmetallic sheathed cableTo register for e-mail notification about any updates to this publication go to shop.csa.ca click on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2423922.If you require assistan

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20、ever without the prior permission of the publisher.Published in November 2015 by CSA Group A not-for-profit private sector organization 178 Rexdale Boulevard, Toronto, Ontario, Canada M9W 1R3 To purchase standards and related publications, visit our Online Store at shop.csa.caor call toll-free 1-800

21、463-6727 or 416-747-4044.TMA trade-mar k of the Canadian S tandards Association, operating as “CSA Group”Nonmetallic sheathed cableC22.2 No. 48-15C22.2 No. 48-15 Nonmetallic sheathed cableNovember 2015 2015 CSA Group 1ContentsTechnical Committee on Wiring Products 3Subcommittee on Fixed Installatio

22、n Wires and Cables 5Preface 91 Scope 102 Reference publications 103 Definitions 114 General requirements 115 Construction 115.1 General 115.2 Conductors 125.3 Insulation 125.3.1 General 125.3.2 Type NMWU cable 125.3.3 Type NMD90 cable 135.4 Covering on individual thermoplastic insulated conductors o

23、n Type NMD90 135.5 Conductor coding 135.6 Assembly of conductors 135.7 Fillers 145.8 Jacket 146 Marking 146.1 Cable marking 146.2 Marking on tags and cartons 156.3 Alternative marking 157 Tests 157.1 Properties of conductors 157.1.1 Conductor resistance 157.1.2 Physical properties 157.2 Properties o

24、f insulation 167.2.1 Physical testing of insulation Type NMD90 cable 167.2.2 Heat-resistant properties Type NMD90 cable with thermoplastic insulation 167.2.3 Flexibility after air oven aging Type NMD90 cable with thermoplastic insulation 177.2.4 Deformation 177.2.5 Cold bend Type NMD90 cable 187.2.6

25、 Flame 187.3 Properties of insulated conductors Type NMD90 cable 187.3.1 Dielectric strength 187.3.2 Insulation resistance at 15 C 197.3.3 Spark test voltage on insulated conductors 19C22.2 No. 48-15 Nonmetallic sheathed cableNovember 2015 2015 CSA Group 27.4 Properties of jacket 197.4.1 Physical te

26、sting of jacket 197.4.2 Deformation 207.5 Physical and electrical (finished cable) 207.5.1 Cold bend 207.5.2 Flame (FT1 test) 207.5.3 Heat shock 207.5.4 Abnormal low-temperature impact 217.5.5 Tensile strength and elongation 217.5.6 Overload current 217.5.7 Dry dielectric strength 227.5.8 Continuity

27、 of conductors 227.5.9 Voltage test 227.5.10 Spark test 237.5.11 High-current heat cycling test 237.5.12 Cutting 237.5.13 Crushing (2/C flat cable) 247.5.14 Impact at room temperature 247.5.15 Weather (sunlight) resistance (optional) 258 Type NMDH90 Nonmetallic sheathed (hybrid) cable 258.1 General

28、258.2 Construction 258.2.1 General 258.2.2 Circuit conductors 258.2.3 Bonding conductors 258.2.4 Control conductors 258.2.5 Metallic shield 258.2.6 Drain wire 268.3 Assembly 268.4 Overall jacket 268.5 Marking 268.5.1 Cable marking 268.5.2 Marking on tags and cartons 268.5.3 Alternative marking 268.6

29、 Tests 268.6.1 General 268.6.2 Tests on finished cable 26C22.2 No. 48-15 Nonmetallic sheathed cableNovember 2015 2015 CSA Group 3Technical Committee on Wiring ProductsK.L. Rodel Hubbell Canada LP, Pickering, Ontario Category: Producer InterestChairP. Desilets Leviton Manufacturing of Canada Limited,

30、 Pointe-Claire, Qubec Category: Producer InterestVice-ChairW.J. Bryans Electro-Federation Canada, Toronto, Ontario AssociateW.J. Burr Burr and Associates, Campbell River, British Columbia Category: General InterestC. Davis Electro Cables Incorporated, Trenton, Ontario Category: Producer InterestS.W.

31、 Douglas International Association of Electrical Inspectors, Toronto, Ontario Category: General InterestD. Drysdale Nexans Canada Inc., Milton, Ontario Category: Producer InterestS.P. Hawkins Shawflex A Division of ShawCor Ltd., Toronto, Ontario AssociateR.J. Kelly Government of Nunavut-Dept. of Com

32、munity b) provide an explanation of circumstances surrounding the actual field condition; andc) where possible, phrase the request in such a way that a specific “yes” or “no” answer will address the issue. Committee interpretations are processed in accordance with the CSA Directives and guidelines g

33、overning standardization and are available on the Current Standards Activities page at standardsactivities.csa.ca.5) This Standard is subject to review five years from the date of publication. Suggestions for its improvement will be referred to the appropriate committee. To submit a proposal for cha

34、nge, please send the following information to inquiriescsagroup.org and include “Proposal for change” in the subject line: a) Standard designation (number);b) relevant clause, table, and/or figure number;c) wording of the proposed change; andd) rationale for the change.C22.2 No. 48-15 Nonmetallic sh

35、eathed cableNovember 2015 2015 CSA Group 10C22.2 No. 48-15Nonmetallic sheathed cable1 Scope1.1 This Standard applies to nonmetallic sheathed cables intended for use on systems having a nominal voltage of 300 V and less, in accordance with the rules of the Canadian Electrical Code, Part I.1.2 In this

36、 Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an option or that which is permissible

37、 within the limits of the Standard.Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.Notes to tables and figures are considered part of the table or figure a

38、nd may be written as requirements.Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.2 Reference publicationsThis Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including a

39、ll amendments published thereto.CSA GroupC22.1-15 Canadian Electrical Code, Part ICAN/CSA-C22.2 No. 0-10 General Requirements Canadian Electrical Code, Part IIC22.2 No. 0.3-09 Test methods for electrical wires and cablesC22.2 No. 38-14 Thermoset-insulated wires and cablesC22.2 No. 42-10 General use

40、receptacles, attachment plugs and similar wiring devicesC22.2 No. 75-14 Thermoplastic-insulated wires and cablesC22.2 No. 48-15 Nonmetallic sheathed cableNovember 2015 2015 CSA Group 11C22.2 No. 239-09 (R2014) Control and instrumentation cablesC22.2 No. 2556-13 Wire and cable test methodsASTM Intern

41、ational (American Society for Testing and Materials)B800-05 (R2011) Standard Specification for 8000 Series Aluminum Alloy Wire for Electrical Purposes Annealed and Intermediate Tempers3 DefinitionsThe following definitions shall apply in this Standard:Aluminum conductor material (ACM) AA 8000 series

42、 aluminum alloy conductor in accordance with the physical and electrical requirements of ASTM B800.Combination unilay stranding a central core wire surrounded by a layer of six helically laid wires of the same diameter as the core wire, with a helically laid outer layer containing six smaller wires

43、alternated between six wires of the same diameter as the wires in the layer underneath. Both layers have a common length and direction of lay.Master reel a reel that contains a single length of finished cable that is intended to be cut into shorter lengths for shipping.Nonmetallic sheathed cable cab

44、le with an assembly of two, three, or four insulated conductors without metallic coverings and having an outer covering of nonmetallic composition.Thermoplastic material that can repeatedly be softened by heating and hardened by cooling through a temperature range characteristic of the material, and

45、 that in the softened state can be shaped through the application of force.Thermoset a cured insulating (or jacketing) compound that will not soften and flow on subsequent heating.4 General requirementsGeneral requirements applicable to this Standard are given in CAN/CSA-C22.2 No. 0.5 Construction5.

46、1 GeneralNonmetallic sheathed cables covered by this Standard are listed in Table 1, and each type of cable shall comply with the requirements for construction details and test performance that apply to that type.C22.2 No. 48-15 Nonmetallic sheathed cableNovember 2015 2015 CSA Group 125.2 Conductors

47、5.2.1 Conductors shall be soft copper or ACM in compliance with the requirements of CSA C22.2 No. 75. The various conductor sizes, conductor types (solid or stranded), and conductor materials that may be used shall be as specified in Table 2. All conductors in the cable shall be of the same metal.5.

48、2.2 An uninsulated bonding conductor shall be incorporated in the assembly of a finished cable. For the two-conductor parallel construction, the bonding conductor shall be placed between the insulated conductors and on the same plane as the insulated conductors. For cables having three or four circu

49、it conductors, the bonding conductor shall be either laid up with the circuit conductors or placed in the centre section of the conductor assembly.5.2.3 The size of the uninsulated bonding conductor shall be not smaller than that indicated in Table 3.5.3 Insulation5.3.1 General5.3.1.1 Insulation applied over conductor joints and to insulation repairs shall be of equivalent composition to the parent insulation, and the thickness of the insulation at the joint shall comply with the values given in Clauses 5.3.2, 5.3.3, and 5.4, as appli