CSA C22 2 NO 35-2009 Extra-low-voltage control circuit cable low-energy control cable and extra-low-voltage control cable (Sixth Edition Update No 1 May 2010 Update No 2 June 2014).pdf

1、C22.2 No. 35-09Extra-low-voltage control circuit cable, low-energy control cable, and extra-low-voltage control cableLegal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by the Standards Council of Canada. T

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15、se this document; and.print this document if it is in PDF format. Limited copies of this document in print or paper form may be distributed only to persons who are authorized by CSA to have such copies, and only if this Legal Notice appears on each such copy.In addition, users may not and may not pe

16、rmit others to.alter this document in any way or remove this Legal Notice from the attached standard;.sell this document without authorization from CSA; or.make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not lo

17、ad or use this document or make any copies of the contents hereof, and if you do make such copies, you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.Update No. 2C22.2 No. 35-09June 2014Note: For information

18、 about the Standards Update Service or if you are missing any updates, go to shop.csa.ca or e-mail techsupportcsagroup.org.Title: Extra-low-voltage control circuit cable, low-energy control cable, and extra-low-voltage control cable originally published September 2009Revisions issued: Update No. 1 M

19、ay 2010The following revisions have been formally approved and are marked by the symbol delta () in the margin on the attached replacement pages:Revised Clauses 7.2.2.2.1, 7.2.2.3, and 7.2.5.1 and Table 10New NoneDeleted None Update your copy by inserting these revised pages.Keep the pages you remov

20、e for reference.Blank page 2014 CSA GroupExtra-low-voltage control circuit cable, low-energy control cable, and extra-low-voltage control cableJune 20146.4.2.2.2 Compliance with the cold bend test in Clause 6.4.2.2.1 shall be determined in accordance with the apparatus and method of the cold bend te

21、st of CAN/CSA-C22.2 No. 2556.6.4.2.3 Heat shock6.4.2.3.1 The insulation on a specimen of individual conductor shall show no cracks, either externally or internally, when wound six close turns around a mandrel having a diameter equal to the outside diameter of the specimen and then subjected to a tem

22、perature of 121 1 C for 1 h. After the specimen has been allowed to cool to 23 2 C, and while still on the mandrel, it shall withstand, without breakdown, for a period of 1 min, the dielectric strength test specified in Clause 6.4.2.4.6.4.2.3.2 Compliance with the heat shock test in Clause 6.4.2.3.1

23、 shall be determined in accordance with the apparatus and method of the heat shock test of CAN/CSA-C22.2 No. 2556.6.4.2.4 Dielectric strength following the cold bend and heat shock tests6.4.2.4.1 The dielectric strength test required in Clauses 6.4.2.2.1 and 6.4.2.3.1 shall consist of the applicatio

24、n of an ac (rms) voltage of 2000 V for a period of 1 min applied between the conductor and the water after the specimen, except for the ends, has been immersed in tap water for 1 h at room temperature.6.4.2.4.2 Compliance with the dielectric strength tests in Clauses 6.4.2.3.1 and 6.4.2.4.1 shall be

25、 determined in accordance with the apparatus and method of the dielectric voltage-withstand test of CAN/CSA-C22.2 No. 2556.6.4.2.5 Flame FT16.4.2.5.1 Finished Type ELC cables shall neither convey flame nor continue to burn more than 1 min after five 15 s applications of a standard test flame. A spec

26、imen shall be considered to have conveyed flame if more than 25% of the extended portion of the indicator is burned.6.4.2.5.2 Compliance with the flame test in Clause 6.4.2.5.1 shall be determined in accordance with the apparatus and method of the flame test (FT1) of CAN/CSA-C22.2 No. 2556.7 Golf co

27、urse and lawn sprinkler wire, low-voltage landscape lighting, and underground low-energy circuit cables7.1 GeneralClause 7 applies to wires and cables for use in golf course sprinkler systems (GCS), lawn sprinkler systems (LSS), low voltage landscape lighting (LVLL), and underground low energy circu

28、its (ULEC), intended for operation at no more than 30 V and rated 60 C maximum.15(Replaces p. 15, September 2009)C22.2 No. 35-09 2014 CSA GroupJune 20147.2 Construction7.2.1 Conductors7.2.1.1 Bare copper conductorsEach wire in a bare copper conductor shall comply with the requirements of ASTM B 3.7.

29、2.1.2 Tin-coated copper conductorsEach wire in a tin-coated copper conductor shall comply with the requirements of ASTM B 33. Sizes 14 AWG, 12 AWG, and 10 AWG stranded conductors may be overcoated with a layer of tin.7.2.1.3 SizesConductors shall be of a size specified in Table 10.7.2.1.4 Joint or s

30、pliceA joint in a solid conductor or in one of the individual wires of a stranded conductor shall neither increase the diameter nor decrease the strength of the conductor or the individual wire. A joint shall not be made in a stranded conductor as a whole, except that a bunch-stranded conductor as a

31、 whole in sizes of No. 10 AWG and smaller, made up of No. 26 AWG or smaller strands, may be brazed or welded, providing the solid section of the conductor does not exceed 13 mm in length and the distance between brazes or welds is a minimum of 1 km. Joints in a compressed or compact conductor should

32、 be made prior to compressing or compacting. Joints in the individual wires in a stranded conductor should be staggered by at least two times the lay length (9 AWG and larger).7.2.2 Insulation7.2.2.1 GeneralThe insulation on the conductors shall meet the requirements of Clause 7.2.2.2 or 7.2.2.3, as

33、 applicable.7.2.2.2 Polyvinyl chloride (PVC) All types7.2.2.2.1 The entire length of individual conductors shall be insulated with a PVC thermoplastic material meeting all the requirements of this Standard. The insulation shall be applied directly over the conductor or over the separator if provided

34、, and shall fit tightly thereto. The insulation shall be free of pores, splinters, and other inhomogeneities visible without magnification to normal or corrected-to-normal vision. The physical properties shall meet the requirements specified in Table 11.7.2.2.2.2 Compliance with the elongation requi

35、rement of Clause 7.2.2.2.1 shall be determined in accordance with the apparatus and method specified in the tensile properties and exposure to accelerated aging tests of CSA C22.2 No. 0.3.7.2.2.3 Polyethylene (PE)Prior to application to the conductors, Types GCS, LSS and ULEC using PE insulation sha

36、ll meet the requirements of ASTM D 1248, for Type I or II, Class A or B or C, Grade E4 or E5 or E7 or E8 or E11, and Category 4 or 5. After application to the conductor, the PE insulation shall meet the physical and electrical requirements of ASTM D 1351, except that the minimum elongation for Type

37、I low density PE shall be 350% and for Type II medium density PE shall be 250%.(Replaces p. 16, September 2009)16 2014 CSA GroupExtra-low-voltage control circuit cable, low-energy control cable, and extra-low-voltage control cableJune 20147.2.2.4 Thickness of insulation All typesThe minimum average

38、thickness of insulation shall be not less than the values specified in Table 10. The minimum thickness at any point shall be not less than 90% of the minimum average thickness specified in Table 10. Two or three insulated conductors are laid parallel with an interconnecting web. The thickness of the

39、 insulation after separation of the multiconductor cable conductors shall not be decreased. Compliance shall be determined in accordance with the thickness test of CAN/CSA-C22.2 No. 2556.7.2.3 Conductor assemblyTypes GCS and LSS in sizes 20 to 16 AWG consisting of two or more conductors shall have t

40、he individual insulated conductors twisted (length and direction of lay not specified), except that in the case of a 2-conductor assembly, the individual insulated conductors may be laid parallel. Types LVLL and ULEC in 2- and 3-conductor constructions shall consist of parallel constructions with in

41、dividual insulated conductors joined by a web or other suitable means.7.2.4 Jackets Other than PE (optional)7.2.4.1 Types GCS and LSS using thermoplastic (other than PE) or thermosetting jackets shall meet the applicable requirements of Clause 7.2.4.1, 7.2.4.2, or 7.2.4.3. Jacket materials shall be

42、compatible with the insulating material. The thickness of the jacket shall be not less than the values specified in Table 10.7.2.4.2 The physical properties of thermoplastic jackets other than PE shall meet the requirements of Table 12.7.2.4.3 The physical properties of thermoset jackets shall meet

43、the requirements of Table 12.7.2.4.4 Compliance with the physical properties requirements of Clauses 7.2.4.2 and 7.2.4.3 shall be determined in accordance with the apparatus and method specified in the tensile properties and exposure to accelerated aging tests of CSA C22.2 No. 0.3.7.2.5 PE jackets (

44、optional)7.2.5.1 Types GCS and LSS using PE jackets, before application to the conductors, shall meet the requirements of ASTM D 1248 for overall jackets of the following specifications:(a) Class C; (b) Type I or II; (c) Category 4 or 5; and(d) Grade J1, J3, J4, or J5.The thickness of the jacket sha

45、ll be not less than the values specified in Table 10.7.2.5.2 PE jackets shall have a minimum elongation of 250% for Type II (medium density) and 350% for Type I (low density) PE.7.3 Marking7.3.1 Marking on cableGolf course and lawn sprinkler wire systems and low-voltage landscape lighting and underg

46、round low-energy circuit cables shall have durable and distinctive markings on the surface of the insulation or 17(Replaces p. 17, September 2009)C22.2 No. 35-09 2014 CSA GroupJune 2014covering, as applicable, at 1 m intervals, throughout their entire length. The marking on the surface of the wires

47、and cables shall include(a) manufacturers name, trade name, or other distinctive marker;(b) voltage rating (30 V);(c) type designation;(d) flame test classification for Types GSC, LSS, and LVLL;(e) low temperature classification “ 40 C” (if applicable);(f) size of conductor;(g) “DIR-BUR ONLY” or “Di

48、rect Burial Only” for Type ULEC; (h) “SUN LIGHT RESISTANT”, “SUN RES”, or “SR” for constructions in compliance with Clause 7.4.4; and(i) optional “DIRECT BURIAL” or “DIR-BUR” (jacketed types GCS (b) date of manufacture; Note: As an alternative, the date of manufacture may be printed on the surface o

49、f the product in the same manner and location as specified in Clause 7.3.1.(c) type designation;(d) size of conductor;(e) maximum voltage (30 V);(f) “To be used for direct burial only” for Type ULEC; and(g) “Caution: Do not use as a building wire”.7.4 Tests7.4.1 Dielectric strength PVC insulated types7.4.1.1 A finished wire or cable shall be immersed in water at room temperature for not less than 6 h. It shall then be subjected to an application of an ac test voltage of 1000 V while immersed. The insulation shall be such that a finished wire or