UL SUBJECT 2880-2014 UL Outline of Investigation for Limited-Power Wire and Cable Using Copper-Clad Aluminum Conductors (Issue 1)《使用铜包铝导线对有限功率电线和电缆的UL调查大纲 (议题1)》.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULOCTOBER 10, 20141UL 2880Outline of Investigation for Limited-Power Wire and Cable UsingCopper-Clad Aluminum ConductorsIssue Number: 1October 10, 2014Summary of TopicsEditorial revision to correct

2、 aged tensile strength in 11.2.2 from 59 to 50percent.COPYRIGHT 2014 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULOCTOBER 10, 2014UL 28802No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER R

3、EPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Components 43 Units of Measurement .44 References .4CONSTRUCTION5 Assembly 56 Conductors .57 Insulation 58 Overall Jacket 5MARKING9 On the Cable .510 On the Tag, Reel, or Carton .6TEST PROGRAM11 Details 711.1 Dimens

4、ions .711.2 Physical properties 711.3 Dielectric withstand and breakdown 811.4 Horizontal flame test (optional) 811.5 FT2 flame test (optional) .811.6 FT1 flame test (optional) .811.7 Cable flame test (optional) 811.8 VW-1 flame test (optional) 911.9 Durability of ink-print test .9MANUFACTURING AND

5、PRODUCTION LINE TESTS12 Spark Test 9OCTOBER 10, 2014 UL 2880 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This Outline covers single-conductor and multiple-conductor; integrally jacketed, jacketed andunjacketed; flat

6、 parallel or round multiple-conductor wires and cables utilizing copper-clad aluminum(CCA) conductors. Wires and cables are rated either 0.5mA/15W maximum or 30V/15W maximum. Themaximum temperature rating of the wire or cable shall not exceed 80C (176F). The wires and cablesare suitable for installa

7、tion in dry locations only.2 Components2.1 Except as indicated in 2.2, a component of a product covered by this outline shall comply with therequirements for that component.2.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required

8、 in the application of the component in theproduct covered by this outline, orb) Is superseded by a requirement in this outline.2.3 A component shall be used in accordance with its recognized rating established for the intendedconditions of use.2.4 Specific components are incomplete in construction

9、features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatures notexceeding specified limits and shall be used only under those specific conditions.3 Units of Measurement3.1 Values stated without parentheses are the

10、 requirement. Values in parentheses are explanatory orapproximate information.4 References4.1 Any undated reference to a code or standard appearing in the requirements of this outline shall beinterpreted as referring to the latest edition of that code or standard.4.2 Wherever the designation UL 1581

11、 is used in this standard, reference is to be made to thedesignated parts of the Reference Standard for Electrical Wires, Cables, and Flexible Cords, UL 1581.Whenever the designation UL 2556 is used in this standard, reference it to be made to the designatedparts of the Standard for Wire and Cable T

12、est Methods, UL 2556.4.3 Wherever CCA is used in this standard, it refers to Copper-Clad Aluminum.OCTOBER 10, 2014UL 28804UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONSTRUCTION5 Assembly5.1 The cable shall consist of a single- or multipl

13、e-conductor insulated CCA conductor(s) without a jacket,or one or more insulated CCA conductors cabled or laid together under an overall nonintegral or integraljacket. The cable may contain any number of coverings, fillers, binders, and/or shields under the jacket.6 Conductors6.1 Conductors shall be

14、 CCA and shall conform to the tensile strength and elongation, resistivity andcopper thickness as indicated in the Standard Specification for Copper-Clad Aluminum Wire, ASTM B566.The conductor size shall be between 36 AWG and 13 AWG inclusive. The annealed conductors shallcontain nominal 10 or 15 pe

15、rcent copper by volume.7 Insulation7.1 The insulation shall be thermoplastic or thermoset.8 Overall Jacket8.1 The overall jacket shall be thermoplastic or thermoset.MARKING9 On the Cable9.1 The surface marking on the insulated conductors shall consist of a series of dots and dashes asshown below con

16、tinuously along the length of the outer surface to indicate the presence of a copper-cladaluminum conductor._._._._._._._._._._._._._9.2 As an alternate to the series of dots and dashes indicated in 9.1, CCA may be surface printed onthe wire at intervals not to exceed 24 inches (610 mm) if the dimen

17、sions of the wire are such that theprinting is legible.9.3 Other markings such as wire size, number of conductors or similar data in compliance with this outlinemay be surface printed in parallel with the_._._._, integrated with the CCA marking, or on the outersurface of the wire or cable when they

18、are not confusing or misleading.OCTOBER 10, 2014 UL 2880 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL10 On the Tag, Reel, or Carton10.1 The tag markings shall be as follows:a) The organization responsible for the product.b) The model numb

19、er or catalog number.c) The maximum temperature rating.d) Either For use at 0.5mA/15W maximum or For use at 30V/15W maximum.e) Either Copper-clad aluminum conductors or CCA conductors.f) The percentage of copper, by area.g) Insulation material and thickness.h) Jacket material and thickness (if prese

20、nt).i) Size of conductors.j) Quantity of conductors, if more than one.k) Flame rating (if applicable).1) Horizontal Flame for compliance with 11.4.2) FT2 for compliance with 11.5.3) FT1 for compliance with 11.6.4) Cable Flame for compliance with 11.7.5) VW-1 for compliance with 11.8.l) Date of manuf

21、acture by month and year.OCTOBER 10, 2014UL 28806UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTEST PROGRAM11 Details11.1 Dimensions11.1.1 The nominal diameter of the conductor shall meet the requirements stated in the StandardSpecification

22、for Copper-Clad Aluminum Wire, ASTM B566 when measured in accordance with the test,Conductor diameter as described in UL 2556. The copper thickness shall be measured in accordancewith, and meet the requirements of ASTM B566 for Class 10A and Class 15A.11.1.2 The average thickness and the minimum thi

23、ckness at any point of the insulation and jacket (ifpresent) shall be measured in accordance with the Thickness test in UL 2556.11.1.3 The resistivity of the conductor shall meet the requirements shown in the Standard Specificationfor Copper-Clad Aluminum Wire, ASTM B566 when tested in accordance wi

24、th the Standard Test Methodfor Resistivity of Electrical Conductor Materials, ASTM B193.11.2 Physical properties11.2.1 The tensile strength and elongation of the conductor material shall be tested in accordance withand meet the requirements of the test Tensile strength and Elongation as described in

25、 StandardSpecification for Copper-Clad Aluminum Wire, ASTM B566. The test speed shall be 12 in/min (300mm/min).11.2.2 Tensile and elongation of the insulation and jacket (if present) shall be measured in accordancewith the test, Physical Properties (ultimate elongation and tensile strength) as descr

26、ibed in UL 2556. Theunaged tensile strength shall be at least 500 psi. The unaged elongation shall be at least 100 percent.After aging in accordance with Table 11.1, the aged tensile strength shall be at least 50 percent of theunaged value with no value shall be less than 500 psi. The aged elongatio

27、n shall be at least 50 percentof the unaged value.Table 11.1Aging time and temperatureRated temperature C Aging time, hours Aging temperature C 2 (F 3)60 168 100 (212)75 240 100 (212)80 168 113 (235)OCTOBER 10, 2014 UL 2880 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUT

28、ION WITHOUT PERMISSION FROM UL11.3 Dielectric withstand and breakdown11.3.1 The finished individual insulated conductors of a multi-conductor cable and completed singleconductors shall be capable of withstanding for 60 seconds, without breakdown, the application of analternating (rms) voltage of 500

29、 V between each insulated conductor and water in accordance with the testDielectric Voltage-Withstand Method 1 in UL 2556. After 1 minute of dielectric withstand, the voltage shallbe increased at a rate not to exceed 500V/sec until breakdown occurs.11.3.2 The test is to be repeated on specimens that

30、 have been subjected to the aging time andtemperature indicated in Table 11.1. The specimens shall be capable of withstanding for 60 seconds,without breakdown, the application of an alternating (rms) voltage of 500 V between each insulatedconductor and water. The dielectric breakdown voltage after a

31、ging shall be at least 50 percent of theunaged value.11.4 Horizontal flame test (optional)11.4.1 The finished wire or cable shall be tested with, and meet the requirements of the HorizontalSpecimen Appliance Wire Flame Test as described in UL 1581.11.5 FT2 flame test (optional)11.5.1 The length of t

32、he charred portion of the specimen of the finished cable shall not exceed 3.9 inches(100 mm), nor shall flaming particles ignite cotton. Compliance shall be determined when tested inaccordance with the test, FT2/FH/Horizontal flame, in UL 2556. In parallel constructions, the majordiameter shall be i

33、n the vertical plane for testing.11.6 FT1 flame test (optional)11.6.1 Finished cables shall not convey flame, continue to burn for more than 60 seconds after five 15second applications of a standard test flame. Compliance shall be determined in accordance with the test,FT1, in UL 2556. A specimen sh

34、all be considered to have conveyed flame if more than 25 percent of theextended portion of the indicator is burned. In parallel construction, the major diameter shall face theburner.11.7 Cable flame test (optional)11.7.1 The finished wire or cable shall be tested with, and meet the requirements of t

35、he Cable Flame Testas described in UL 1581.OCTOBER 10, 2014UL 28808UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL11.8 VW-1 flame test (optional)11.8.1 Finished cables shall not convey flame, continue to burn for more than 60 seconds after fi

36、ve 15second applications of a standard test flame. Compliance shall be determined in accordance with the test,FV-2/VW-1, in UL 2556. A specimen shall be considered to have conveyed flame if more than 25 percentof the extended portion of the indicator is burned. In parallel construction, the major di

37、ameter shall facethe burner.11.9 Durability of ink-print test11.9.1 Printing on the surface of the wire shall remain legible after being subjected to the test Durabilityof ink printing as described in UL 2556. One specimen shall be conditioned at a temperature of 60 2C(140 3F) for a period of 168 ho

38、urs. The second specimen shall be maintained at a temperature of 2510C (77 3F) for a minimum of 24 hours.MANUFACTURING AND PRODUCTION LINE TESTS12 Spark Test12.1 The Spark Test shall be performed by the manufacturer on 100 percent of the individual insulatedintended for incorporation in completed ca

39、bles, and on completed single conductor cables. Eachconductor shall withstand a spark test using a test voltage of 1500 V AC.12.2 Compliance shall be determined in accordance with the test, Spark, in UL 2556.OCTOBER 10, 2014 UL 2880 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULOCTOBER 10, 2014UL 288010No Text on This Page