1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 4, 20151UL 3566Outline of Investigation for Copper-Clad Aluminum ConductorsIssue Number: 1August 4, 2015Summary of TopicsThis is the first issue of the Outline of Investigation for Copper-
2、CladAluminum Conductors.ULs Outlines of Investigation are copyrighted by UL. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall
3、 remain the sole and exclusive property of UL.COPYRIGHT 2015 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 4, 2015UL 35662No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTIO
4、N ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Components 43 Units of Measurement .44 Undated References 4CONSTRUCTION5 General 56 Copper Thickness .57 Copper Volume .5TEST PROGRAM8 Tests 58.1 General .58.2 Dimensions 58.3 Physical properties .6MARKINGS9 Marking on Tag .6
5、AUGUST 4, 2015 UL 3566 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This Outline covers copper-clad aluminum conductor materials. The percentage copper by volume isgreater than 15 percent, the maximum percentage show
6、n in the Standard Specification for Copper-CladAluminum Wire, ASTM B5662 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) Invol
7、ves a feature or characteristic not required in the application of the component in theproduct covered by this Outline, orb) Is superseded by a requirement in this Outline.2.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.2.4 Specific component
8、s are incomplete in construction 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
9、stated without parentheses are the requirement. Values in parentheses are explanatory orapproximate information.4 Undated 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 sta
10、ndard.AUGUST 4, 2015UL 35664UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONSTRUCTION5 General5.1 The wire shall consist of a core of aluminum with a continuous outer cladding of copper thoroughlybonded to the core throughout the entire len
11、gth and circumference.6 Copper Thickness6.1 Class 20A copper clad aluminum shall have a minimum thickness of not less than 8.5 percent of thewire radius.7 Copper Volume7.1 Class 20A copper clad aluminum shall contain not less than 18 percent and not more than 22 percentcopper by volume.TEST PROGRAM8
12、 Tests8.1 General8.1.1 Class 20A copper-clad aluminum conductor shall be tested in accordance with the methods for aClass 15A conductor for the tests described in 8.2 and 8.3 only, in accordance with Standard Specificationfor Copper-Clad Aluminum Wire, ASTM B566 with the following modifications.8.2
13、Dimensions8.2.1 The nominal diameter of the conductor shall meet the requirements stated in the StandardSpecification for Copper-Clad Aluminum Wire, ASTM B566 when measured in accordance with the test,Conductor diameter as described in Wire and Cable Test Methods, UL 2556. The copper thickness shall
14、be measured in accordance with the method described in ASTM B566 for Class 15A. Class 20A copperclad aluminum shall have a minimum copper thickness of not less than 8.5 percent of the wire radius.8.2.2 The resistivity of the conductor shall be tested in accordance with the Standard Test Method forRe
15、sistivity of Electrical Conductor Materials, ASTM B193. Class 20A copper-clad aluminum conductorshall have a maximum resistivity of 0.026002 mm2/m at 20C.AUGUST 4, 2015 UL 3566 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL8.3 Physical prop
16、erties8.3.1 The tensile strength and elongation of the conductor material shall be tested in accordance with andmeet the requirements of the test Tensile strength and Elongation for Class 15A as described in theStandard Specification for Copper-Clad Aluminum Wire, ASTM B566. The test speed shall be
17、12inches/minute (300 mm/minute).MARKINGS9 Marking on Tag9.1 Each coil or reel of cable is plainly marked or tagged to indicate the following:a) Identification of the organization responsible for the product.b) Conductor size.c) Either Copper-clad aluminum conductor or CCA conductor.d) The percentage of copper, by area.AUGUST 4, 2015UL 35666
