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ASTM_D_3554_-_20e1.pdf

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1、Designation:D3554201Standard Specification forTrack-Resistant Thermoplastic High-Density PolyethyleneInsulation for Wire and Cable,75 C Operation1This standard is issued under the fixed designation D3554;the number immediately following the designation indicates the year oforiginal adoption or,in th

2、e case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEEditorially corrected Table 1 and 4.1 in October 2020.1.Scope*1.1 This specification covers track-

3、resistant thermoplastichigh-density polyethylene insulation.Before application to theconductor,the insulation shall comply with the requirements ofSpecification D1248,Type III,Class C or D,Category 5,GradeE10,J4,or J5.The requirements of Specification D1248 shallnot apply to the insulation removed f

4、rom the conductor.1.2 This type of insulation is considered suitable for use onwire or cable that will be used for continuous operation atconductor temperatures up to 75 C.1.3 This insulation is suitable for use on wire or in cableused for power transmission in overhead spaced-line service,installed

5、 at temperatures above 25 C and exposed to sunlightand other atmospheric environments between 55 and+75 C.1.4 In many instances,the insulation cannot be tested unlessit has been formed around a conductor.Therefore,tests done oninsulated wire in this standard are solely to determine therelevant prope

6、rty of the insulation and not to test the conductoror completed cable.1.5 Whenever two sets of values are presented,in differentunits,the values in the first set are to be regarded as standard.The values given in parentheses are mathematical conversionsthat are provided for information only and are

7、not consideredstandard.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organizatio

8、n TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1248 Specification for Polyethylene Plastics ExtrusionMaterials for Wire and CableD1693 Test Method for Environmental Stress-Cracking ofEthylene PlasticsD1711 Terminology Relating to Electrical InsulationD1928 Prac

9、tice for Preparation of Compression-MoldedPolyethylene Test Sheets and Test Specimens(Withdrawn2001)3D2132 Test Method for Dust-and-Fog Tracking and ErosionResistance of Electrical Insulating MaterialsD2633 Test Methods for Thermoplastic Insulations andJackets for Wire and Cable3.Terminology3.1 Defi

10、nitions:3.1.1 For definitions of terms used in this specification,referto Terminology D1711.3.2 Definitions of Terms Specific to This Standard:3.2.1 aging,(act of),nexposure of materials to air at atemperature of 100 C for 48 h.4.Physical Properties4.1 When tested for physical and aging requirements

11、,heatdistortion,cold bend,u-bend discharge,and surface resistivityin accordance with Test Methods D2633,environmental crack-ing in accordance with Test Method D1693,and track resis-tance in accordance with Test Method D2132,the track-resistant thermoplastic high-density polyethylene insulationshall

12、meet the requirements specified in Table 1.5.Electrical Requirements5.1 Subject cable specimens to a 5 min ac or dc voltagewithstand test at voltages which are based on the nominal1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and

13、 is the direct responsibility ofSubcommittee D09.07 on Electrical Insulating Materials.Current edition approved Aug.1,2020.Published September 2020.Originallyapproved in 1977.Last previous edition approved in 2018 as D3554 07(2018).DOI:10.1520/D3554-20E01.2For referenced ASTM standards,visit the AST

14、M website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes sect

15、ion appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Prin

16、ciples for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.thickness of the insulation.Conduct tests in accordance withTest Methods D2633 using 125 V/mil(5000 V/mm)for ac testsor 375 V/mil(15 000 V/mm)for dc tests.6.Sampling6.1 Sample the insulation in accordance with Test MethodsD2633 and D1693.7.Test Methods7.1 Test the insulation in accordance with Test MethodsD2633 and D1693,modified as note

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