UL SUBJECT 2806-2015 UL Outline for Investigation Heavy Duty Flexible Power Cable (Issue 2)《重型软电力电缆的UL调查大纲 (议题2)》.pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDECEMBER 7, 20151UL 2806Outline of Investigation for Heavy Duty Flexible Power CableIssue Number: 2December 7, 2015Summary of TopicsThis second issue of the Outline of Investigation for Heavy Dut

2、y FlexiblePower Cable, UL 2806, is being issued to clarify the thickness of thejackets.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, owners

3、hips, and rights regardingthose Outlines of Investigation shall 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 ULDECEMBER 7, 2015UL 28062No Text on This P

4、ageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Undated References 4CONSTRUCTION3 Materials 44 Assembly 45 Conductors 55.1 General .55.2 Size and construction .56 Insulation 66.1 Thermoset insulation and jack

5、et (90C dry and 75C or 90C wet, 600, or 2000 volts) . .6PERFORMANCE7 General .98 Manufacturing and Production Tests 9MARKINGS9 Details .9DECEMBER 7, 2015 UL 2806 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This Outl

6、ine covers single-conductor, insulated heavy duty flexible power cable rated 90C, dry and,75C or 90C wet, 600, or 2000 V for use as flexible power and control cables in temporary or permanentinstallations.2 Undated References2.1 Any undated reference to a code or standard appearing in the requiremen

7、ts of this Outline ofInvestigation shall be interpreted as referring to the latest edition of that code or standard.CONSTRUCTION3 Materials3.1 In addition to being stated in the inch/pound units that are customary in the USA, each of therequirements in this outline are also stated in units that make

8、 the requirement conveniently useable incountries employing the various metric systems (practical SI and customary). Equivalent although, notnecessarily exactly identical results are to be expected from applying a requirement in USA or metricterms. Equipment calibrated in metric units is to be used

9、when a requirement is applied in metric terms.3.2 Only materials that are acceptable for the particular use shall be employed in a wire. Wires shall bemade and finished with the degree of uniformity and grade of workmanship that are practicable in awell-equipped factory.3.3 Each material used in a w

10、ire shall be compatible with all of the other materials used in the wire.4 Assembly4.1 The wire shall consist of a single, insulated, stranded copper conductor with or without a jacket,complying with the construction and materials requirements for Type RHH, RHW, or RHW-2 in theStandard for Thermoset

11、-Insulated Wires and Cables, UL 44, except where noted in 5.2.DECEMBER 7, 2015UL 28064UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5 Conductors5.1 General5.1.1 Only stranded conductors of tin-coated copper shall be used in a wire. Individua

12、l conductor strandsshall consist of materials complying with the:a) Standard Specification for Soft or Annealed Copper Wire, ASTM B3; orb) Standard Specification for Tin-Coated Soft or Annealed Copper Wire for Electrical Purposes,ASTM B33.5.2 Size and construction5.2.1 A conductor shall not be small

13、er than 14 AWG and shall not be larger than 1111.1 kcmil.Conductors shall comply with the:a) Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft, ASTM B8;b) Standard Specification for Rope-Lay-Stranded Copper Conductors Having Bunch-StrandedMembers, for E

14、lectrical Conductors, ASTM B172; orc) Standard Specification for Rope-Lay-Stranded Copper Conductors Having Concentric-Stranded Members, for Electrical Conductors, ASTM B173.5.2.2 All conductors shall comply with the requirements in the Standard for Thermoset-Insulated Wiresand Cables, UL 44, except

15、 as noted below. In addition to the AWG and kcmil conductor sizes noted in theStandard for Thermoset-Insulated Wires and Cables, UL 44, the following sizes are acceptable: 262.6,313.3, 373.7, 444.4, 535.3, 646.4, 777.7, 929.2, and 1111.1 kcmil.5.2.3 The minimum number of strands shall be in accordan

16、ce with Table 5.1.Table 5.1Conductor strandingSize, AWG or kcmil Minimum number of strands14, 12 AWG 1910 278376614 1052 1471 2101/0 2662/0 3233/0 4184/0 532262.2 kcmil 646313.3 775373.7 925444.4 1110DECEMBER 7, 2015 UL 2806 5Table 5.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR

17、 FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 5.1 ContinuedSize, AWG or kcmil Minimum number of strands535.3 1332646.6 1591777.7 1924929.2 22991111.1 27455.2.4 The direct-current resistance of the conductor sizes not found in the Standard forThermoset-Insulated Wires and Cable

18、s, UL 44, shall be in accordance with Table 5.2.Table 5.2Conductor resistanceMaximum direct-current resistanceSize, kcmil 20C, Ohms/1000 feet 25C, Ohms/1000 feetUncoated copper Coated copper Uncoated copper Coated copper262.2 0.0427 0.0444 0.0435 0.0452313.3 0.0358 0.0372 0.0365 0.0379373.7 0.0300 0

19、.0312 0.0306 0.0318444.4 0.0252 0.0262 0.0257 0.0267535.3 0.0209 0.0218 0.0213 0.0222646.6 0.0175 0.0182 0.0178 0.0186777.7 0.0145 0.0151 0.0148 0.0154929.2 0.0122 0.0127 0.0124 0.01291111.1 0.0102 0.0106 0.0104 0.01086 Insulation6.1 Thermoset insulation and jacket (90C dry and 75C or 90C wet, 600,

20、or 2000 volts)6.1.1 The insulation and jacket materials shall be in accordance with Table 6.1.Table 6.1Insulation and jacket materialsInsulation JacketSBR/IIR/NR, EP Required: CP, Thermoset CPE,NBR/PVC, Neoprene, XLXL Optional: same materials as aboveEPCV Optional: same materials as aboveCP, CPE Opt

21、ional: same materials as aboveComposite construction of CP, CPE, EPCV, or XL, all over EP,EPCV, Silicone, or XLOptional: same materials as above6.1.2 The insulation and jacket shall comply with the requirements for Type RHH, RHW (90C dry, 75Cwet rated), or RHW-2 (90C, dry and 90C wet rated) as speci

22、fied in the Standard for Thermoset-InsulatedWires and Cables, UL 44.DECEMBER 7, 2015UL 28066UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6.1.3 An insulation or jacket that is of a material generically different from those specified for Type

23、 RHH,RHW or RHW-2 (new material), or that is a material specified for Type RHH, RHW, or RHW-2 but thatdoes not comply with the short-term physical properties tests for Type RHH, RHW or RHW-2 insulation orjacket, shall be evaluated for the requested temperature rating as described in the Dry temperat

24、ure ratingof new materials (long-term aging test), in the Standard for Wire and Cable Test Methods, UL 2556.Investigation of the electrical, mechanical, and physical characteristics of the wire using the material shallshow the material to be comparable in performance to the Type RHH, RHW or RHW-2 in

25、sulation or jacket.The investigation shall include tests such as crushing, impact, abrasion, deformation, heat shock,insulation resistance, and dielectric voltage withstand.6.1.4 The average and minimum thickness of 600 volt insulation shall be in accordance with Table 6.2.The average and minimum th

26、ickness of 2000 volt insulation shall be in accordance with Table 6.3. Theaverage and minimum thickness of 600 volt composite insulation shall be in accordance with Table 6.4.The average and minimum thickness of a 2000 volt composite insulation shall be in accordance with Table6.5. The average and m

27、inimum thickness of a jacket shall be in accordance with Table 6.6.Table 6.2Minimum acceptable thicknesses of 600 V insulationConductor size(s) mils mmAWG or kcmilMinimum averagethickness ofinsulationMinimum thickness atany point of insulationMinimum averagethickness ofinsulationMinimum thickness at

28、any point of insulation14 2 AWG 45 40 1.14 1.021 4/0 55 50 1.40 1.27250 500 kcmil 65 58 1.65 1.47501 1111.1 80 72 2.03 1.83Table 6.3Minimum acceptable thicknesses of 2000 V insulationConductor size(s) mils mmAWG or kcmilMinimum averagethickness ofinsulationMinimum thickness atany point of insulation

29、Minimum averagethickness ofinsulationMinimum thickness atany point of insulation14 2 AWG 60 54 1.52 1.371 4/0 75 67 1.91 1.70250 500 kcmil 90 81 2.29 2.06501 1111.1 105 94 2.67 2.39DECEMBER 7, 2015 UL 2806 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMIS

30、SION FROM ULTable 6.4Minimum acceptable thicknesses of 600 V composite insulationSize(s) ofconductormils mmInner layer Outer layer Inner layer Outer layerAWG orkcmilMinimumaveragethicknessofinsulationMinimumthicknessat any pointofinsulationMinimumaveragethicknessofinsulationMinimumthicknessat any po

31、intofinsulationMinimumaveragethicknessofinsulationMinimumthicknessat any pointofinsulationMinimumaveragethicknessofinsulationMinimumthicknessat any pointofinsulation1410AWG30 27 15 14 0.76 0.69 0.38 0.368 45 40 15 14 1.14 1.02 0.38 0.366 2 45 40 30 27 1.14 1.02 0.76 0.691 4/0 55 50 45 40 1.40 1.27 1

32、.14 1.02250 500kcmil65 58 65 58 1.65 1.47 1.65 1.47501 1000 80 72 65 58 2.03 1.83 1.65 1.471100 1111.1100 90 95 85 2.54 2.27 2.41 2.16Table 6.5Minimum acceptable thicknesses of 2000 V composite insulationSize(s) ofconductormils mmInner layer Outer layer Inner layer Outer layerAWG orkcmilMinimumavera

33、gethicknessofinsulationMinimumthicknessat any pointofinsulationMinimumaveragethicknessofinsulationMinimumthicknessat any pointofinsulationMinimumaveragethicknessofinsulationMinimumthicknessat any pointofinsulationMinimumaveragethicknessofinsulationMinimumthicknessat any pointofinsulation1410AWG45 40

34、 15 14 1.14 1.02 0.38 0.368 2 55 50 30 27 1.40 1.27 0.76 0.691 4/0 65 58 45 40 1.65 1.47 1.14 1.02250 500kcmil75 68 65 58 1.90 1.73 1.65 1.47501 1000 90 81 65 58 2.29 2.06 1.65 1.471100 1111.1115 104 95 85 2.92 2.64 2.41 2.16DECEMBER 7, 2015UL 28068UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

35、REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 6.6Minimum acceptable thicknesses of jacketConductor size(s) mils mmAWG or kcmil Minimum averagethickness of jacketMinimum thickness atany point of jacketMinimum averagethickness of jacketMinimum thickness atany point of jacket14 10 AWG 15

36、12 0.38 0.308 2 30 24 0.76 0.611 4/0 45 36 1.14 0.91250 500 kcmil 45 36 1.14 0.91501 1111.1 60 48 1.52 1.22PERFORMANCE7 General7.1 For wires rated 75C wet, all tests shall be required for Types RHH and RHW single-conductorconstructions in accordance with the Standard for Thermoset-Insulated Wires an

37、d Cables, UL 44. Forwires rated 90C wet, all tests shall be required for Type RHW-2 single-conductor construction inaccordance with the Standard for Thermoset-Insulated Wires and Cables, UL 44. All of the flame tests andthe weather, oil and gasoline resistance ratings specified in UL 44 are applicab

38、le for this cable. Forconductor sizes not found in UL 44, the next largest AWG size found in the standard shall be used todetermine test requirements.8 Manufacturing and Production Tests8.1 The Spark Test in the Standard for Wire and Cable Test Methods, UL 2556 shall be conducted . Thetest voltage s

39、hall be according to the values required for 600 or 2000 volt rated Type RHH, RHW, orRHW-2.MARKINGS9 Details9.1 All of the wire and tag, reel, or carton markings required for Type RHH, RHW, or RHW-2 per theStandard for Thermoset-Insulated Wires and Cables, UL 44, shall be required for this cable wit

40、h thefollowing exceptions:a) In lieu of the UL 44 wire type designation, the words Heavy Duty Flexible Power Cable,or“HDFPC” on the wire and tag, reel, or carton; DLO may be additionally marked.b) Dry and wet temperature ratings on the wire and tag, reel, or carton.9.2 All of the optional rating markings specified in the Standard for Thermoset-Insulated Wires andCables, UL 44 shall be applicable to this cable.DECEMBER 7, 2015 UL 2806 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULDECEMBER 7, 2015UL 280610No Text on This Page