1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL LLC CERTIFICATION REQUIREMENT DECISIONThis Certification Requirement Decision is prepared by UL LLC. It is normative for the applicable ULProduct Certification Program(s); however, it is curre
2、ntly not part of the UL Standard(s) referencedbelow.Product Category (CCN): ZJCZStandard Number: UL 62Standard Title: Standard for Flexible Cords and CablesEdition Date: March 14, 2014Edition Number: 19Section / Paragraph Reference: 4.1.4.1.1, 5.1.7, 5.1.8.1, 5.1.10.1, 5.1.20, 5.1.20.1,5.1.21.1, Tab
3、les, 2, 23, 44, 46, 47, 49Subject: Addition of Type YXTWuDECISION:4.1.4 Conductor assembly4.1.4.1 Lay of conductors4.1.4.1.1 Flexible cords with cabled conductors shall have the individual conductors twisted together witha length of lay not greater than that shown in Table 10. When cords covered in
4、Table 10 have mixedconductor sizes, the lay shall be based on the number of conductors and the largest conductor size foundin the cord. Constructions not covered in Table 10 shall have the individual conductors laid up so that thelay shall be not more than 15 times the overall diameter of the conduc
5、tor assembly. For CXTWu, YXTWu,CXWTc, and TXc, the lay shall not be more than 30 times the overall diameter of the insulated conductor.For multiple-layer cords, the conductors in each layer shall be twisted, but the lay is not specified, exceptthat in the outer layer the lay shall be not more than 1
6、5 times the overall diameter of that layer.4.1.4.1.2 Length of lay shall be determined in accordance with the test, Length of Lay (coveredcomponents), in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-516-ANCE.5.1.7 Weather resistance - all W cords and electric vehicle cablesAfter conditioning for 720 h
7、in a xenon arc weatherometer as described in the test, Weather (sunlight)resistant, in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-553-ANCE, the insulation on a specimen ofthe individual conductor of Types CXWTc, YXTWuand CXTWuand on finished Types PXWTc, SPT-1Wc,u,SPT-2Wc,u, and XTWuand the jacket of
8、 other Type W cords shall:(a) Show no cracks when wound one complete turn around a mandrel having a diameter asshown in Table 43 while at a temperature of -30C 1C for a period of 1 h. During the bending,the conditioned surface shall be opposite the surface contacting the mandrel. The specimenshall b
9、e allowed to rest 16 h to 96 h at room temperature before conducting the cold bend test.(b) Retain an average tensile strength and elongation of not less than 80%. Conditioned andunaged sets (five specimens each) shall be allowed to rest 16 h to 96 h at room temperature,followed by physical properti
10、es testing. Conditioned surfaces required to be diecut shall not bebuffed or skived away.5.1.8 Heat-shock resistance5.1.8.1 PVC and TPE insulationsUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULThe insulation shall show no cracks when specime
11、ns of finished unjacketed cords and specimens of theindividual conductors from jacketed cords and Types CXWTc, CXTWu, YXTWuand TXcare exposed to atemperature of 121C 2C for all temperature ratings of PVC and TPE rated at 60C, or 150C 2C forTPE rated in excess of 60C, for 1 h while wound six close tu
12、rns around a mandrel having a diameter asshown in Table 44. The specimen shall show no cracks when unwound from the mandrel after cooling toroom temperature.5.1.10 Tightness of insulation test5.1.10.1 The insulation of Types CXWTcand,CXTWuand YXTWushall be applied tightly to reduceslipping of the co
13、nductor in the insulation when each conductor is subjected to the procedure outlined inClause 5.1.10.2. The insulation on parallel cords other than Type TPT, shaver cordsu, NISPm,u, NISPEm,u,or NISPT cords shall be applied tightly to reduce slipping of the insulation when subjected to theprocedure o
14、utlined in Clause 5.1.10.3.5.1.10.2 Following the method described in Clause 5.1.10.4 and with the 1.81 kg (4 lb) weight andspecimen thus suspended for a period of 30 s, slipping of the conductor, separator, or combination thereofshall not exceed 3 mm (0.11 in). Measurement shall be made at the top
15、of the specimen at the point atwhich the bare conductor enters the insulation.5.1.10.3 Following the method described in Clause 5.1.10.4 and with the 3.63 kg (8 lb) weight andspecimen thus suspended for a period of 30 s, slipping of either single conductor, separator, orcombination thereof shall not
16、 exceed 3 mm (0.11 in). Measurement shall be determined from the pointwhere the conductor is cut off even with the insulation.5.1.10.4 Compliance with Clauses 5.1.10.2 and 5.1.10.3 shall be determined in accordance with the test,Tightness of insulation, in CAN/CSA-C22.2 No. 2556, UL 2556, or NMX-J-5
17、56-ANCE.5.1.20 Abrasion test for Types XTWuand CXTWu, YXTWu5.1.20.1 GeneralThe insulation on the 22 AWG size of Types XTWuand CXTWuwire and of the straightened individualconductors from finished Type CXTWucord shall not wear through to expose the conductor or conductorsin 400 or fewer cycles on any
18、of the specimens. The insulation on an YXTW wire shall not wear throughto expose the conductor in 600 or fewer cycles on any of the specimens.5.1.21.1 GeneralNo more than half the strands in any conductor in the 22 AWG size of Types XTWuand CXTWucord andwire shall be broken by 6000 cycles of the fle
19、xing. No more than half the strands in any conductor of aType YXTWuwire shall be broken by 9000 cycles of the flexing.5.1.21.5 ExaminationFollowing the completion of the 6000 appropriate number of cycles of flexing, the weights shall beremoved from the specimens. The wire or cord shall be cut open a
20、t the points of flexure against the twofixed rods and the number of broken strands counted in each conductor.STANDARD NUMBER: UL 62 -2-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 2Stranding(See Clauses 4.1.1.7.1 and 4.4.1.2.)Cord or
21、cable type Conductor size*Diameter of individual wiresMinimum Maximummm (in) mm (in)SPT-0m0.325 mm2(22AWG)0.125 (0.0049) 0.260 (0.010)CXTWu, XTWu0.325 mm2(22AWG)0.079 (0.0031) 0.165 (0.0065)YXTWu0.519 mm2(20AWG) and 18AWG)0.125 (0.0049) 0.260 (0.010)SP-1m,u*, SP-2u, SPT-1*, SPT-2,SPT-1Wc,u, SPT-2Wc,
22、u, SVT, SVTO, SVTOO, SV, SVO,SVOO, HPN, HSJ, HSJO, HSJOW, HSJOO, HSJOOW,HPDu, SPE-1u*, SPE-2u, SVEu, SVEOu, SVEOOu, NISP-1m,u, NISP-2m,u, NISPT-1, NISPT-2, NISPE-1m,u, NISPE-2m,u, clockuAll sizes 0.125* (0.0049)* 0.165(0.0065)0.260* (0.010*)SJ, SJT, SJTO, SJTOO, SJO, SJOO, SJOW, SJOOW, S,SO, SOO, SO
23、W, SOOW, SJTW, SJTOW, SJTOOW, ST,STO, STOO, STW, STOW, STOOW, SP-3m,u, SPT-3,PXWTc, CXWTc, SJEu, SJEWu, SJEOu, SJEOWu, SJEOOu,SJEOOWu,SEu, SEWu, SEOu, SEOWu, SEOOu, SEOOWu,SPE-3u, EVJ, EVJEm,u, EVJT, EV, EVEm,u, EVT2.63 mm2(13AWG) and smaller0.125 (0.0049) 0.260 (0.010)3.31 33.6 mm2(12 2 AWG)0.125 (
24、0.0049) 0.410(0.016)E, EO, ETT, ETP All sizes 0.125 (0.0049) 0.260 (0.010)CXTWu, XTWu20 18 AWG 0.125 (0.0049) 0.260 (0.010)PXTc,TXc0.325 mm2(22AWG) and 0.519mm2(20 AWG)0.125 (0.0049) 0.260 (0.010)EV, EVEm,u, EVT 1 2/0 AWG Minimum 133 strands, stranded size notspecified3/0 AWG 500kcmilMinimum 259 str
25、ands, stranded size notspecifiedAll other types (except hoistway cable) 4.17 mm2(11AWG) and smaller0.125 (0.0049) 0.410 (0.016)5.26 mm2(10AWG) and larger0.125 (0.0049) 0.821 (0.032)* For SPT-1, SP-1m,u, and SPE-1utypes, a composition of wires having sizes not smaller than that of 0.079 mm (0.0031 in
26、) for0.519 mm2(20 AWG) conductors shall be permitted.* Stranded sizes only permitted in Mexico. In Canada and the United States, the following applies. For 2 X 1.31 mm2(16 AWG), 3 X 1.31 mm2(16 AWG), 2 X 0.824 mm2(18 AWG), and 3 X 0.824 mm2(18 AWG) Type SPT-2 and SPE-2uflexible cords, a diameter of
27、the individual wires in theconductors of 0.166 mm to 0.260 mm (0.0066 in to 0.010 in) shall be permitted when such cords are for use in extension cordsets other than those with cord take-up reels. In Mexico, this is not applicable. Sizes 0.259 mm2and 0.162 mm2(23 AWG and 25 AWG) strands, respectivel
28、y, shall be permitted for 33.6 mm2and 21.2 mm2(2 AWG and 4 AWG) size extra-hard-usage cords.STANDARD NUMBER: UL 62 -3-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 2 ContinuedCord or cable type Conductor size*Diameter of individual wir
29、esMinimum Maximummm (in) mm (in) All conductors of Type DRTccable in sizes 5.26 mm2(10 AWG) and larger shall be composed of not fewer than 49 strands,except for sizes 3.31 mm 5.26 mm2(12 10 AWG) grounding conductors; for these sizes the grounding conductors mayemploy a minimum of 7 strands.Table 23D
30、ecorative cords and clock cords(See Clauses 4.3.1, 4.3.3.1, and 4.3.9.3.)TypeXTWuCXTWuCXTWuYXTWuSPT-1Wc,uSPT-2Wc,uClockuMaximum temperature,C105 105 105 105 105 105 60, 105Maximum voltage, V 300 300 300 300 300 300 125Size of conductors, mm2(AWG)0.325, 0.519and 0.824 (22,20 and 18)0.325, 0.519and 0.
31、824 (22,20, and 18)0.325, 0.519and 0.824 (22,20, and 180.519(20) and0.824(18)0.519 and0.824 (20 and18)0.824 1.31(18 16)0.519 (20)Number of conductors 2 6 2 1 1 222Conductor:Material Soft annealed copper (Clause 4.1.1.2)Size Cross-sectional area and DC resistance (Clause 4.1.1.3.1)Stranding Size of w
32、ires (Clause 4.1.1.7.1), lay of wires (Clause 4.1.1.7.2)General Joints, coatings, separators (Clauses 4.1.1.4, 4.1.1.5, and 4.1.1.6)Conductor identification 4.1.9 4.1.9 N/A N/A 4.1.9 4.1.9 N/AMaximum lay ofconductorsN/A 4.1.4.1 N/A N/A N/A N/A N/AInsulation class 77777 7 4, 7Minimum averagethickness
33、, mm (mils)0.76 (30)* 0.76 (30) 0.76 (30) 1.14 (45)* 0.76 (30)* 1.14 (45)* 0.76 (30)*Minimum thickness(before separation forparallel), mm (mils)0.69 (27) 0.69 (27) 0.69 (27)N/A N/A 0.69 (27) 1.02 (40) 0.69 (27)Minimum thickness afterseparation, mm (mils)0.33 (13) N/A N/A N/A 0.33 (13) 0.69 (27) 0.33
34、 (13)Minimum web thickness,mm (mils)1.14 (45) N/A N/A N/A 1.14 (45) 2.03 (80) 1.14 (45)Assembly ParallelintegralTwisted Single Single ParallelintegralParallelintegralParallelintegralTests, Clause:Physical properties,insulation5.1.1 5.1.1 5.1.1 5.1.1 5.1.1 5.1.1 5.1.1Deformation 5.1.3 5.1.3 5.1.3 5.1
35、.3 5.1.3 5.1.3 5.1.3Spark 5.2.1 5.2.1 5.2.1 5.2.1 5.2.1 5.2.1 5.2.1Dielectric strength 5.2.2 5.2.2 5.2.2 5.2.2 5.2.2 5.2.2 5.2.2Continuity 5.2.7 5.2.7 5.2.7 5.2.7 5.2.7 5.2.7 5.2.7Flame FT2 N/A N/A N/A N/A 5.1.5.3(mandatory)5.1.5.3(mandatory)5.1.5.3(mandatory)Flame VW-1 5.1.5.4(mandatory)5.1.5.4(man
36、datory)5.1.5.4(mandatory)5.1.5.4(mandatory)5.1.5.4(optional)5.1.5.4(optional)5.1.5.4(optional)STANDARD NUMBER: UL 62 -4-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 23 ContinuedTypeXTWuCXTWuCXTWuYXTWuSPT-1Wc,uSPT-2Wc,uClockuFlame FT1
37、(optional) 5.1.5.1 5.1.5.1 5.1.5.1 5.1.5.1 5.1.5.1 5.1.5.1 5.1.5.1Flame FT4 (optional) 5.1.5.2 5.1.5.2 5.1.5.2 5.1.5.2 5.1.5.2 5.1.5.2 5.1.5.2Cold bend 5.1.6 5.1.6 5.1.6 5.1.6 5.1.6 5.1.6 5.1.6Weather resistance 5.1.7 5.1.7 5.1.7 5.1.7 5.1.7 5.1.7 N/ADurability of print 5.1.12 5.1.12 5.1.12 5.1.12 5
38、.1.12 5.1.12 5.1.12Heat-shock resistance 5.1.8 5.1.8 5.1.8 5.1.8 5.1.8 5.1.8 5.1.8Insulation resistance 5.2.3 5.2.3 5.2.3 5.2.3 5.2.3 5.2.3 5.2.3Permittivity and stabilityfactor5.2.4 5.2.4 5.2.4 5.2.4 5.2.4 5.2.4 N/AConductor corrosion 5.2.8 5.2.8 5.2.8 5.2.8 5.2.8 5.2.8 5.2.8Tightness of insulation
39、 5.1.10 5.1.10 5.1.10 5.1.10 5.1.10 5.1.10 5.1.10Application Outdoor Outdoor Outdoor Outdoor Outdoor Outdoor Indoor* This value is provided for information only. It is not a requirement.Table 44Mandrel diameter for heat-shock resistance test on thermoplastic insulation, mm (in)(See Clause 5.1.8.1.)S
40、ize ofconductormm2(AWG)Types PXTc,TXc, ETT,ETP, SPT-1,SPE-1u, SPT-1Wc,u, SPT-0m, clockcordu, andindividualconduct or ofjacketedcords andcablesType TPTShavercorduIndividualconductorof Type TSTType XTWu,CXTWuTypeCXWTcTypeYXTWuTypesSPT-2,SPT-2Wc,u,SPE-2u,PXWTcTypesSPT-3,SPE-3u0.100 (27) 2.4 (0.094) 2.4
41、 (0.094) 2.4 (0.094) 0.325 (22) 2.0 (0.078) 2.4 (0.094) 2.4 (0.094) 3.6 (0.14) 4.0 (0.16) 0.519 (20) 2.4 (0.094) 2.4 (0.094) 2.4 (0.094) 3.6 (0.14) 4.0 (0.16) 4.0 (0.16) 0.824 (18) 2.8 (0.11) 2.4 (0.094) 3.6 (0.14) 4.0 (0.16) 4.0 (0.16) 5.2 (0.20)1.04 (17) 3.0 (0.12) 4.6 (0.18) 5.4 (0.21)1.31 (16) 3
42、.3 (0.13) 4.0 (0.16) 5.2 (0.20) 5.6 (0.22)1.65 (15) 3.6 (0.14) 5.8 (0.23)2.08 (14) 4.0 (0.16) 6.7 (0.27) 5.6 (0.22) 6.0 (0.24)2.63 (13) 4.4 (0.17) 3.31 (12) 4.8 (0.19) 6.7 (0.27) 7.1 (0.28)4.17 (11) 5.2 (0.20) 5.26 (10) 5.6 (0.22) 7.9 (0.31)6.63 (9) 6.1 (0.24) 8.37 (8) 6.7 (0.27) 10.6 (7) 7.3 (0.29)
43、 13.3 (6) 7.9 (0.31) 16.8 (5) 8.5 (0.33) 21.2 (4) 9.1 (0.36) 26.7 (3) 10.0 (0.39) STANDARD NUMBER: UL 62 -5-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 44 ContinuedSize ofconductormm2(AWG)Types PXTc,TXc, ETT,ETP, SPT-1,SPE-1u, SPT-1W
44、c,u, SPT-0m, clockcordu, andindividualconduct or ofjacketedcords andcablesType TPTShavercorduIndividualconductorof Type TSTType XTWu,CXTWuTypeCXWTcTypeYXTWuTypesSPT-2,SPT-2Wc,u,SPE-2u,PXWTcTypesSPT-3,SPE-3u33.6 (2) 11.0 (0.44) 42.4 (1) 12 (0.48)53.5 (1/0) 13 (0.53)67.4 (2/0) 15 (0.59)85.0 (3/0) 16.5
45、 (0.65)107.2 (4/0) 18 (0.71)127 253(250 500kcmil)1.5 timesinsulatedconductordiameterTable 46Spark test voltage(See Clause 5.2.1.)Type of cord or cable Conductor size, mm2(AWG)Average insulationthickness, mm (mils)AC spark testpotential, kV*SV, SVO, SVOO, SVEu, SVEOu,SVEOOu, SVT, SVTO, SVTOO0.824, 1.
46、04, 1.31 0.38 (15) 3(18, 17, 16)TST 0.100 (27) 0.38 (15) 3SJ, SJT, SJTO, SJTOO, SJEu,SJEOu, SJEOOu, SJO, SJOO,SJOW, SJOOW, SJTW, SJTOW,SJTOOW, SJEWu, SJEOWu,SJEOOWu, EVJT, EVJEm,u, EVJ0.325 4.17 (22 11) 0.76 (30) 65.26 (10) 1.14 (45) 7.5HSJO, HSJOW, HSJOO, HSJOOW,HPDu, HSJ0.824 3.31 (18 16) 0.76 (30
47、) 61.65 3.31 (15 12) 1.14 (45) 7.5S, SO, SOO, SOW, SOOW, ST,STO, STOO, STW, STOW,STOOW, SEu, SEOu, SEOOu,SEWu, SEOWu, SEOOWu, EV,EVEm,u, EVT0.325 1.65 (22 15) 0.76 (30) or 0.51 (20)with nylon covering62.08 6.63 (14 9) 1.14 (45) or 0.76 (30)with nylon covering7.58.37 33.6 (8 2) 1.52 (60) or 1.14 (45)
48、with nylon covering10EV, EVEm,u, EVT 42.4 107.2 (1 4/0) 2.03 (80) or 1.52 (60)with nylon covering13127 253 (250 500 kcmil) 2.41 (95) or 190 (75)with nylon covering15DRTc, SRDEm,u, SRDTm,u, SRDm,u5.26 21.2 (10 4) 1.14 (45) 7.5STANDARD NUMBER: UL 62 -6-UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULTable 46 ContinuedType of cord or cable Conductor size, mm2(AWG)Average insulationthickness, mm (mils)AC spark testpotential, kV*TPT 0.100 (27) 0.76 (30) 6Shaver cordu0.100 0.516 (27 20) 0.76 (30) 6SPT-0m0.325 (22
