?????????

UL758 ??????
????(AWG)??????????????????Mils (mm)????Mils (mm)????Cmils (mm2)????Cmils (mm2)500.990.02510.980.0250.9800.0004970.9600.000486491.110.02821.100.0281.230.00062412.10.000613481.240.03151.230.0311.540.0007681.510.000765471.400.03561.390.0351.960.0009931.920.000973461.570.03991.550.0292.460.001252.410.00122451.760.04471.740.0443.100.001573.040.00154442.00.0511.980.0504.000.002033.920.00198432.20.0562.180.0554.840.002454.740.00240422.50.0642.480.0636.250.003176.130.003115412.80.0712.770.0707.840.003977.680.00389403.10.0793.070.0789.610.004879.420.00477393.50.0893.470.08812.20.0062111.90.00603384.00.1023.960.10116.00.0081115.70.00796374.50.1144.460.11320.20.010319.80.0100365.00.1274.950.12625.00.012724.50.0124355.60.1425.540.14131.40.015930.80.0156346.30.1606.240.15839.70.02038.90.0197337.10.1807.030.17950.40.025549.40.0250328.00.2037.920.20164.00.032462.70.0318318.90.2268.810.24479.20.040177.60.03933010.00.2549.90.2511000.0507980.04972911.30.28711.20.2841280.06471250.06332812.60.32012.50.3181590.08041560.07902714.20.36114.10.3582020.1021980.1002615.90.40415.70.3992530.1282480.1262517.90.45517.70.4503200.1623140.1592420.10.51119.90.5064040.2053960.2012322.60.57422.40.5685110.2595010.2542225.30.64325.00.6376400.3246270.3182128.50.72428.20.7178120.4127960.4042032.00.81331.70.80510200.51910000.5091935.90.91235.60.90412900.65312640.6411840.31.0240.01.01616200.82315880.8071745.31.1544.91.14020501.0420091.021650.81.2950.31.27825801.3125281.281557.11.4556.51.43532601.6531951.621464.11.6363.51.61341102.0840282.041372.01.83711.8151802.6350762.581280.82.05802.0365303.3163993.241190.72.30902.2882304.1780654.0910101.92.5881012.56103805.261101725.169114.42.9061132.88130906.631128286.508128.53.2641273.23165108.367161808.207144.33.6651433.632082010.552040410.346162.04.1151604.072624013.302571513.03
???????????
1.????
????????????????????????,??dhl???????????????????????,??????????????????????UL 758???????mil(??)? cmil(???)???????????????????????????mil(??)?????,???cmil(???)??????
1inch = 25.4mm = 1000 mil?1mm = 39.37mil?1inch2 = 106 cmil?1mm2 = 39.372 cmil = 1550 cmil2.??????
UL758??????????????????????????????
??? A ????????cmil?mm2?d?????????????????mil?mm?n???????????d????????????
A = 0.7854*nd2? ??????????????????????????????????????????????!
????????7/36AWG = 7/0.127mm (36AWG Solid = 0.127 mm)????
?????
??n = 7, d = 0.127*39.37mil, ?
A = 0.7854*n*d2 = 7*(0.127*39.37)2 = 174.9993cmil
???UL758????????????28AWG????
3.?????
????????UL758??????????????????????????????????????
????????????????? (AWG)?? (Inches)?? (mm)28?????0.512.7260.615.2240.717.5220.820.3201.2531.8182.050.8162.050.8142.050.8122.050.8102.563.583.076.263.588.944.0101.6
2. ???????????
? ????????????????PVC??60?VCTF厖?1.??????????????????????????????????????????厖???????
???????????????????????????????????
2.SR-PVC(???)?????????
3.???????????????????????X-ray??????
??PVC75??80??90??105?
UL1007UL1015UL10453SVT?SR?PVC80??90??105?UL1061???PVC105?,125?UL1429?1430厖?PE75??80??????????PE???????PE??????PE?????????(?????厖?)???????????????????????????????????????????(?????)????????????????????????????
??PE90?/??PE80?UL1354???????PTFE260?RG???????(-70~+260?)????????(?PE?)???????????????????????????????????????????????????????????
PFA260?FEP200?UL1330?1332RG316?ETFE150?UL1829?1828厖?PVDF150?/PP????PP?80?UL1589 UL2960???????????PP?????????
Thermopl-astic Elastomer
??????Polyester?????60?UL1982
UL10104 UL10190
??????????????????????????????????(?)????????????????????
Polyolefines????//??0.9????????????????????????????????????????
?????NR????????60?/?????????????????????????????
Silicone??//???????????????????????????????
? ?????????????????????1015???
??????(Sheath)
1.????????厖???????????????UL??
2.??????
? ??????????? ???PVC??PVC??(60?)???????????????????????????????????????
??PVC??PVC??75??80??90??105?UL1007?2464?1015?Polyethylene (PE)PE??(75??80?)UL20855(FR-PE)???????PE????????????????????
Polyamide????UL THHN?????????
TPU????????UL20197 UL20279
??????????????
????(NR) (??1) ??????(60?)/????????????????????????????????
Hy palon(CSM)(??2)Hy palon??(80?)/????????????????(?)??????????????????????????????
?????? (CR)(??3)Chloroprene??(60?)???????????????????????????????????
??(Silicongum)Silicon??(180?)?????????????????????????????????????????
?????????(200?)?RG316?RG178?????????????????????????????????
PS?ABS???PVC???????PVC?????????????????????????????
LSNH??????????????????UL20855?????????????????????????????????????????????????????????????????????
? ?(1)NR?natural rubber ????
(2)CSM?chlorosulphonated polyethylene ???????????
(3)CR?polychloroprene rubber ???????
???????TPR?TPE厖?

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