ul1581中文版完整详细

第第59页共206页电线电缆和软线参考标准REFERENCESTANDRDFORELECTRICALWIRESCABLESANDFLEXIBLECORDSUL1581-2001前言A：本标准包含美国保险商实验所（UL）产品的跟踪服务时涉及的产品基本要求，些产品受下列条文的限制，且处于本标准适用范围之内。这些要求是以可信的工程原理，研究成果。试验数据和现场经验以及对制造安装和使用的问题的评估为依据而制定的。这些依据来自向制造商，用户检验机构以及其它具有专业经验的人员咨询或是从他们处获的情报。上述对产品的要求可能由于经验丰富的研究人员深入而必须或是有必要进行修订。B：满足本标准对产品的要求是制造商产品继续获得UL认证的条件之一。C：符合本标准条文的产品如果经检验发现还具有其它有损于本标准的安全水平的性能，则不一定认为符合本标准。D：采用本标准规定不同的材料制成的产品或是具有与本标准规定不同的结构的产品，可按本标准的要求的含义进行检验和测试，如果性能基本相同，则认为该产品符合本标准。E：UL按其宗旨履行职能时，不为制造商或是任何一方担当或开脱责任。UL的意见和调查结果是代表一种充分考虑到ULUL标准或是其它不负任何责任和义务。UL取恰当的人员和设备防护措施。导引1：范围1.1本标准包含橡皮绝缘电线电缆热塑性料绝缘电线电缆软线装置线和用户引入电缆求细则。本标准的条文也被其它标准所引用。2载于相应的成品电缆标准中，本参考标准不包含这些内容。1．3适用的条文。/单位（实用SI制和惯用公制单位）（虽然不是严格等同）的结果。一项采用公制单位的要求应使用以公制单位校准的设备。3：用语说明的成品电线、电缆或软线的标准。导体108000系列铝合金导体的要求80006~4/0AWG12AWG~2000kcmil/压紧绞合导体。ASTMB800-9480002030节。成品导线的回火度应为退火（-）或半退火（-H1）或（-H2。成品绞合导体（作为整体或以从成品导体中取出的单线做试验）和成品实心导体的（见表10.1注ASTMB557-941in/min25mm/min10.1从成品绞合导体中取出的金属线(单线从成品绞合导体中取出的金属线(单线)回火度退火抗张强度所有试样:10in250mmb(-O)11250±27501bf/in2或实心导体：78±19MN/m2或至少10.0%7757±1896N/cm2或绞合导体：7.91±1.93kgf/mm2至少10.0%半退火：18675±44251bf/in2或实心导体：129±.30MN/m2或至少10.0%(-H1x)12876±3050N/cm2或绞合导体：和13±3kgfF/mm2至少10.0%(H2x)所有其它试样:18500±3500bf/in2或实心导体：128±24MN/m2或至少10.0%12755±2413N/cm2或绞合导体：13.01±2.46kgf/mm2至少10.0%aa为了确定是否符合表列的极限值，在采用ASTMB557-94所述的设备和步骤以1in/min或25mm/min的速度对试样做试验后，试验结果应按如下方法四舍五入：1001bf/in21MN/m269N/cm20.07kgf/mm2。ASTME29-93a0.5%。b应采用未绞合前的金属线，从绞合导体中取出的金属线或绞合导体整体做试验以确定绞合导体是否符合伸长率要求。铜包铝导体的要求铜包层应与铝芯在冶金学上结合，应占据实心导体的截面或绞合导体的每根金属线（单线）10%以上，且应同心包覆铝芯。铜包层的厚度不得小于实心导体或金属线（单线）2.56%，采用显微镜观察圆绞合或圆实心导体的经过抛光的正截面进行测定。对于成品铜包铝导体来说，如果作为整体来做试验或采用从成品绞合铜包铝导体上取出的金属线（单线）或成品实心铜包200001bf/in213800N/cm2ASTMB所述的速度并采用该标准规定10in250mm长度来说不得小15%。20导体直径和截面

表20.1导体外形尺寸导体标称值导体标称值a最小值b最大值c最小值d标称值最小值0.98×标称值a 0.97×标称值b规格milmilmilmil mm(0.98×标称) mm(1.01×标称) mm(0.98×标称) mmcmilmm2cmil mm2 cmil mm23010.00.2549.80.24910.10.2579.90.2511000.0507980.04972911.30.28711.10.28211.40.29011.20.2841280.06471250.06332812.60.32012.30.32112.70.32312.50.3181590.08041250.07902714.20.36113.90.35314.30.36314.10.3582020.1021980.1002615.90.40415.60.39616.10.40915.70.3992530.1282480.1262517.90.45517.50.44418.10.46017.70.4503200.1623140.1592420.10.51119.70.50020.30.51619.90.5064040.2053960.2013920.1992322.60.57422.10.56122.80.57922.40.5685110.2595010.2544960.2512225.30.64324.80.63025.60.65025.00.6356400.3246270.3186210.3142128.50.72427.90.70928.80.73228.20.7178120.4127960.4047880.4002032.00.81331.40.79832.30.82031.70.80510200.51910000.5099890.5031935.90.91235.20.89436.30.92235.50.90212900.65312640.64112510.6331840.31.0239.51.0040.71.0339.31.0116200.82315880.80715710.7981745.31.1544.41.1345.81.1644.81.1420501.0420091.0219891.011650.81.2949.81.2651.31.3050.31.2825801.3125281.2825.031.271557.11.4556.01.4257.71.4756.51.4432601.6531951.6231621.601464.11.6362.81.6064.71.6463.51.6141102.0840282.0439872.021372.01.8370.61.7972.71.8571.37.8151802.6350762.5850252.551280.82.0579.22.0181.62.0780.02.0365303.3163993.2463443.211190.72.3088.92.2691.62.3389.92.2882304.1780654.0979834.0410101.92.58899.92.537102.92.614100.92.563103805.261101725.16100695.1039114.42.906112.12.847115.52.934113.32.878130906.631128286.508128.53.264125.93.198129.83.297127.23.231165108.367161808.207144.33.665141.43.529145.73.701142.93.6302082010.552040410.346162.04.115158.84.034163.64.155160.44.0742624013.302571513.035181.94.620178.34.529183.74.666180.14.5753309016.773242816.434204.35.189220.25.085206.35.240202.35.1384174021.154090520.733229.45.827224.85.710231.75.885227.15.7685262026.675156826.14

导体截面,2257.66.543252.46.411260.26.6096636033.626503332.951289.37.348238.57.201292.27.422286.47.2758369042.418201641.561/0324.98.252318.48.087328.18.334321.784910348852.422/0364.89.266357.59.080368.49.537361.294313043866.083/0409.610.40401.410.20413.710.51405.510.316780085.0116444483.314/046.011.68450.811.45464.611.80455.411.57211600107.2207368105.1250kcmil 250127245124.1300 300152294149.0350 350177343173.8400 400203392198.6450 450228441223.5500 500253490248.3550 550279539273.1600 600304588297.9650 650329637322.8700 700355686347.6750 750380735372.4800 800405784397.2900 900456882446.91000 1000507980496.61100 11005571078546.21200 12006081176595.91250 12506331225620.71300 13006591274645.51400 14007091372695.21500 15007601470744.91600 16008111568794.51700 17008611666844.21750 17508871715869.01800 18009121764893.81900 19009631862943.52000 200010131960993.129-20AWG单线组成的软线和装置线.除非本标准另有规定,绞合电线电缆(无论阐单线规格如何)36-30AWG单线组成的软线和装置线C)这两栏的数值适用于电缆准(主要是电力电缆)规定导体最大和最小直径的场合d)该栏目数值适用于电缆标准仅规定导体最小直径的场合.导体 标称值a规格

mil

表20.2圆形紧压绞合导体直径圆形紧压绞合导体直径最小值bmil

最大值c12AWG11109876543211/02/03/04/0250kcmil3003504004505005506006507007508009001000

mil0.0850.0950.1070.1200.1340.1520.1690.1910.2130.2380.2680.2990.3360.3760.4230.4750.5200.5700.6160.6590.7000.7360.7750.8130.8450.8770.9080.9380.9991.060

mm2.162.412.723.053.403.864.294.855.416.026.817.598.539.5510.7412.0713.2114.4815.6516.7417.7818.6919.6920.6521.4622.2823.0623.8325.3726.92

(0.98×标称)0.0830.0930.1050.1880.1310.1490.1660.1870.2090.2330.2630.2930.3290.3680.4150.4660.5100.5590.6040.6460.6860.7210.7600.7970.8280.8590.8900.9190.9791.039

mm2.112.362.673.003.233.784.224.755.315.926.687.448.369.3510.5411.8412.9514.2015.3416.4117.4218.3119.3020.2421.0321.8222.6123.3424.8726.39

(1.01×标称0.0860.0960.1080.1210.1350.1540.1710.1930.2152.400.2710.3020.3390.3800.4150.4800.5250.5760.6220.6660.7070.7430.7830.8210.8530.8860.9170.9471.0091.071

mm2.182.442.743.073.433.914.344.905.466.106.887.678.619.6510.5412.1913.3414.6315.8016.9217.9618.8719.8920.8521.6722.5023.2924.0525.6327.20a)这两栏的数值适用于电缆标准(主要是电力电缆)规定导体最大和最小直径的场合.表20.3圆形压缩同心绞ASTMB.C和D类铝导体,无镀层铜导体和镀层导体直径导体 标称值a规格

mil

圆形紧压绞合导体直径最小值bmil

最大值c(0.98×milmm标称milmm标称)mm14AWG0.0711.800.0701.790.0721.83130.0802.030.0781.980.0812.06120.0892.030.0781.980.0812.06110.1002.540.0982.490.1012.57100.1132.870.1112.820.1142.9090.1263.200.1233.120.1273.2380.1423.610.1393.530.1433.6370.1594.050.1563.960.1614.0960.1784.520.1744.420.1804.5750.2005.080.1964.980.2025.1340.2255.720.2215.310.2275.7730.2526.400.2476.270.2556.4820.2837.190.2777.040.2867.2610.3228.180.3168.030.3258.261/00.3629.190.3559.020.3669.302/00.40510.30.39710.080.40910.393/00.45611.60.44711.350.46111.714/00.51213.00.50212.750.51713.13250kcmil0.55814.20.54713.890.56414.333000.61115.50.59915.210.61715.673500.66116.80.64816.460.66819.974000.70617.90.69217.580.71318.114500.74919.00.73418.640.75619.205000.78920.00.77319.630.79720.245500.82921.10.81220.620.83721.266000.86622.00.84921.560.87522.236500.90122.90.88322.430.91023.117000.93523.70.91623.270.94423.987500.96824.60.94924.100.97824.848001.00025.40.98024.891.01025.65

(1.01×mm9001.06026.91.03926.391.07127.2010001.11728.41.09527.811.12828.6511001.17329.81.15029.211.18530.1012001.22531.11.20030.481.23731.4212501.25031.81.22531.121.26232.0513001.27532.41.25031.751.28832.7214001.32333.61.29732.941.33633.9315001.37034.81.34334.111.38435.1516001.41535.91.38735.231.42936.3017001.45937.11.43036.321.47437.4417501.48037.61.45036.831.49537.9718001.50238.21.47237.391.51738.5319001.54239.21.51138.381.55739.5520001.58340.51.55139.401.59940.6112AWG-2000kcmil12AWG-2000kcmil1413AWG的规格3%以上C)这两栏的数值适用于电缆标准(主要是电力电缆)规定导体最大和最小直径的场合.圆形紧压绞合导体直径导体ab圆形紧压绞合导体直径导体abc规格mil(0.98×标称)mil(1.01×mmmilmm标称)mm1AWG0.3137.950.3077.800.3168.031/00.3528.940.3458.760.3569.042/00.39510.030.3879.830.39910.133/00.44311.250.43411.020.44711.354/00.49812.650.48812.400.50312.78250kcmil0.54213.770.53113.490.54713.893000.59415.090.58214.780.60015.243500.64116.280.62815.950.64716.434000.68517.400.67117.040.69217.584500.72718.470.71218.080.73418.645000.76619.460.75119.080.74419.665500.80420..420.78820.020.81220.666000.84021.340.82320.900.84821.546500.87422.200.85721.770.88322.437000.90723.040.88922.580.91623.277500.93923.850.92023.370.94824.088000.96924.610.95024.130.97924.879001.02826.111.00725.581.03826.3710001.08427.531.06226.971.09527.8111001.13728.881.11428.301.14829.1612001.18730.151.16329.541.19930.4512501.21230.781.18830.181.22431.0913001.23631.391.21130.761.24831.7014001.28232.561.25631.901.29532.8915001.32733.711.30033.021.34034.0416001.37134.821.34434.141.38535.1817001.41335.891.38535.181.42736.2517501.43436.421.40535.691.44836.7818001.45436.931.42536.201.46937.3119001.49437.951.46437.191.50938.3320001.53338.941.50238.151.54839.32这两栏的数值适用于电缆标准(主要是电力电缆这两栏的数值适用于电缆标准(主要是电力电缆)规定导体最大和最小直径的场合.否则,3%以上圆形紧压绞合导体直径导体圆形紧压绞合导体直径导体abc规格mil(0.98×标称)mil(1.01×mmmilmm标称)mm30AWG0.01130.2870.01110.2820.01140.290290.01280.3250.01250.3180.01290.328280.01430.3630.01400.3560.01440.356270.01610.4090.01580.4010.01630.414260.01800.4570.01760.4470.01820.462250.02030.5160.01990.5050.02050.521240.02280.5790.02230.5660.02590.658230.02560.6500.02510.6380.02590.658220.02870.7290.02810.7140.02900.737210.03230.8200.03170.8050.03260.828200.03620.9190.03550.9020.03660.930190.04071.030.03991.0130.04111.044180.04561.160.04771.1350.04611.171170.05131.300.05021.2750.05181.315160.05761.460.05641.4330.05821.478150.06471.640.06351.6130.06531.659140.07271.850.07121.810.07341.86130.08162.070.08002.030.08242.09120.09152.320.08972.280.09242.35110.1032.620.1012.570.1042.64100.1162.950.1142.900.1172.9790.1303.300.1273.230.1313.3380.1463.710.1433.630.1473.7370.1644.170.1614.090.1664.2260.1844.670.1804.570.1864.7250.2065.230.2015.110.2085.2840.2325.890.2275.770.2345.9430.2606.600.2556.480.2636.6820.2927.420.2867.260.2957.4910.3328.43.0.3258.260.3358.511/00.3729.450.3659.270.3769.552/00.41810.620.41010.410.42210.723/00.47011.940.46111.710.47512.074/00.52813.410.51713.130.53313.54250kcmil0.57514.610.56414.330.58114.763000.63016.000.61715.670.63616.153500.68118.300.66716.940.68817.484000.72818.490.71318.110.73518.674500.77219.610.75719.230.78019.815000.81320.650.79720.240.82120.855500.85521.720.83821.290.86421.956000.89322.680.87522.230.90222.916500.92923.600.9102.860.93823.837000.96424.490.94524.000.97424.747500.99825.350.97824.841.00825.608001.03026.161.00925.631.04026.429001.09427.7910.7227.231.10528.0710001.15229.261.12928.681.16429.5711001.20930.711.18530.101.22131.0112001.26332.081.23831.451.27632.4112501.28932.741.26332.081.30233.0713001.31433.381.28832.721.32733.7114001.36534.671.33833.991.37935.0315001.41235.861.34835.151.42636.2216001.45937.061.43036.321.47437.4417001.50438.201.47437.441.51938.5817501.52638.761.49537.971.54139.1418001.54839.321.51738.531.56339.7019001.59040.391.55839.571.606407920001.63241.451.59940.611.64841.86a)这两栏的数值适用于电缆标准(a)这两栏的数值适用于电缆标准(主要是电力电缆)规定导体最大和最小直径的场合.圆形紧压绞合导体直径导体圆形紧压绞合导体直径导体abc规格mil(0.98×标称)mil(1.01×mmmilmm标称)mm30AWG0.01550.2920.01130.3380.01160.295290.01300.3300.01270.3230.01310.333280.01450.3680.01420.3610.001460.371270.01630.4140.01600.4060.01650.419260.01820.4650.01780.4520.01840.467250.02050.5210.02010.5110.02070.526240.02300.5840.02250.5720.023210.589230.02590.6580.02540.6450.02620.665220.02900.7370.02840.7210.02930.744210.03270.8300.03200.8130.3300.838200.03650.9270.03580.9090.03690.937190.04121.0460.04041.0260.04161.057180.04601.1680.04511.2930.05241.181170.05191.3180.05091.2930.05241331160.05851.4860.05731.4550.05911.681150.06551.6640.06421.6310.06621.681140.07351.8670.07201.8290.07431.887130.08252.9060.08502.1590.08332.166121211-20000.09252.3500.09072.3040.09342.37220.4的规定a)这两栏的数值适用于电缆标准(主要是电力电缆)规定导体最大和最小直径的场合.表20.5AWGAWG规格直径milmmcmil截面积mm2403.10.0799.610.00487393.50.08912.20.00621384.00.10216.00.00811374.50.14420.20.0103365.00.12725.00.0127355.60.14231.40.0159346.30.16039.70.0201337.10.18050.40.0255328.00.20364.00.0324318.90.22679.20.04013010.00.2541000.05072911.30.2871280.06472812.60.3201590.08042714.20.3612020.1022615.90.4042530.1282517.90.4553200.1622420.10.5114040.2052322.60.5745110.2592225.30.6436400.3242128.50.7248120.4122032.00.81310200.519表20.619根混合圆线同节距绞合铝或铜导体的单线和导体标称尺寸铜导单线标称尺寸导体直径体的AWG规格A直径粗单线B截面细单线C直径D截面E=3A+2C标准值F-0.98xE最小值G=1.01xE最大值inmminmm in mminmm in mminmminmm140.01590.42530.128 0.01170.31370.069 0.071 1.800.701.780.721.83120.02010.54040.2050.01470.42160.1090.0902.290.882.240.0912.31100.02530.66400.3240.01850.53420.1730.1132.871.112.870.1142.9090.02840.78070.4080.02080.54330.2190.1273.230.1273.140.1283.2580.03190.810180.5150.02340.65480.2770.1433.631.403.560.1443.6670.03580.912820.6490.02620.676860.3470.1604.060.1573.990.1624.1160.04021.016160.8180.02940.78640.4370.1794.550.1754.450.1814.6050.04521.120431.0340.03310.810960.5550.2025.130.1985.030.2045.1840.05071.325701.3010.03710.913760.6960.2265.740.2215.610.2285.7930.05701.432491.6640.04171.117390.8800.2546.450.2496.320.2576.5320.06401.640962.0730.04681.221901.1080.2867.260.2807.110.2897.3410.07181.851552.6090.05261.327671.4000.3218.150.3168.030.3248.231/00.08072.165123.2960.05911.534931.7680.3609.140.3538.970.3649.252/00.09062.382084.1540.06631.743962.2250.40410.260.39610.060.40810.363/00.10172.6103435.2340.07451.955502.8090.45411.530.44511.300.45911.664/00.11422.9130426.6000.08362.169893.5370.51012.950.50012.700.51513.08a)这两栏数值适用于电缆标准(a)这两栏数值适用于电缆标准(主要是电力电缆)规定导体最大和最小的场合.表30.1实心铝，铜包铝和无镀层导体的最大直流电阻导体AWG规格20℃铝和铜包铝无镀层铜25℃铝和铜包铝无镀层铜Ω ΩΩΩΩ ΩΩΩ/1000ft /1000ft/1000ft/1000ft/1000ft /1000ft/1000ft/1000ft30 106347 10835429 82.8271 84.527728109 35866.6218111 36467.92232785.9 28252.417287.6 28753.41752668.6 22541.813870.0 23042.61402554.1 17833.010855.3 18133.71102443.0 14126.285.943.8 14426.787.62333.9 11120.767.934.6 11421.169.32227.1 88.916.554.627.6 90.616.855.32121.570.513.142.721.871.513.343.62016.955.410.333.917.256.610.534.61913.544.28.2126.913.745.08.3727.41810.735.16.5221.410.935.76.6421.8178.4527.75.1516.98.6128.25.2517.2166.7222.04.1013.56.8522.54.1813.7155.3117.43.2410.65.4117.83.3010.8142.578.452.628.61132.046.692.086.82122.658.711.625.312.718.891.655.42112.116.921.294.222.157.061.324.30101.6705.4791.0193.3431.7035.5901.0383.40891.3254.3480.80842.6521.3524.4350.82422.70481.0513.4460.64072.1021.0713.5150.65322.41370.83282.7330.50811.6670.84972.7880.51811.69960.66092.1680.40311.3230.67412.2110.41101.34850.52421.7200.31971.0490.53611.7540.32601.07040.41551.3630.25350.83150.42391.3900.25850.847830.32961.0810.20100.65950.33621.1030.20500.672520.26130.85740.15940.52310.26660.87470.16260.533310.20730.67980.12640.41460.21130.69350.12890.42281/00.16430.53900.10020.32870.16760.54990.10220.33532/00.13040.42750.079490.26080.13290.43620.081050.26593/00.10330.33920.063060.20690.10550.34600.064290.21094/00.081960.26890.049990.16400.083610.27430.50980.1673.表30.220℃20℃25℃导体AWG规格Ω/1000ftΩ/1000ftΩ/1000ftΩ/1000ft301103611123682986.128287.82892869.322770.62322754.517955.61822643.514344.31452534.411235.01152427.389.327.891.12321.570.622.072.02217.256.417.557.52113.644.413.845.32010.735.210.936.0198.5428.08.7028.6186.7722.26.9122.7175.3717.65.4717.9164.2614.04.3514.2153.3811.13.4411.2142.688.782.728.96132.126.972.167.10121.685.531.715.64111.344.391.374.48101.0603.4761.0803.54590.83192.7300.84832.74880.65942.1630.67242.20670.52291.7160.53321.74960.41481.3610.42301.38850.32911.0790.33561.10140.26080.85590.26600.872730.20690.67880.21090.692220.16410.53840.16730.548910.13000.42680.13260.43521/00.10260.33670.10470.34332/00.081400.26700.083000.27233/00.064570.21190.065830.21604/00.051190.16800.052190.1713表30.3铝，铜包铝，紧压绞合铝导体和无镀层铜导体的最大直流电阻同心绞ASTMB。C和D类紧压绞合和压缩绞合导体AWG规格20℃铝和铜包铝无镀层铜25℃铝和铜包铝无镀层铜Ω ΩΩΩΩ ΩΩΩ/1000ft /1000ft/1000ft/1000ft/1000ft /1000ft/1000ft/1000ft30 108354 11036129 84.3277 86.02822811136467.922311337169.22272787.628753.417589.429354.51792670.023042.714071.323443.51432555.318133.711156.418534.411324463.814426.787.644.614627.289.22334.611421.169.235.311621.570.52227.790.916.955.428.292.517.256.42121.871.513.343.622.172.513.544.32017.457.110.634.617.758.110.835.31913.744.98.3627.414.045.98.5328.01810.935.86.6621.811.136.46.792.22178.6828.55.2717.38.8629.15.3717.6166.8722.54.1813.77.0023.04.2614.0155.4117.83.3110.95.5318.13.3711.1142.6+28.622.688.78132.086.822.126.97122.718.881.655.432.769.071.685.53112.157.071.324.302.197.201.344.391014.705.5891.0393.4091.7385.7021.0603.47691.354.4340.82452.7051.3794.5240.84072.75881.073.5150.65352.1441.0923.5850.66632.18670.84952.7870.51821.7000.86662.8440.52841.73460.67402.2110.41121.3480.68762.2560.41921.37550.53461.7540.32611.0700.54541.7890.33251.09140.42381.3900.25850.84810.43241.4190.26360.864930.33611.1030.20500.67270.34191.1250.20910.686020.26650.87450.16260.53350.27190.89220.16590.544010.21130.69340.12890.42300.21560.70740.13150.43131/00.16760.54980.10220.33540.17100.56090.10420.34192/00.13290.43610.081080.26600.13560.44500.082670.27123/00.10550.34590.064310.21100.10750.35290.065580.21514/00.83600.27430.050990.16730.085280.27980.052000.1705250kmil0.070760.23220.043160.14160.072190.23680.044010.14443000.058970.19350.035970.11800.060150.19740.036670.12043500.050540.16590.030820.10110.051560.16910.031440.10314000.044230.14500.026980.088510.045110.14800.027510.090244500.039310.12890.023980.078670.040100.13160.024450.080215000.035370.11610.021580.070800.036090.11840.022000.072205500.032160.10550.019610.064360.032810.10760.020000.065636000.029480.096730.017980.059000.030080.098670.018340.060167000.025270.082910.015410.050570.025780.084580.015720.051577500.023580.077380.014380.047210.024060.078940.014670.048128000.022110.072540.013480.044250.022550.074000.013750.045129000.019660.064480.011990.039330.020050.065780.012220.0401110000.017690.058040.010790.035400.018040.059200.011010.0361011000.016090.052750.0098090.032180.016400.053830.010000.0328112000.014740.048360.0089920.029500.015030.049340.0091690.0300812500.014150.046430.0086320.028330.014430.047360.0088020.0288813000.013570.044650.0082300.027230.013880.045540.0084630.0277614000.012640.041450.0077070.025290.012890.042290.0078590.0257915000.011790.038690.0071930.023600.012030.039470.0073350.0240616000.011060.036270.0067440.022120.011280.037010.0068770.0225617000.010400.034140.0063470.020830.010620.034820.0064720.0212418000.0098270.033160.0061660.020230.010310.033830.0062870.0206219000.0093100.030550.0056790.018640.0094970.031160.0057910.0190020000.0088440.02902 0.005395 0.017700.009023 0.02960 0.005501 0.01804表30.420℃25℃铜导体，同心绞ASTMB类的导体（各单线镀锡或是锡合金）ASTM20℃25℃导体AWG规格30Ω/1000ft116Ω/1000ft381Ω/1000ft118Ω/1000ft3872990.529792.33032872.823974.32442757.318858.51922645.815046.71532536.219936.91212428.794.229.295.82322.774.523.175.82218.159.418.560.72114.346.914.547.62011.236.711.437.4198.8829.19.0629.7187.0623.27.1923.6175.5918.35.7018.7164.4514.64.5314.9153.4411.33.5111.5142.738.962.789.14132.16.7.102.207.24121.725.641.755.75111.374.481.394.56101.0803.5461.1023.61590.85742.8130.87422.86880.67952.2300.69292.27470.53891.7680.54951.80260.42761.4030.43591.43050.33921.1130.34581.13440.26890.88200.27420.899330.21320.69960.21750.713320.16910.55480.17240.565710.13400.43980.13670.44851/00.10630.34870.10840.35562/00.084320.27660.085980.28203/00.066880.21940.068200.22384/00.052480.17220.053520.1755250kmil0.044880.14730.045770.15013000.037400.12270.038140.12523500.032060.10520.032700.10724000.027760.091090.028310.092884500.024670.080970.025160.082565000.022220.072870.022640.074315500.020400.066930.020800.068256000.018710.061350.019070.062576500.017090.056060.017420.057157000.015860.052050.016180.053077500.014810.048580.015100.049538000.013880.045540.014160.046449000.012340.040480.012590.0412810000.011110.036430.011320.0371511000.010100.036430.011320.0371512000.0092540.030370.0094360.0309612500.0088840.029150.0090590.0297213000.0085430.028030.0087110.0285814000.0079330.026020.0080890.0265415000.0074030.026020.0080890.0265416000.0074030.024290.0075490.0247717000.0069410.022780.0070780.0232217500.0065330.021430.0066610.0218618000.0061710.020240.0062910.0206319000.0058450.019180.0059600.0195520000.0055520.018220.0056620.01857表30.5铜导体，同心绞ASTMC类和D类的导体（各单线镀锡或是锡合金）和压缩绞合ASTMB类的导体（各单线有镀层）的最大直流电阻导体AWG铝和铜包铝C类20℃无镀层铜铝和铜包铝D类25℃无镀层铜规格ΩΩΩΩΩΩΩΩ/1000ft/1000ft/1000ft/1000ft/1000ft/1000ft/1000ft/1000ft301163811183871163811183872990.529792.330390.529792.33032872.823974.324472.823974.32442757.318858.519257.318858.51922645.815046.715345.815046.71532536.211936.912136.211936.91212428.794.229.295.828.794.229.295.82322.774.523.175.822.774.523.175.82218.159.418.560.718.159.418.560.72114.346.914.547.614.346.914.547.62011.437.411.638.111.437.411.638.1198.9829.59.1630.18.9829.59.1630.1187.1523.57.2923.97.1523.57.2923.9175.6518.55.7618.95.6518.55.7618.9164.4414.64.5314.94.4914.74.5815.0153.5211.53.5811.73.5511.63.6211.9142.789.152.859.322.829.252.899.42132.217.262.257.412.217.262.257.41121.755.751.785.881.755.751.785.88111.374.481.394.561.404.571.424.66101.083.551.103.621.103.621.123.6990.8572.820.8742.870.8752.880.8922.9380.6792.230.6922.270.6792.230.6932.2770.5391.760.5501.810.5391.760.5501.8160.4271.410.4361.430.4271.410.4361.4350.3391.110.3461.130.3391.110.3461.1340.2690.8820.2740.9000.2690.8820.2740.90030.2130.7000.2170.7130.2130.7000.2170.71320.1690.5550.1720.5660.1690.5550.1720.56610.1340.4400.1370.4490.1340.4400.1370.4491/00.1060.3490.1080.3550.1060.3490.1090.3552/00.08440.2760.08600.2820.08440.2760.08600.2823/00.06690.2190.06810.2230.06690.2190.06810.2234/00.05300.1740.05410.1770.05300.01740.05410.177250kmil0.04490.1470.04580.1500.04490.1470.04580.1503000.03740.1220.03810.1250.03740.1220.03810.1253500.03200.1050.03260.1070.03200.1050.03260.1074000.02800.09200.02860.09380.02800.09200.02860.09384500.02490.08180.02540.08340.02490.08180.02540.08345000.02240.07360.02280.07510.02240.07360.02280.07515500.02040.06690.02080.06820.02040.06690.02080.06826000.01870.06140.01910.06250.01870.06140.01910.06257000.01600.05260.01630.05370.01600.05260.01630.05377500.01500.04910.01530.05010.01500.04910.01530.05018000.01410.04600.01430.04690.01410.04600.01430.04699000.01240.04090.01280.04170.01240.04090.01280.041710000.01110.03640.01130.03710.01120.03680.01140.037511000.01020.03350.01040.03420.01020.03350.01040.034212000.009350.03070.009540.03130.009350.03070.009540.031312500.008980.02950.009150.03000.008980.02950.009150.030013000.008630.02840.008800.05890.008630.02840.008800.028914000.007940.02600.008090.02650.008020.02630.008170.026815000.007410.02430.007550.02480.007480.02460.007630.025016000.007020.02310.007150.02350.007020.02310.007150.023517000.006600.02160.006730.02200.006600.02160.006730.022017500.006420.02100.006540.02140.006420.02100.006540.021418000.006170.02020.006290.02060.006230.02050.006350.020819000.005840.01920.005960.01960.005910.01940.006020.019820000.005550.01830.00566 0.01860.00561 0.01840.00572 0.0188表30.619根混合圆线同节距绞合铜导体最大直流电阻单线镀层导体AWG规格Ω/1000ftΩ/1000ft单线镀层导体AWG规格Ω/1000ftΩ/1000ftΩ/1000ft142.799.152.859.32132.217.262.257.41121.755.751.785.88111.374.81.394.56101.083.551.103.6290.8572.820.8742.8780.6792.230.6922.2770.5391.760.5501.8160.4271.410.4361.43各单线50.3391.110.3461.13有镀层40.2690.8820.2740.90030.2130.7000.2170.71320.1690.5550.1720.56610.13400.43980.13670.44851/00.10630.34870.10840.35562/00.084320.27660.085980.28203/00.066880.21940.068200.22384/00.052480.17220.053520.1755142.628.622.688.78132.086.822.126.97121.655.431.685.53111.324.301.344.39101.0393.4091.0603.47690.82542.7050.84072.75880.65352.1440.66632.18670.52581.7000.52841.734各单线60.41221.3480.41921.375无镀层50.32611.0700.32251.09140.25850.84810.26360.864930.20500.67270.20910.686020.16260.53350.16590.544010.12890.42300.13150.43131/00.10220.33540.10420.34192/00.081080.26600.082670.27123/00.064310.21100.065580.21514/00.050990.16730.052000.1705表30.6A20℃2520℃25℃导体AWG规格Ω/1000ftΩ/1000ftΩ/1000ftΩ/1000ft60.67162.2040.68522.24850.53261.7480.54361.78440.42241.3860.43091.41430.33511.1000.34181.12120.26560.87140.27100.889210.21070.69130.21490.70511/00.16710.54380.17050.55942/00.13250.43470.13510.44333/00.10510.34480.10720.35174/00.083320.27340.085010.2789表30.72/00.0826 2/00.0826 0.271 0.0843 0.276 0.0860 0.282 0.0876 0.288 0.136 0.445 0.1390.454无镀层铜镀层铜（每单根线镀锡-铅合金）铝导体20℃ 25℃ 20℃ 25℃20℃25℃规格 ΩΩΩΩΩΩΩΩΩΩΩΩ1000ftkm1000ftkm1000ftkm1000ftkm1000ftkm1000ftkm14AWG2.658.702.708.862.829.242.879.41////132.106.902.147.032.237.332.287.47////121.675.481.705.581.775.811.815.93////111.324.351.354.421.404.601.434.70////101.053.451.073.511.113.661.133.73////90.8322.730.8492.780.8842.900.9022.96////80.6602.160.6732.200.7012.300.7152.35////70.5231.710.5331.750.5451.790.5551.820.8582.820.8752.8860.4151.370.4231.390.4311.420.4411.450.6802.230.6952.2750.3291.080.3361.100.3431.120.3491.140.5401.770.5511.8140.2610.8570.2660.8730.2710.8900.2760.9080.4281.410.4371.4330.2070.6790.2110.6930.2150.7070.2190.7200.3401.110.3471.1320.1640.5390.1670.5500.1700.5600.1740.5710.2690.8830.2740.90110.1320.4310.1340.4400.1370.4490.1400.4570.2150.7070.2200.7211/00.1040.3420.1060.3490.1080.3550.1100.3620.1700.5600.1740.5710.13930.40.06560.2150.06680.2190.06810.2230.06960.2280.1070.3530.1090.3604/00.05200.1700.05300.1740.05410.1770.05520.1810.08530.2790.08690.286250kmil0.04430.1450.04510.1480.04600.1510.04690.1540.07250.2380.07400.2433000.03680.1210.03750.1230.03840.1250.03910.1290.06040.1980.06160.2023500.03160.1040.03220.1060.03280.1080.03350.1100.05180.1700.05280.1734000.02760.09170.02820.09240.02880.09420.02930.09620.04530.1490.04620.1524500.02460.08060.02510.08220.02550.08380.02600.08550.04030.1320.04110.1355000.02210.07250.02250.07040.02300.07550.02350.07690.03620.1190.03700.1215500.02020.06630.02060.06750.02100.06900.02140.07030.03320.1080.03380.1116000.01860.06070.01890.06190.01930.06310.01960.06440.03040.09960.03100.1027000.01710.05610.01740.05710.01770.05830.01820.05950.02800.09190.02860.09377500.01480.04860.01510.04960.01540.05050.01570.05150.02430.07970.02480.08138000.01390.04560.01420.04640.01450.04730.01470.04830.02270.07470.02330.07629000.01230.04050.01250.04130.01290.04210.01310.04290.02020.06640.02060.067710000.01110.03640.01130.03710.01150.03790.01170.03870.01830.05980.01860.061011000.01010.03320.01030.03380.01050.03450.01070.03510.01650.05430.01690.055412000.009260.03040.009440.03100.009630.03160.009810.03220.01520.04980.01550.050812500.008880.02920.009060.02970.009240.03030.009420.03090.01460.04780.01490.048813000.008550.02800.008710.02860.008880.02920.009060.02970.01400.04600.01430.046914000.007940.02600.008090.02650.008250.02700.008420.02760.01310.04260.01330.043615000.007410.02430.007550.02480.007700.02530.007850.02580.01210.03980.01230.040616000.007010.02300.007150.02350.007290.02390.007440.02440.01150.03770.01170.038517000.006600.02160.006720.02200.006860.02250.0070000.02300.01080.03550.01100.036217500.006410.02100.006540.02140.006660.02180.006790.02230.01050.03450.01070.035218000.006230.02040.006350.02080.006480.02120.006610.02160.01020.03350.01040.034219000.005910.01940.006020.01980.0061410.02010.006260.02050.009680.03170.009870.032320000.005610.01840.005720.01880.005830.01920.005950.01950.009190.03020.009370.0308表30.8ASTMH类绞合导体的最大直流电阻无镀层铜镀层铜（每单根线镀锡-铅合金）铝导体20℃25℃20℃ 25℃20℃25℃规格ΩΩΩΩΩΩΩΩΩΩΩΩ1000ftkm1000ftkm1000ftkm1000ftkm1000ftkm1000ftkm8AWG0.662.180.6792.230.7082.330.7222.3770.5281.730.5391.760.5611.850.5721.8860.4191.380.4271.410.4461.460.4541.4950.3331.090.3391.110.3531.160.3601.1840.2630.8650.2680.8810.2790.9180.2860.93630.2090.6860.2130.7000.2220.7280.2260.74320.1660.5440.1690.5550.1720.5660.1750.5760.2710.8910.2770.91020.1660.5470.1700.5570.1760.5800.1810.59210.1330.4340.1350.4420.1410.4600.1430.4691/00.1050.3440.1