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Home > Knowledge of American Wire Gauge
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American Wire Gauge Table and AWG Electrical Current Load Limits
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AWG gauge
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Diameter Inches
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Diameter mm
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Ohms per 1000 ft
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Maximum amps for chassis wiring
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1
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0.2893
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7.34822
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0.1239
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211
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2
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0.2576
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6.54304
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0.1563
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181
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3
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0.2294
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5.82676
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0.197
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158
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4
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0.2043
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5.18922
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0.2485
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135
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5
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0.1819
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4.62026
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0.3133
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118
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6
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0.162
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4.1148
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0.3951
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101
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7
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0.1443
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3.66522
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0.4982
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89
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8
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0.1285
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3.2639
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0.6282
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73
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9
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0.1144
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2.90576
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0.7921
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64
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10
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0.1019
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2.58826
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0.9989
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55
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11
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0.0907
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2.30378
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1.26
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47
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12
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0.0808
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2.05232
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1.588
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41
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13
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0.072
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1.8288
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2.003
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35
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14
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0.0641
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1.62814
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2.525
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32
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15
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0.0571
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1.45034
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3.184
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28
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16
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0.0508
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1.29032
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4.016
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22
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17
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0.0453
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1.15062
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5.064
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19
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18
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0.0403
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1.02362
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6.385
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16
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19
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0.0359
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0.91186
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8.051
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14
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20
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0.032
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0.8128
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10.15
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11
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AWG gauge
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Diameter Inches
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Diameter mm
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Ohms per 1000 ft
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Maximum amps for chassis wiring
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21
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0.0285
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0.7239
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12.8
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9
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22
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0.0254
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0.64516
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16.14
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7
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23
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0.0226
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0.57404
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20.36
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4.7
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24
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0.0201
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0.51054
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25.67
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3.5
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25
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0.0179
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0.45466
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32.37
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2.7
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26
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0.0159
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0.40386
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40.81
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2.2
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27
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0.0142
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0.36068
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51.47
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1.7
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28
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0.0126
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0.32004
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64.9
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1.4
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29
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0.0113
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0.28702
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81.83
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1.2
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30
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0.01
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0.254
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103.2
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0.86
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31
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0.0089
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0.22606
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130.1
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0.7
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32
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0.008
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0.2032
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164.1
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0.53
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33
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0.0071
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0.18034
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206.9
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0.43
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34
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0.0063
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0.16002
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260.9
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0.33
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35
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0.0056
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0.14224
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329
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0.27
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36
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0.005
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0.127
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414.8
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0.21
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37
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0.0045
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0.1143
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523.1
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0.17
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38
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0.004
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0.1016
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659.6
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0.13
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39
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0.0035
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0.0889
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831.8
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0.11
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40
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0.0031
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0.07874
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1049
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0.09
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