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NEMA标准
NEMA Standard
AWG Size |
Conductor | Single Build | Heavy Build | |||||||||||
Nom | Min | Max | Min Increase in Dia. |
Max Overall Dia. |
Min Increase in Dia. |
Max Overall Dia. |
||||||||
(mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | (mm) | (inch) | |
10 | 2.588 | 0.1019 | 2.563 | 0.1009 | 2.601 | 0.1024 | 0.079 | 0.0031 | 2.695 | 0.1061 | ||||
11 | 2.304 | 0.0907 | 2.281 | 0.0898 | 2.316 | 0.0912 | 0.076 | 0.0030 | 2.408 | 0.0948 | ||||
12 | 2.052 | 0.0808 | 2.032 | 0.0800 | 2.062 | 0.0812 | 0.074 | 0.0029 | 2.151 | 0.0847 | ||||
13 | 1.829 | 0.0720 | 1.811 | 0.0713 | 1.839 | 0.0724 | 0.071 | 0.0028 | 1.923 | 0.0757 | ||||
14 | 1.628 | 0.0641 | 1.613 | 0.0635 | 1.636 | 0.0644 | 0.041 | 0.0016 | 1.692 | 0.0666 | 0.081 | 0.0032 | 1.732 | 0.0682 |
15 | 1.450 | 0.0571 | 1.435 | 0.0565 | 1.458 | 0.0574 | 0.038 | 0.0015 | 1.509 | 0.0594 | 0.076 | 0.0030 | 1.547 | 0.0609 |
16 | 1.290 | 0.0508 | 1.278 | 0.0503 | 1.298 | 0.0511 | 0.036 | 0.0014 | 1.349 | 0.0531 | 0.074 | 0.0029 | 1.384 | 0.0545 |
17 | 1.151 | 0.0453 | 1.138 | 0.0448 | 1.156 | 0.0455 | 0.036 | 0.0014 | 1.206 | 0.0475 | 0.071 | 0.0028 | 1.240 | 0.0488 |
18 | 1.024 | 0.0403 | 1.013 | 0.0399 | 1.029 | 0.0405 | 0.033 | 0.0013 | 1.077 | 0.0424 | 0.066 | 0.0026 | 1.110 | 0.0437 |
19 | 0.912 | 0.0359 | 0.902 | 0.0355 | 0.917 | 0.0361 | 0.030 | 0.0012 | 0.963 | 0.0379 | 0.064 | 0.0025 | 0.993 | 0.0391 |
20 | 0.813 | 0.0320 | 0.805 | 0.0317 | 0.818 | 0.0322 | 0.030 | 0.0012 | 0.861 | 0.0339 | 0.058 | 0.0023 | 0.892 | 0.0351 |
21 | 0.724 | 0.0285 | 0.716 | 0.0282 | 0.726 | 0.0286 | 0.028 | 0.0011 | 0.770 | 0.0303 | 0.056 | 0.0022 | 0.798 | 0.0314 |
22 | 0.643 | 0.0253 | 0.635 | 0.0250 | 0.645 | 0.0254 | 0.028 | 0.0011 | 0.686 | 0.0270 | 0.053 | 0.0021 | 0.714 | 0.0281 |
23 | 0.574 | 0.0226 | 0.569 | 0.0224 | 0.577 | 0.0227 | 0.025 | 0.0010 | 0.617 | 0.0243 | 0.051 | 0.0020 | 0.643 | 0.0253 |
24 | 0.511 | 0.0201 | 0.505 | 0.0199 | 0.513 | 0.0202 | 0.025 | 0.0010 | 0.551 | 0.0217 | 0.048 | 0.0019 | 0.577 | 0.0227 |
25 | 0.455 | 0.0179 | 0.450 | 0.0177 | 0.457 | 0.0180 | 0.023 | 0.0009 | 0.493 | 0.0194 | 0.046 | 0.0018 | 0.516 | 0.0203 |
26 | 0.404 | 0.0159 | 0.399 | 0.0157 | 0.406 | 0.0160 | 0.023 | 0.0009 | 0.439 | 0.0173 | 0.043 | 0.0017 | 0.462 | 0.0182 |
27 | 0.361 | 0.0142 | 0.358 | 0.0141 | 0.363 | 0.0143 | 0.020 | 0.0008 | 0.396 | 0.0156 | 0.041 | 0.0016 | 0.417 | 0.0164 |
28 | 0.320 | 0.0126 | 0.318 | 0.0125 | 0.323 | 0.0127 | 0.020 | 0.0008 | 0.356 | 0.0140 | 0.041 | 0.0016 | 0.373 | 0.0147 |
29 | 0.287 | 0.0113 | 0.284 | 0.0112 | 0.290 | 0.0114 | 0.018 | 0.0007 | 0.320 | 0.0126 | 0.038 | 0.0015 | 0.338 | 0.0133 |
30 | 0.254 | 0.0100 | 0.251 | 0.0099 | 0.257 | 0.0101 | 0.018 | 0.0007 | 0.284 | 0.0112 | 0.036 | 0.0014 | 0.302 | 0.0119 |
31 | 0.226 | 0.0089 | 0.224 | 0.0088 | 0.229 | 0.0090 | 0.015 | 0.0006 | 0.254 | 0.0100 | 0.033 | 0.0013 | 0.274 | 0.0108 |
32 | 0.203 | 0.0080 | 0.201 | 0.0079 | 0.206 | 0.0081 | 0.015 | 0.0006 | 0.231 | 0.0091 | 0.030 | 0.0012 | 0.249 | 0.0098 |
33 | 0.180 | 0.0071 | 0.178 | 0.0070 | 0.183 | 0.0072 | 0.013 | 0.0005 | 0.206 | 0.0081 | 0.028 | 0.0011 | 0.224 | 0.0088 |
34 | 0.160 | 0.0063 | 0.157 | 0.0062 | 0.163 | 0.0064 | 0.013 | 0.0005 | 0.183 | 0.0072 | 0.025 | 0.0010 | 0.198 | 0.0078 |
35 | 0.142 | 0.0056 | 0.140 | 0.0055 | 0.145 | 0.0057 | 0.010 | 0.0004 | 0.163 | 0.0064 | 0.023 | 0.0009 | 0.178 | 0.0070 |
36 | 0.127 | 0.0050 | 0.124 | 0.0049 | 0.130 | 0.0051 | 0.010 | 0.0004 | 0.147 | 0.0058 | 0.020 | 0.0008 | 0.160 | 0.0063 |
37 | 0.114 | 0.0045 | 0.112 | 0.0044 | 0.117 | 0.0046 | 0.008 | 0.0003 | 0.132 | 0.0052 | 0.020 | 0.0008 | 0.145 | 0.0057 |
38 | 0.102 | 0.0040 | 0.099 | 0.0039 | 0.104 | 0.0041 | 0.008 | 0.0003 | 0.119 | 0.0047 | 0.018 | 0.0007 | 0.130 | 0.0051 |
39 | 0.089 | 0.0035 | 0.086 | 0.0034 | 0.091 | 0.0036 | 0.005 | 0.0002 | 0.104 | 0.0041 | 0.015 | 0.0006 | 0.114 | 0.0045 |
40 | 0.079 | 0.0031 | 0.076 | 0.0030 | 0.081 | 0.0032 | 0.005 | 0.0002 | 0.094 | 0.0037 | 0.015 | 0.0006 | 0.102 | 0.0040 |
41 | 0.071 | 0.0028 | 0.069 | 0.0027 | 0.074 | 0.0029 | 0.005 | 0.0002 | 0.084 | 0.0033 | 0.013 | 0.0005 | 0.091 | 0.0036 |
42 | 0.064 | 0.0025 | 0.061 | 0.0024 | 0.066 | 0.0026 | 0.005 | 0.0002 | 0.076 | 0.0030 | 0.010 | 0.0004 | 0.081 | 0.0032 |
43 | 0.056 | 0.0022 | 0.053 | 0.0021 | 0.058 | 0.0023 | 0.003 | 0.0001 | 0.066 | 0.0026 | 0.010 | 0.0004 | 0.074 | 0.0029 |
44 | 0.051 | 0.0020 | 0.048 | 0.0019 | 0.053 | 0.0021 | 0.003 | 0.0001 | 0.061 | 0.0024 | 0.010 | 0.0004 | 0.069 | 0.0027 |
45 | 0.0447 | 0.00176 | 0.0025 | 0.00010 | 0.0521 | 0.00205 | 0.0076 | 0.0003 | 0.0584 | 0.0023 | ||||
46 | 0.0399 | 0.00157 | 0.0025 | 0.00010 | 0.0470 | 0.00185 | 0.0076 | 0.0003 | 0.0533 | 0.0021 | ||||
47 | 0.0356 | 0.00140 | 0.0025 | 0.00010 | 0.0432 | 0.00170 | 0.0076 | 0.0003 | 0.0483 | 0.0019 | ||||
48 | 0.0315 | 0.00124 | 0.0025 | 0.00010 | 0.0381 | 0.00150 | 0.0051 | 0.0002 | 0.0432 | 0.0017 | ||||
49 | 0.0282 | 0.00111 | 0.0025 | 0.00010 | 0.0330 | 0.00130 | 0.0051 | 0.0002 | 0.0381 | 0.0015 | ||||
50 | 0.0251 | 0.00099 | 0.0025 | 0.00010 | 0.0305 | 0.00120 | 0.0051 | 0.0002 | 0.0356 | 0.0014 |