方形电磁线在空间受限的情况下很有用。当形成线圈时，与相同数量的圆线相比，将等量的方线放入线圈中可以放置在更紧密的线圈配置中。这使工程师能够创建紧凑的线圈和小型电机，从而在更小的空间内提供更大的功率。
绝缘大方形电磁线 – 铜
| 裸铜 | 重型构建 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 尺寸 （AWG） | 尺寸 （英寸） | 电阻* （20°C时每1000英尺欧姆） | 平方密耳 | 拐角半径 | 磅/年 | 尺寸 （英寸） | ||||||
| 最小值 | NOM公司 | 麦克斯 | 最小值 | NOM公司 | 麦克斯 | NOM公司 | NOM公司 | 1000英尺 | 最小增加 | 最小外径 | 最大外径 | |
| 1 | .2864 | .2893 | .2922 | .09627 | .09895 | .1020 | 82,320 | .039 | 317.2 | .003 | .2894 | .2972 |
| 2 | .2550 | .2576 | .2602 | .1217 | .1253 | .1295 | 64,980 | .039 | 250.4 | .003 | .2580 | .2652 |
| 3 | .2271 | .2294 | .2317 | .1539 | .1589 | .1648 | 51,250 | .039 | 197.5 | .003 | .2301 | .2367 |
| 4 | .2023 | .2043 | .2063 | .1949 | .2018 | .2100 | 40,370 | .039 | 155.6 | .003 | .2053 | .2113 |
| 5 | .1801 | .1819 | .1837 | .2470 | .2568 | .2689 | 31,710 | .039 | 122.2 | .003 | .1831 | .1887 |
| 6 | .1604 | .1620 | .1636 | .3101 | .3211 | .3345 | 25,360 | .031 | 97.75 | .003 | .1634 | .1686 |
| 7 | .1429 | .1443 | .1457 | .3929 | .4084 | .4277 | 19,940 | .031 | 76.86 | .003 | .1459 | .1507 |
| 8 | .1272 | .1285 | .1298 | .4981 | .5210 | .5501 | 15,630 | .031 | 60.25 | .003 | .1302 | .1348 |
| 9 | .1133 | .1144 | .1155 | .6267 | .6513 | .6812 | 12,510 | .026 | 48.20 | .003 | .1163 | .1205 |
| 10 | .1009 | .1019 | .1029 | .7951 | .8309 | .8757 | 9,803 | .026 | 37.78 | .003 | .1039 | .1079 |
| 11 | .0897 | .0907 | .0917 | .9914 | 1.033 | 1.085 | 7,883 | .020 | 30.38 | .003 | .0927 | .0967 |
| 12 | .0798 | .0808 | .0818 | 1.254 | 1.317 | 1.397 | 6,185 | .020 | 23.84 | .003 | .0828 | .0868 |
| 13 | .0710 | .0720 | .0730 | 1.565 | 1.641 | 1.734 | 4,964 | .016 | 19.13 | .003 | .0740 | .0780 |
| 14 | .0631 | .0641 | .0651 | 1.980 | 2.094 | 2.239 | 3,889 | .016 | 14.99 | .003 | .0661 | .0701 |
绝缘大方形电磁线 – 铝
| 裸铝 | 重型构建 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 尺寸 （AWG） | 尺寸 （英寸） | 电阻* （20°C时每1000英尺欧姆） | 平方密耳 | 拐角半径 | 磅/年 | 尺寸 （英寸） | ||||||
| 最小值 | NOM公司 | 麦克斯 | 最小值 | NOM公司 | 麦克斯 | NOM公司 | NOM公司 | 1000英尺 | 最小增加 | 最小外径 | 最大外径 | |
| 1 | .2864 | .2893 | .2922 | .1558 | .1601 | .1650 | 8,2320 | .040 | 96.46 | .003 | .2894 | .2972 |
| 2 | .2550 | .2576 | .2602 | .1969 | .2028 | .2096 | 64,980 | .040 | 76.15 | .003 | .2580 | .2652 |
| 3 | .2271 | .2294 | .2317 | .2491 | .2572 | .2666 | 51,250 | .040 | 60.06 | .003 | .2301 | .2367 |
| 4 | .2023 | .2043 | .2063 | .3154 | .3265 | .3399 | 40,370 | .040 | 47.30 | .003 | .2053 | .2113 |
| 5 | .1801 | .1819 | .1837 | 3997 | .4156 | .4351 | 31,710 | .040 | 37.16 | .003 | .1831 | .1887 |
| 6 | .1604 | .1620 | .1636 | .5017 | .5196 | .5412 | 25,360 | .032 | 29.72 | .003 | .1634 | .1686 |
| 7 | .1429 | .1443 | .1457 | .6357 | .6609 | .6920 | 19,940 | .032 | 23.37 | .003 | .1459 | .1507 |
| 8 | .1272 | .1285 | .1298 | .8059 | .8431 | .8902 | 15,630 | .040 | 18.32 | .003 | .1302 | .1348 |
| 9 | .1133 | .1144 | .1155 | 1.014 | 1.054 | 1.102 | 12,510 | .026 | 14.66 | .003 | .1163 | .1205 |
| 10 | .1009 | .1019 | .1029 | 1.286 | 1.344 | 1.417 | 9,803 | .026 | 11.49 | .003 | .1039 | .1079 |
| 11 | .0897 | .0907 | .0917 | 1.604 | 1.672 | 1.755 | 7,883 | .020 | 9.237 | .003 | .0927 | .0967 |
| 12 | .0798 | .0808 | .0818 | 2.028 | 2.131 | 2.260 | 6,185 | .020 | 7.248 | .003 | .0828 | .0868 |
| 13 | .0710 | .0720 | .0730 | 2.532 | 2.655 | 2.806 | 4,964 | .016 | 5.817 | .003 | .0740 | .0780 |
| 14 | .0631 | .0641 | .0651 | 3.203 | 3.389 | 3.623 | 3,889 | .016 | 4.557 | .003 | .0661 | .0701 |
