The following conductor diameters are typical values as a function of the conductor cross-section.
The user can choose an arbitrary value not limited to the values in the choices below, but a warning is indicated if the conductor diameter seem unreasonably small.
For sector-shaped multi-core cables, the conductor diameter is defined as the diameter of the circle circumscribing the sector-shaped conductors. Based on that value, an equivalent diameter of the conductor $d_x$ is calculated.
IEC sizes | min. | nom. | Diameter [mm] max. | AWG sizes | min. | nom. | max. |
---|---|---|---|---|---|---|---|
0.5 mm$^2$ | 0.9 | 18 AWG | 1.0 | 1.02 | 1.03 | ||
0.75 mm$^2$ | 1.0 | 16 AWG | 1.26 | 1.29 | 1.3 | ||
1.0 mm$^2$ | 1.2 | 14 AWG | 1.6 | 1.63 | 1.64 | ||
1.5 mm$^2$ | 1.5 | 12 AWG | 2.01 | 2.05 | 2.07 | ||
2.5 mm$^2$ | 1.9 | 10 AWG | 2.82 | 2.87 | 2.9 | ||
4 mm$^2$ | 2.4 | 8 AWG | 3.53 | 3.61 | 3.63 | ||
6 mm$^2$ | 2.6 | 2.7 | 2.8 | 6 AWG | 4.42 | 4.52 | 4.57 |
10 mm$^2$ | 3.4 | 3.5 | 3.7 | 4 AWG | 5.61 | 5.72 | 5.77 |
16 mm$^2$ | 4.7 | 4.8 | 5.0 | 2 AWG | 7.04 | 7.19 | 7.26 |
25 mm$^2$ | 5.6 | 6.1 | 6.5 | 1 AWG | 8.03 | 8.18 | 8.26 |
35 mm$^2$ | 6.6 | 7.0 | 7.4 | 1/0 AWG | 9.02 | 9.19 | 9.3 |
50 mm$^2$ | 7.7 | 8.1 | 8.6 | 2/0 AWG | 10.08 | 10.3 | 10.39 |
70 mm$^2$ | 9.3 | 9.6 | 10.0 | 3/0 AWG | 11.35 | 11.6 | 11.71 |
95 mm$^2$ | 11.0 | 12.0 | 13.4 | 4/0 AWG | 12.75 | 13.0 | 13.13 |
120 mm$^2$ | 12.3 | 13.0 | 15.0 | 250 kcmil | 13.89 | 14.2 | 14.33 |
150 mm$^2$ | 13.7 | 14.4 | 16.2 | 300 kcmil | 15.21 | 15.5 | 15.67 |
185 mm$^2$ | 15.3 | 15.8 | 16.4 | 350 kcmil | 16.46 | 16.8 | 16.97 |
240 mm$^2$ | 17.6 | 18.2 | 18.9 | 400 kcmil | 17.58 | 17.9 | 18.11 |
300 mm$^2$ | 19.7 | 20.0 | 21.1 | 500 kcmil | 19.63 | 20.0 | 20.24 |
400 mm$^2$ | 22.3 | 23.0 | 24.6 | 600 kcmil | 21.56 | 22.0 | 22.23 |
500 mm$^2$ | 25.3 | 26.0 | 26.8 | 750 kcmil | 24.1 | 24.6 | 24.84 |
630 mm$^2$ | 28.7 | 30.5 | 32.5 | 1000 kcmil | 27.81 | 28.4 | 28.65 |
800 mm$^2$ | 33.0 | 33.8 | 34.3 | 1250 kcmil | 31.12 | 31.8 | 32.05 |
1000 mm$^2$ | 37.0 | 41.0 | 42.2 | 1500 kcmil | 34.11 | 34.8 | 35.15 |
1200 mm$^2$ | 44.3 | 1750 kcmil | 36.83 | 37.6 | 37.97 | ||
1400 mm$^2$ | 47.5 | 2000 kcmil | 39.4 | 40.2 | 40.61 | ||
1600 mm$^2$ | 50.0 | 2500 kcmil | 46.3 | ||||
1800 mm$^2$ | 52.8 | 3000 kcmil | 50.7 | ||||
2000 mm$^2$ | 55.5 | 4000 kcmil | 58.6 | ||||
2500 mm$^2$ | 62.0 | 5000 kcmil | 65.6 | ||||
3000 mm$^2$ | 66.0 | ||||||
3200 mm$^2$ | 68.0 | ||||||
3500 mm$^2$ | 70.0 |