Application
Bare copper stranded conductor is suitable for uninsulated hook up, jumpers, and grounds in electrical construction.
Manufacturing standards
ASTM B8 – Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft
Technical Parameter for Bare Copper Stranded Conductor (BCC), Class B
Size | Section | Number of Wires | Wire Diameter | Conductor Diameter | Max. DC Resistance at 20℃ | Total Weight | |
AWG/MCM | Cmils | mm2 | mm | mm | Ω/km | kg/km | |
8 | 16510 | 8.37 | 7 | 1.23 | 3.71 | 2.1 | 76 |
6 | 26240 | 13.3 | 7 | 1.55 | 4.67 | 1.32 | 121 |
4 | 41740 | 21.1 | 7 | 1.96 | 5.89 | 0.83 | 192 |
2 | 66360 | 33.6 | 7 | 2.47 | 7.42 | 0.522 | 305 |
1 | 83690 | 42.4 | 19 | 1.69 | 8.43 | 0.413 | 385 |
1/0 | 105600 | 53.5 | 19 | 1.89 | 9.47 | 0.328 | 485 |
2/0 | 133100 | 67.4 | 19 | 2.13 | 10.6 | 0.261 | 612 |
3/0 | 167800 | 85.0 | 19 | 2.39 | 11.9 | 0.207 | 771 |
4/0 | 211600 | 107 | 19 | 2.68 | 13.4 | 0.164 | 972 |
250 | 250000 | 127 | 37 | 2.09 | 14.6 | 0.139 | 1149 |
300 | 300000 | 152 | 37 | 2.29 | 16.0 | 0.116 | 1379 |
350 | 350000 | 177 | 37 | 2.47 | 17.3 | 0.0991 | 1609 |
400 | 400000 | 203 | 37 | 2.64 | 18.5 | 0.0866 | 1838 |
450 | 450000 | 228 | 37 | 2.80 | 19.61 | 0.0771 | 2067 |
500 | 500000 | 253 | 37 | 2.95 | 20.7 | 0.0695 | 2298 |
550 | 550000 | 279 | 61 | 2.41 | 21.7 | 0.063 | 2527 |
600 | 600000 | 304 | 61 | 2.52 | 22.7 | 0.0578 | 2758 |
650 | 650000 | 329 | 61 | 2.62 | 23.6 | 0.0535 | 2987 |
700 | 700000 | 355 | 61 | 2.72 | 24.5 | 0.0495 | 3216 |
750 | 750000 | 380 | 61 | 2.82 | 25.3 | 0.0462 | 3447 |
800 | 800000 | 405 | 61 | 2.91 | 26.2 | 0.0433 | 3676 |
900 | 900000 | 456 | 61 | 3.09 | 27.8 | 0.0387 | 4136 |
1000 | 1000000 | 507 | 61 | 3.25 | 29.3 | 0.0348 | 4596 |