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Hard Drawn Bare Copper Conductor H.D.B.C No.2 No.4 No.6 No.8 AWG
Description of bare copper conductor
Bare copper, solid or stranded. Available in tempers hard and annealed. The conductors are
concentrically stranded.
Specification of bare copper conductor
BS 7884 : 1997, ASTM B-1; ASTM B-8
Application of bare copper conductor
Solid and stranded bare copper conductors are suitable for overhead transmission and
distribution applications. Stranded conductors of greater flexibility are suitable for
uninsulated hook up, jumpers and grounds in electrical construction.
Installation
Hard drawn copper conductor can be installed in air. It is recommended that the installation instructions
indicated by the Local Electric Code, or any equivalent, be followed, so that the safeguarding of persons and the
integrity of the product will not be affected by deficiencies in the installation.
Specification
ASTM B8
| Size | Nominal cross section | Overall diameter | Linear weight | Calculated breaking load | Max.DC resistance of conductor at 20ºC |
| AWG | mm2 | mm | Kg/km | kN | Ohm/km |
| 1 | 42.4 | 7.35 | 377 | 16.3 | 0.423 |
| 2 | 33.6 | 6.54 | 299 | 13.3 | 0.533 |
| 4 | 21.2 | 5.19 | 188 | 8.8 | 0.848 |
| 6 | 13.3 | 4.12 | 118 | 5.7 | 1.349 |
| 8 | 8.4 | 3.26 | 74 | 3.7 | 2.143 |
| 10 | 5.3 | 2.59 | 47 | 2.3 | 3.409 |
| 12 | 3.3 | 2.05 | 29 | 1.5 | 5.419 |
| 14 | 2.1 | 1.63 | 19 | 0.9 | 8.61 |
| 16 | 1.3 | 1.29 | 12 | 0.6 | 13.715 |
| 18 | 0.8 | 1.02 | 7 | 0.4 | 21.843 |
BS 7884
| Nominal cross section | No./dia of wire | Overall diameter | Linear weight | Calculated breaking load | Max.DC resistance of conductor at 20ºC |
| mm2 | No./mm | mm | Kg/km | daN | Ohm/km |
| 10 | 7/1.35 | 4.05 | 89.82 | 3752 | 1.829 |
| 14 | 7/1.60 | 4.80 | 126.2 | 5267 | 1.303 |
| 16 | 7/1.7 | 5.10 | 142.4 | 5946 | 1.154 |
| 25 | 7/2.1 | 6.3 | 217.3 | 9073 | 0.7563 |
| 35 | 7/2.5 | 7.5 | 308 | 12860 | 0.5337 |
| 50 | 7/3.0 | 9.0 | 435.8 | 17700 | 0.3706 |
| 70 | 19/2.1 | 10.5 | 593.2 | 25930 | 0.2808 |
| 95 | 19/2.50 | 12.50 | 840.7 | 34140 | 0.198 |
| 120 | 19/2.80 | 14.0 | 1055 | 42830 | 0.1578 |
| 150 | 19/3.20 | 18.0 | 1377 | 55940 | 0.1208 |
