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Bare Strand Copper Wire Parameter
Normal section | Wries No | Max resistance at 20℃ | Weight | |
mm² | Bare | Coated | kg/km | |
0.5 | 7 | 36 | 36.7 | 5 |
0.75 | 7 | 24.5 | 24.8 | 7.3 |
1 | 7 | 18.1 | 18.2 | 8.8 |
1.5 | 7 | 12.1 | 12.2 | 13.3 |
2.5 | 7 | 7.41 | 7.56 | 24 |
4 | 7 | 4.61 | 4.7 | 35 |
6 | 7 | 3.08 | 3.11 | 51 |
10 | 7 | 1.83 | 1.84 | 89 |
16 | 7 | 1.15 | 1.16 | 138 |
25 | 7 | 0.727 | 0.734 | 220 |
35 | 7 | 0.524 | 0.529 | 309 |
50 | 19 | 0.387 | 0.391 | 409 |
70 | 19 | 0.268 | 0.27 | 609 |
95 | 19 | 0.193 | 0.195 | 818 |
120 | 37 | 0.153 | 0.154 | 1030 |
150 | 37 | 0.124 | 0.126 | 1295 |
185 | 37 | 0.0991 | 0.1 | 1610 |
240 | 37 | 0.754 | 0.0762 | 2120 |
300 | 61 | 0.601 | 0.0607 | 2650 |
400 | 61 | 0.047 | 0.0475 | 3517 |
500 | 61 | 0.0366 | 0.0369 | 4457 |
Description of Bare Strand Copper Wire
Conductor: Stranded and bare copper
Conductor class Class 2 or Class 5 to BS EN60228
Min Installation Temperature 0°C
Max Installation Temperature 60°C
Min working Temperature -15°C
Max working Temperature 70°C
Max conductor temperature 90°C
Max short-circuit Conductor temperature 370°C
Mechanical characteristics
Min. Bending Radius 35mm² up to 400mm²= 6 x OD
Application Of Bare Strand Copper Wire
Soft bare copper conductor cables have annealed copper conductors class 2 or class 5 are recommended for use as neutrals, in-circuit ground connections and machinery and equipment grounding systems. Soft copper may be used for transformer drop leads or other non-tension hook-up jumpers. Hard drawn bare copper conductor may use earth or overheading power line.
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