75% of Today’s copper usage is sourced from its conductivity property. Electric energy is the most important input and main raw material of entire economic activities. The importance of copper metal emerges here. Grounding bars should be preferred in places of which specific soil resistance decreases due to deepness.
Grounding bars in suitable sizes and in numbers which can ensure desired grounding resistance should be piled into soil vertically in such a way that its top end will be min. 80 cm under surface. In situations in which more than one bar exist, distance between two bars will be two times of bar length.
| Copper Bars | |
|---|---|
|
Diameter (mm) |
Weight (kg/m)* |
| 8 | 0,448 |
| 9 | 0,567 |
| 10 | 0,700 |
| 12 | 1,008 |
| 15 | 1,575 |
| 18 | 2,268 |
| 20 | 2,800 |
| 22 | 3,388 |
| 25 | 4,275 |
| 28 | 5,488 |
| 30 | 6,300 |
| 32 | 7,168 |
| 35 | 8,575 |
| 40 | 11,200 |
| 42 | 12,348 |
| 45 | 14,175 |
| 48 | 16,128 |
| 50 | 17,500 |
| 55 | 21,128 |
| 60 | 25,132 |
| 70 | 34,234 |
| 80 | 44,716 |
| 90 | 56,590 |
| 100 | 69,865 |
| 120 | 100,606 |
| 130 | 118,072 |
| 140 | 136,935 |
| 160 | 178,854 |
| 175 | 213,962 |
| 200 | 279,460 |
| 230 | 369,586 |
| 260 | 472,287 |
| 300 | 628,785 |
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