Lightning Protection & Grounding
Specifications and Standards
- ASTM-B 3 - 74 Specification for soft or annealed copper wire
Applications
- Lightning Protection system for wind farms, buildings, towers, power plants and substations
Lightning Protection & Grounding
| Size(AWG/MCM) | Construction Number of Wires / inch |
| Conductor Diameter Approx. |
| (inches) |
(mm) |
|
| Weight Approximate |
| lb/1000ft |
kg/km |
|
| 8 |
Solid |
0.128 |
3.26 |
50 |
74 |
| 6 |
Solid |
0.162 |
4.11 |
79 |
118 |
| 4 |
Solid |
0.204 |
5.18 |
126 |
188 |
| 2 |
Solid |
0.257 |
6.54 |
200 |
298 |
| 62* |
6 x 4/0.051 |
0.370 |
9.40 |
196 |
292 |
| 72* |
7 x 4/0.051 |
0.370 |
9.40 |
229 |
341 |
| 104* |
6 x 4/0.066 |
0.479 |
12.17 |
329 |
489 |
| 104* |
8 x 3/0.066 |
0.470 |
11.94 |
329 |
489 |
| 122* |
7 x 4/0.066 |
0.479 |
12.17 |
384 |
571 |
| 131* |
6 x 5/0.066 |
0.534 |
13.57 |
411 |
612 |
| 1/0 |
7 x 4/0.0614 |
0.445 |
11.32 |
332 |
494 |
| 2/0 |
7 x 4/0.069 |
0.500 |
12.72 |
419 |
624 |
| 3/0 |
19/0.094 |
0.470 |
11.93 |
518 |
770 |
| 4/0 |
7 x 4/0.086 |
0.624 |
15.85 |
652 |
970 |
| 4/0 |
37/0.075 |
0.525 |
13.33 |
652 |
971 |
| 250 |
7 x 4/0.094 |
0.682 |
17.33 |
779 |
1159 |
| 250 |
37/0.082 |
0.574 |
14.57 |
771 |
1148 |
| 500 |
37/0.116 |
0.812 |
20.62 |
1543 |
2297 |
|
**Smaller and Larger sizes can be produced by request / *Intermediate MCM sizes
