7
Figure 2-2 Installing lightning protection devices outdoors (1)
Table 2-2 Installing lightning protection devices outdoors
No.
Description
1
Video lightning conductor.
2
Communication lightning conductor.
3
Power supply lighting conductor.
4
Impedance of the cable connected to the grounding wire should be less than 4
Ω.
5
The radius is 60 m.
6
Lightning conductor.
7
Steel tube.
