Cables
8
Figure 2-3 Installing lightning protection devices outdoors (2)
R: The radius of the circle, and R=60 m.
L1: The length of the pole that holds the lightning conductor.
L2: The length of the rail that holds the Device.
H: The length of the lightning conductor.
To get the value of L1, you need to use the formula:
2.2.2.2 Indoor
You shall use multiple copper cables whose cross-sectional area is not less than
25 mm2 to connect the yellow-green grounding cable/grounding screws to the
indoor equipotential grounding terminals.
