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earthing
conductor
depth in the ground
of at least 0.5 m
conductor in contact with the
ground, corrosion-resistant
distance of at
least 0.5 m
protective angle
of max. 90 °
0.5 m
preferably 0.5 m
feeder cable cable with current carrying shield
Figure 9.15.4 Earthing conductor for protecting the cable route and Figure 9.15.5 Protected volume of a cable route
earthing the mast
In case of new installations where the masts and cables have If lightning hits the mast (not the mast light itself) or the
not been installed yet, a bare earthing conductor is to be in- ground, the earthing conductor assumes the function of the
stalled above the cable route. required earth electrode and linearises the potential drop,
thus preventing flashover to the cable (Figures 9.15.4 and
9.15.5).
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