Hi, Ioannis

a Thunder Arrestor is a soltion for High buildings, Castles, Churches ... I always heard a couple of Birch trees make it well ... If no mains lines around.

Now, Thunder is like water: you can channel them, but never stop them ...

Why wouldn't thunder strike twice at the same place ??? ... if everything rebuilt as it was ... no reason !!!

But as clouds are randomly placed and constituted ... difficult to get twice the same HV Generator characteristics !!!

Regards
Alain