case direct
strike, the lightning protection system protects the
building against fire. The air-termination systems
provide optimal impact point and are connected to
the earthing system via the conductors. For lightning
currents, this creates conductive path into the
ground.
Alongside the air-termination system and the conduct-
ors, the earthing system another integral part the
external lightning protection system. The lightning cur-
rent needs safely routed into the earthing sys-
tem without any sparking arcing into other metallic
structures. The air-termination systems form protective
spaces, the necessary size which can determ-
ined using, for example, the “rolling sphere method”.
IEC/EN 62305
+
State and model build-
ing regulations require
lightning protection
IEC/EN 62305
+
DIN 18014
require
foundation earth elec-
trodes
IEC/EN 60364-1
requires protection
against
electric shocks
TBS
Blitzschutz-Leitfaden
2018
/
en
/
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54
. The equipotential bonding system creates
the connection into the building.The lightning current must intercepted and arrested
by the lightning protection system
