1: Critical situations include structures containing sensitive systems, office and commercial buildings or
places which large number people meet. This corres-
ponds test class H.
Components for lightning protec-
tion systems are tested according
to IEC 62561-1. This corresponds test class N.
Components for conductors along which the lightning
current can spread (at least two arrestors) and con-
nections the earthing system are tested with Iimp
50 (10/350). The lightning
protection components for air-termination systems are
tested with Iimp 100 (10/350).
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Chapter Testing, maintenance and documentation
.Lightning protection class Visual inspection (year)
Comprehensive visual
inspection (year)
Comprehensive visual inspection
in critical situations (year)
I and 1
III and 1
Table 4. After a
conditioning phase lasting days, the components
are impacted with three lightning strikes.
BET lightning current generator
Components for lightning protection systems are
tested for functionality according IEC 62561-1 –
Requirements for connection components
