• This means that the potential connection can be
made via local equipotential busbar, metallic and
earthed roof structures, earthed parts the build-
ing structure and via the protective conductor the
low-voltage system.15 m
• Throughout both connection areas, the respective
calculated separation distance (s) the metal
parts must maintained.TBS
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2018
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Connection element
Potential connection with e.
No electrically conductive earthed parts may be
located the area between the connection element
and the potential connection the radius the calcu-
lated separation distance. the calculated separation distance
(s) less than the equivalent separation distance of
the appropriate isCon®
conductor, then the distance
between the potential connection clip and the connec-
tion element (x) can reduced accordingly. These include, for example,
metallic construction parts and cable brackets well
as assemblies.
• Equipotential bonding (connection mm²) not ne-
cessary for separation distance 0.
TBS
Blitzschutz-Leitfaden
2018
/
en
/
2020/01/10
14:42:40
14:42:40
(LLExport_02613)
/
2020/01/10
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125
Chapter The external lightning protection system
.g.
• Lightning current must not flow through the refer-
ence potential and must the protective
angle the lightning protection system. cable mm²
x: minimum distance (smaller values are possible
based calculation)
Connection isCon® mesh
isCon®
: Potential connection
• The potential control element should connected
to reference potential using mm² an
equivalent conductivity
