Non-isolated systems are fitted directly the
object that protected and the down-conduct-
ors are routed along the surface the installation. both cases must en-
sured that the separation distance (s) adhered to.
TBS
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Chapter The external lightning protection system
.1.
Isolated systems prevent direct strikes into the ob-
ject/installation that protected. This can be
achieved with air-termination rods and masts, but also
by fixing the components with insulating GRP (fibre-
glass-reinforced plastic) holders the building/install-
ation protected.TBS
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Lightning strike.7. The lightning current enters the build-
ing via metallic components
The equipotential busbar conducts the lightning current
into the earthing system
Surge voltage power and data cable due electro-
magnetic coupling
Danger due non-isolated system
Isolated system with GRP holders
Insulated lightning protection with isFang
2.1 Insulated, high-voltage-resistant air-termina-
tion systems
The OBO isFang modular air-termination rod system
can offer fast and freely terminable solution for insu-
lated air-termination rods high for the
largest possible protection angle.7 Types air-termination systems
Air-termination systems can either isolated non-
isolated systems; the two types can used com-
bination. If
this not possible, the insulated, high-voltage-resist-
ant isCon®
conductor can used achieve isol-
ated air-termination system within non-isolated sys-
tem.1.
2
