Additional
earth conducts are laid and connected with one an-
other grid format.6 Potential control
The potential control reduces the step voltage close to
rods down conductors building.TBS
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2.5 m). the distance from the
rod down-conductor increases, the depth the
earther cable also increases (in increments 0.
Earthing voltage UE
With potential control
Without potential control
Potential control street-light pole
TBS
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2018
/
en
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2020/01/10
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2020/01/10
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167
Chapter The external lightning protection system
.
The lightning current distributed through the metal
grid system and the voltage drop and the resulting
step voltage are reduced.
The earthers are typically laid apart
