Whole streets are supplied via central distribution
boxes, containing the controllers and protection com-
ponents.5 metres above
the supply cable.5 LED street lighting systems
Damage and repair costs
In the field street lighting, the replacement the
defective components, alongside the hardware costs,
also incurs high costs through the use elevating
platforms and personnel.TBS
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3. The supply voltage fed via buried cables
in the connection compartment the mast.2. The lu-
minaire supplied from the connection compartment.
Creation the earthing systems
In new installation, the supply cable can protec-
ted against destruction from lightning currents the
earth optional earthing line above it. Upstream surge protection
devices reduce the pulses and protect the luminaire. According
to the current lightning protection standard IEC
62305-3 German supplement (VDE 0185-305-3),
this earthing line must located 0.
Earthing line, uninsulated
Supply cable
Cable routing
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211
Chapter The internal lightning protection system
.4. The earthing line compensates po-
tential differences and minimises arcing the supply
cable
