4.1 150
Basic principles
2.5 165
OBO selection aid for foundation and ring earthers
2.4.4 162
Perimeter insulation
2.6 167
Potential control
2.1 160
Earth rods
2.6.4.3.3 161
White trough
2.5 166
OBO Construct planning aids
2.4.4 159
Versions
2.4.4.6.4.7 169
Materials and corrosion protection
2.2 172
Materials for earthing systems
2.4.7.8 173
Testing lightning protection system components
Chapter The external lightning protection system
TBS
Blitzschutz-Leitfaden
2018
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Chapter The external lightning protection system
.2.4.2 154
Type ring earth electrodes
2.3.2 161
Black trough
2.3 156
Type foundation earth electrodes
2.4.2 150
Normative requirements
2.2 168
Protection against dangerous touch voltage
2.4.4.4.7.1 170
Materials for air-termination and conductor systems
2.4.4.1 152
Type earth rod structure
2.4.3 151
Planning methods
2.3.1 168
Step voltage
2
