3 156
Type foundation earth electrodes
2.1 170
Materials for air-termination and conductor systems
2.7 169
Materials and corrosion protection
2.1 152
Type earth rod structure
2.7.4.2.4.4 162
Perimeter insulation
2.5 165
OBO selection aid for foundation and ring earthers
2.4.4 159
Versions
2.3 161
White trough
2.4.2 161
Black trough
2.7.1 168
Step voltage
2.6 167
Potential control
2.2 172
Materials for earthing systems
2.4.4.4.3.5 166
OBO Construct planning aids
2.4.4.4.4.3.4.1 160
Earth rods
2.4.4.2 168
Protection against dangerous touch voltage
2.6.3 151
Planning methods
2.6.8 173
Testing lightning protection system components
Chapter The external lightning protection system
TBS
Blitzschutz-Leitfaden
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Chapter The external lightning protection system
.4.1 150
Basic principles
2.3.2 150
Normative requirements
2.2 154
Type ring earth electrodes
2.4
