4.2 154
Type ring earth electrodes
2.4.2 150
Normative requirements
2.4.2.4.6 167
Potential control
2.1 160
Earth rods
2.4 159
Versions
2.4.3.5 165
OBO selection aid for foundation and ring earthers
2.1 168
Step voltage
2.1 170
Materials for air-termination and conductor systems
2.4.6.3.3 156
Type foundation earth electrodes
2.1 150
Basic principles
2.8 173
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
.3 151
Planning methods
2.6.4.1 152
Type earth rod structure
2.4.2 172
Materials for earthing systems
2.4.2 168
Protection against dangerous touch voltage
2.3.7.4.4.5 166
OBO Construct planning aids
2.4.3 161
White trough
2.4.4.4.4.4 162
Perimeter insulation
2.7 169
Materials and corrosion protection
2.7.2 161
Black trough
2
