5.1 Design parameters 5.2 Fault current considerations 5.3 Fault duration 5.4 Soil resistivity 5.5 Resistivity measurement techniques (Wenner four-pin method) 5.6 Crushed rock surface layer resistivity

3.1 Special terminology for this guide (e.g., ground potential rise (GPR), touch voltage, step voltage, mesh voltage, transferred voltage)

10.1 Grounding of substation fence 10.2 Transfer potentials (conductors leaving substation) 10.3 Grounding of metallic structures 10.4 Seasonal variation of soil resistivity 10.5 Galvanic corrosion