7.1 Conductor material and corrosion 7.2 Thermal capacity 7.3 Mechanical strength 7.4 Conductor size calculations (based on fusion temperature)
8.1 Allowable touch voltage 8.2 Allowable step voltage 8.3 Reduction factors (e.g., crushed rock surface layer)
11.1 Alternative methods (deep-driven rods, counterpoise, chemical rods) 11.2 Surface layer improvements
3.1 Special terminology for this guide (e.g., ground potential rise (GPR), touch voltage, step voltage, mesh voltage, transferred voltage)
This standard is the definitive guide for designing substation grounding systems to protect personnel from electric shock hazards. 1. Overview 1.1 Scope 1.2 Purpose 1.3 Application
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