ENA ER S34 : ISSUE 1 AMD 2 1988

1 INTRODUCTION
2 SCOPE
3 SYMBOLS AND DESCRIPTIONS OF SYSTEMS
4 ESTIMATION OF THE RESISTANCE OF
  INDIVIDUAL EARTH ELECTRODES AND
  THE IMPEDANCE OF INTEGRATED
  EARTHING SYSTEM
5 THE DISTRIBUTION OF EARTH-FAULT
  CURRENT IN RELATION TO RISE OF
  EARTH POTENTIAL
6 TECHNIQUES FOR ASSESSING RISE OF
  EARTH POTENTIAL
7 ESTIMATION OF THE ZONE OF RISE OF
  EARTH POTENTIAL IN RELATION TO
  LIMITS CONCERNING ELECTRICAL INTERFERENCE
8 EXAMPLES OF PRACTICAL CALCULATIONS
APPENDIX A: MEASUREMENT OF SOIL RESISTIVITY
APPENDIX B: FORMULAE FOR DETERMINING THE
            PROPORTION OF CURRENT RETURNING IN
            THE GROUND FOR EARTH-FAULTS ON POWER
            CABLES WITH METALLIC SHEATHS EARTHED
            AT THEIR TERMINAL ENDS
APPENDIX C: THE DETERMINATION OF CCITT
            VOLTAGE LIMIT CONTOURS FOR SUBSTATIONS
APPENDIX D: REFERENCES