1.Substation grounding grid and Lightning Protection network electrodes 2.Resistance to remote earth measurements 3.Electrical soil resistivity measurement investigations for underground water prospecting and well siting with copper electrodes 4.Cable insulation resistance validation and polarization index 5.TV and telecom's aerials-towers lightning and power protection 6.Socket- outlet RCD Protection and Lighting –surge arresters permissible leakage current 7.Installation of solar energy and maintenance