protection systems , power system studies , E3 or similar electrical design tools, protection configuration and testing, junction boxes, auxiliary power systems, LV cable sizing, IED-based conventional control and protection systems, auxiliary AC and DC system design, electrical drawings, cable engineering, cable estimation, battery systems, control and protection systems, MACH hardware control and protection system design, IEC configuration tools, Etap, MV LV switchboards, LV MV switchgear