· Install underground wiring and cables, · Install, replace, and repair electrical controls and panel boxes, · Splice, join and connect wires, · Test and measure voltage, loads, ground faults integrity of circuits, · Troubleshoot and isolate faults, · Connect power to audio and visual equipment, · Renovate electrical systems in residential and commercial structures, · Conduct preventive maintenance programs, · Read and interpret blueprints, maps, drawings, and specifications.