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 Install surface mount and/or overhead cables Install power generation, stand-by power generation and power conditioning systems Ground and bond electrical equipment, systems and structures including swimming pools and hot tubs Renovate electrical systems in residential and commercial structures Read and interpret blueprints, maps, drawings and specifications