Maintain current electrician's license.Install, maintain, and repair electrical systems and components.Troubleshoot electrical systems and components to identify and resolve issues.Connect wires to circuit breakers, transformers, or other components.Test electrical systems or continuity of circuits in electrical wiring, equipment, or fixtures.Repair or replace wiring, equipment, or fixtures, using hand tools or power tools.Work from ladders, scaffolds, or roofs to install, maintain, or repair electrical wiring, equipment, or fixtures.Use a variety of tools or equipment, such as power construction equipment, measuring devices, power tools, and testing equipment.