An electrician is a tradesman specializing in electrical wiring of buildings, stationary machines, and related equipment. Electricians may be employed in the installation of new electrical components or the maintenance and repair of existing electrical infrastructure. Inside electricians maintain and repair large motors, equipment and control systems in businesses and factories, while residential electricians install wiring and troubleshoot electrical problems in homes. On a daily basis an electrician can do any number of tasks.Electricians have an exciting career. Install and maintain wiring, control, and lighting systems. Inspect electrical components, such as transformers and circuit breakers. Identify electrical problems with a variety of testing devices. Repair or replace wiring, equipment, or fixtures using hand tools and power tools. Electrical technicians help create, maintain and repair the electronic components and equipment used in any equipment or device that involves electricity. They can sometimes work with electricians or electrical engineers, or work on site to keep machinery and specialty equipment running correctly.