Isolated executed electrical installations can make later, at the stage of operational problems arise, for example, through the inclusion of too many devices to the power supply circuit may occur.So let's take care of it, to the more complex work carried out specialist, because working with electricity can be dangerous for inexperienced employee.
An electrical contractor is a business person or firm that performs specialized construction work related to the design, installation, and maintenance of electrical systems?a $130 billion industry in the United States.1 An electrical contractor is different from an electrician; an electrician is an individual tradesman and an electrical contractor is a business person or company that employs electricians.
Electrical contractors employ workers in many capacities, determined by their level of training and experience.
Some common jobs include: Apprentice Electrician ? Receives on-the-job training and classroom instruction from licensed journeymen or master electricians about how to install, modify, repair, and maintain power and lighting systems.Most apprentice programs last 3 to 5 years and apprentices earn wages during this training period.2 Journeyman Electrician ? Installs, modifies, repairs, and maintains power and lighting systems.
Has completed the apprentice program and holds a journeyman's license (according to state requirements) and supervises apprentices. Estimator ? Calculates a project's duration and cost, including materials, overhead, and labor.