Electrical trades and electrical power line and telecommunications workers
This minor group includes electricians, including industrial and power system electricians; electrical power line and cable workers; telecommunications line and cable workers; telecommunications installation and repair workers; and cable television service and maintenance technicians. They are employed by electrical contractors; maintenance departments of buildings, factories, plants, mines, shipyards and other industrial establishments; electric power generation, transmission and distribution companies and public utility commissions; cable and satellite television companies; and by telephone and other telecommunications services establishments; or they may be self-employed.