Flexible power cables are used for portable devices, mobile tools and machinery. History Early telegraph systems used the first forms of electrical cabling, transmitting tiny amounts of power. Gutta-percha insulation used on the first submarine cables was, however, unsuitable for building wiring use since it deteriorated rapidly when exposed to air. The first power distribution system developed by Thomas Edison in 1882 in New York City used copper rods, wrapped in jute and placed in rigid pipes filled with a bituminous compound. Although vulcanized rubber had been patented by Charles Goodyear in 1844, it was not applied to cable insulation until the 1880s, when it was used for lighting circuits. Rubber-insulated cable was used for 11,000 volt circuits in 1897 installed for the Niagara Falls power project. Power cable
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Electrical Design Engineer / Jobs / Degrees to Careers / Students » search for more Jobs Electrical design engineers design, develop, and test electrical devices, equipment, and systems. They commonly work for consultancy firms or research and development teams on a project-by-project basis from the initial concept (idea) stage, through to the design, construction and commissioning of electrical projects.
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PowerCad electrical engineering design software, Cable Sizing and Design Software PowerCad Software – established in 1991, with its affiliated companies being part of the building industry for the past 25 years – offers a range of electrical engineering design software and support services that are second to none in the electrical industry. Our continued commitment to research and development results in innovative design software solutions for the building services industry. PowerCad Electrical Software Products PowerCad Electrical Software Products are specifically created for the building electrical services industry. Our software models residential, institutional, IT-building, government, commercial and industrial buildings.
Electrical engineers design complex power systems ... ... and electronic circuits. Electrical engineering is a field of engineering that generally deals with the study and application of electricity, electronics, and electromagnetism. This field first became an identifiable occupation in the latter half of the 19th century after commercialization of the electric telegraph, the telephone, and electric power distribution and use. Electrical engineering