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In physics and electrical engineering, a conductor is an object or type of material that allows the flow of charge (electric current) in one or more directions.Materials made of metal are common electrical conductors.
The mechanical power needed to assist in this production is provided by a number of different sources. These sources are called prime movers , and include diesel, petrol and natural gas engines. Coal, oil, natural gas, biomass and nuclear energy are energy sources that are used to heat water to produce super-heated steam.
Plasmas are very good conductors and electric potentials play an important role. The potential as it exists on average in the space between charged particles, independent of the question of how it can be measured, is called the plasma potential, or space potential.
Power cables are used for the transmission and distribution of electric power, either outdoors or inside buildings. Details on the various types of power cables are available. [36] Copper is the preferred conductor material for underground transmission lines operating at high and extra-high voltages to 400 kV.
The first 8000 series electric conductor alloy, still widely used in some applications, was developed and patented in 1972 by Aluminum Company of America . [8] This alloy, along with AA-8030 (patented by Olin in 1973) and AA-8176 (patented by Southwire in 1975 and 1980), performs mechanically like copper.
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An electrochemical cell is a prime example of DC power. Direct current may flow through a conductor such as a wire, but can also flow through semiconductors, insulators, or even through a vacuum as in electron or ion beams. The electric current flows in a constant direction, distinguishing it from alternating current (AC).
Electricity can flow between two conductors in high voltage equipment and the body can complete the circuit. To avoid that from happening, the worker should wear insulating clothing such as rubber gloves, use insulated tools, and avoid touching the equipment with more than one hand at a time.