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Aluminium conducts electricity

It would be hard to imagine our society today managing without

electricity. And yet without Aluminium it would not be possible to connect electricity to our homes Aluminium overhead lines make the efficient transport of electricity possible over large distances.

Electrical current needs a metallic conductor to flow. Today, this is usually aluminium or an aluminium alloy. The conductor cables of aluminium have a steel wire core to ensure mechanical stability. The diameter of the overhead lines is determined by the expected current intensity to ensure that they do not overheat..

Air serves as the insulator for the electrical lines; mechanical insulators, e.g. of plastic, glass or porcelain, are only used at the positions where the lines are secured e.g. to the pylons.

Aluminium's capability of conducting electrical current has helped in creating the society we all enjoy






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