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Conductors in either the 1000 or 6000 series alloys are sensible technical alternatives to copper for all electrical conductors, even in domestic wiring.

A very large proportion of overhead, high voltage, power lines utilise aluminium rather than copper as the conductor on weight grounds. The relatively low strength of these grades requires that they be reinforced by including a galvanised or aluminium coated high tensile steel wire in each strand.

Aluminium alloys have a conductivity averaging 62% of the International Annealed Copper Standard (IACS) but, because of its density, it can carry more than twice as much electricity as an equivalent weight of copper.