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; Aluminium has 3 delocalised electrons making it a better conductor than magnesium with only 2 delocalized electrons

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Emma Goff

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2y ago

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What elements make electric cable?

Copper and aluminium are used for electric cables.


Is aluminium used for underground cables?

yes and it good for this jop


Is aluminum in everyday objects?

Aluminium is a very common metal: aluminium foils, aluminium cans, kitchen items, cables, boxes for instruments etc.


Why. Are metals used for making electrical cables?

aluminium is used for making electrical cables as the metal do not melt easily


Why do metal alloys used in electrical wires?

Most electrical wires use unalloyed copper. The exception is high-power overhead lines that use aluminium for its low density, which means there is a lot less mass for the towers to support, so they are lighter and less expensive. Aluminium overhead cables are either ACSR - aluminium core, steel reinforced, which uses multi-strand cables with steel strands in the centre; or AAAC which is all-aluminimum alloy conductor. AAAC cables use an aluminium-magnesium-silicon alloy with silicon 0.5-0.9%, magnesium 0.6-0.9%, iron 0.5% max, copper 0.1%, manganese 0.03%, chromium 0.03%, zinc 0.1%, boron 0.06%. The purpose of adding other elements is to increase the tensile strength of the conductors so they can be tensioned up without too much dangling.


Why do the notable features of aluminum make it suitable for making aircraft and power cables?

- aluminium is cheap- aluminium has a low density- aluminium is not easy corrodable- aluminium has convenable thermal and electrical coductivities


Why is a mixture of iron and aluminium used in power cables?

Iron strengthens the aluminum


What size cables to connect a 45kva generator?

3.5 x35 sqmm Aluminium Cable


What does the compnay Romex sell?

They mine for wire. What they sell is cables. Wind turbine cables and tower cables, Wind collection cables, Solar PV wire, Solar collection cables, Transmission and substation e.g (jumper cables) They consist of cast copper, aluminium rods.


Why are there no electric cables in Singapore?

Most electric cables are underground, to conserve space for other purposes, due to shortage of land in Singapore.


What normal household objects are 2 2.5 and 3 millimeters in diameter?

The cores of electric wires and cables.The cores of electric wires and cables.The cores of electric wires and cables.The cores of electric wires and cables.


What form of energy does electrical cables?

Electric cables carry electrical energy in the form of electricity.