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  • High electrical conductivity: Aluminum has very high electrical conductivity. So it is good for making electrical cables.
  • High ductility: Its ductility is very high which makes it perfect for drawing large aluminum cables.
  • Light weight: Aluminum weighs about one third of copper, nickel, brass, and steel. Its specific gravity is 2.7. So the aluminum cables are very light weight, hence suitable for long distance cabling. They are also useful in overhead cabling.
  • High resistance to corrosion: Aluminum is resistant to corrosion which makes it a good choice for manufacturing underwater cables.
  • High strength: The high strength of aluminum prevent it from creeping even under high load. However, on overhead transmission lines it is sometimes strengthened with steel.
  • Economical: Aluminum is one of the most economical elements and hence the aluminum cables are cheaper than copper, their nearest competitor.
  • Physical properties: Aluminum is silvery white metal and highly reflective to heat and light. It is easily machinable and can have various surface finishes. It is easily recyclable.
  • Non magnetic: Aluminum is non-magnetic in nature which is an important property for making armors and raceways.
usually metals are good conductors of heat and electricity.aluminium,being a metal,can be used for making electric wires.
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Can aluminum foil can conduct electricity?

I tried using it on my secret invention called "the potato battery" and it powered my flashlight so yes it will


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How can one refine aluminum effectively?

To refine aluminum effectively, the process of electrolysis is commonly used. This involves passing an electric current through a molten mixture of aluminum oxide and cryolite, which separates the aluminum from impurities. The refined aluminum can then be extracted and used for various applications.


Why does security alarm systems use cables with one conductor Aluminum and one Copper?

Both conductors are copper. One is just electroplated so it looks silver. This is so you can know which conductor is which when you hook them up. The copper-colored conductor is traditionally used as the positive, or plus wire. The silver-colored wire is used for the negative or minus wire. Some cables use a foil shield. The shield is mylar (polyester) coated with aluminum. The shield is not really one of the conductors, it is only used to drain away interfering signals before they reach the inner conductors, so it need not be a super good conductor. Aluminum is used for the foil shield partly because it is lightweight, but mostly because it's much cheaper than copper.

Related Questions

Can Aluminum mylar-tape-shielded cables be used instead of Copper braid-shielded cables for instrumentation cables?

Actually, aluminum mylar tape shielded cables are better than copper braid shielded cables for instrumentation cables.


Why is aluminum used for cables instead of copper?

Al is lighter than Cu.


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

Iron strengthens the aluminum


Where and why do you commonly use aluminum in buildings?

Aluminum is commonly used for flashing and for siding. Aluminum wiring for house wiring has fallen out of favor because of fire hazards resulting from improper installation and maintenance but it is still used for entrance cables. Aluminum can also be found in ducts, vents and window frames. Aluminum is used because it is corrosion resistant and relatively inexpensive.


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Copper and aluminum are the most common metals used for electric cables due to their high conductivity and affordability. Copper is preferred for higher conductivity, while aluminum is more cost-effective for longer-distance transmission lines.


Booster cables - what is the difference in use between copper cald aluminum and 100 copper wire?

It depends on some factors which are not mentioned in the question. The main difference between 100% copper wire and copper clad aluminum is that IF they are the same diameter, then the copper will carry and stand up to more electrical current than the aluminum. If the diameter of the aluminum cables have been upgraded in size, to match the current carrying capacity of the normal copper cables, then the only remaining difference is that copper withstands much more bending and coiling beforethe metal begins to "work harden," and some of the individual wire strands begin to break. In other words, the copper stands up to use better than aluminum. When buying booster cables, read the lables, and make sure that the maximum number of Amps, for which the aluminum cables are capable of carrying, is equal to or greater than the highest rated copper cables. Therefore, IF the copper clad aluminum cables are rated for the same current carrying capacity as copper cables, then there is NO difference in use between the two types.


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