Traditionally, the proportion of aluminum in building wiring is about 20%, the rest is copper. However, there has been a recent trend towards an increase in the use of aluminum cables and wires in residential construction, which is gaining momentum, the Aluminum Association predicts.
Today, Moskabelmet and other manufacturers offer a wide range of promising cable products with aluminum alloy cores. Thus, the AsVVG cable from the 8th series alloy is specially designed for laying in residential buildings and is 50% lighter than its copper counterparts. The difference in prices for AsVVG cables made of copper and aluminum reaches 60% in favor of the latter. It is easily mounted in the interior spaces of houses.
The production of series 8 alloys was mastered at the Kandalaksha and Irkutsk aluminum smelters, which are part of Rusal, back in 2014. All-Russian Research Institute of the cable industry together with the National Academy of Sciences of Fire Safety and All-Russian Research Institute of Fire Defense Ministry of Emergency Situations of Russia conducted detailed studies to assess the properties of the conductive cores of cables made of aluminum alloys. Their results showed the fundamental possibility of creating on their basis a series of cables no less reliable and safe than those with copper cores.
“It must be admitted that copper wiring has a modern alternative - this is the 8th series of aluminum alloys. And do not talk about its fragility, poor conductivity. All private sector wiring in the US is aluminum and works great. In our conditions, it works no worse, ”says Vladimir Volkov, founder of the construction company Oggion.
According to him, educational institutions do not yet train future electricians in the skills of installing cables and aluminum alloy wires of the 8th series, although this problem is easily solved by changing curricula.
“Our task as cable companies is to convey to the end consumer that it is necessary to switch from copper to aluminum. And we must set ourselves a goal: to replace copper, which is on the market, by 80% with aluminum alloys. This goal was originally planned for 2030, but in the current realities, it may be worth doing before 2025, as growth prices for copper is gaining a galloping pace, ”said Pavel Moryakov, CEO of the group Moskabelmet.
Experts note that the mass of aluminum cable is 20-50% lower than copper cable with the corresponding bandwidth, the price is 40% lower. This allows for a 50% reduction in the cost of ongoing home networking projects.
A positive 30-year experience with aluminum alloy cables has led to aluminum becoming the main metal for real estate wiring and wiring in the US
Environmental friendliness and unique properties make aluminum the metal of the future, changing the "metal" construction preferences.
That is why today the largest Russian construction companies are thinking about a large-scale transfer of their buildings to the use of aluminum cables. If they receive support from the federal and regional authorities, then aluminum will take a large part of the Russian cable products market, saving billions of dollars across the entire Russia.
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