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does copper carry more current than aluminum

Send an email to an electrical engineer. Aluminum wires are corrosive and can cause fire. Today, aluminum conductors are already being used efficiently and their use is widespread within the construction industry. building distribution to the house distribution panel. It's no wonder that more engineers are examining the possibilities and functionality of aluminum wiring. Price alone offers a compelling reason why modern aluminum conductors have a value proposition to offer: at the time of this research, one can expect to spend approximately 25 to 40 percent more for copper wire than its aluminum counterpart. Aluminum wires have potential hazards, and that is aluminum’s reactivity with the oxygen in the air which can cause a connection to overheat and fail, and possibly causing a fire. Aluminum wiring was preferred over copper wiring largely due to the rising factor of the price of copper, and therefore, aluminum wiring was economical. Aluminum alloy building wires, called the 800 alloy, is also used for low voltage feeders, saving on costs when compared to copper, which is also significantly heavier in weight as well. Additionally, breakers, fuse blocks, and receptacles are listed to only terminate with copper and will not accept aluminum connections. General Cable is a 100+ year-old U.S. manufacturer whose wire products are recognized for their reliable performance, durability and safety. Since industrial applications are considered Interstates' main area of expertise, we have conducted research on using aluminum conductors as an alternative to copper. If the AWG of a wire is thicker than 0AWG, we don’t go toward negative digits. One important product advance is in the physical properties (the chemistry) of aluminum. Jilani. One of these alternative materials, aluminum wire, has been the focus of a lot of attention lately in the construction industry, especially as copper prices continue to increase while the aluminum market remains steady. This design may cause some spatial concerns with some equipment, e.g. Also, a property inherent in all aluminum conductors is that they weigh about 50 percent less than copper. Some metals are more highly conductive than others. Also, significant cost savings can be had by producing heatsinks through aluminum extrusion. We also offer preventative maintenance programs to reduce the risk of increased service calls that lead to downtime. 5 Types of PCB Surface Finishes: Is One of Them Right for Your Project? In today’s electrical world, this is commonly achieved by using dual rated lugs provided by the manufacturer of the gear you purchase. Connections for aluminum are more critical than copper, ... Because of this, aluminum cables must be larger to allow for the same current-carrying capacity of its equivalent in copper wire. Nearly all electronic cables are made from copper, as are other products that take advantage of the high conductivity of copper. A comparison between aluminum and copper for the same application is listed below. To attribute to an aluminium conductor the same resistance as a copper conductor, the cross-sectional area of the aluminium conductor must become larger to compensate for aluminium’s higher electrical resistivity. If the performance is considered identical, why wasn’t the less expensive conductor specified? Annual follow-up inspections would also be an extremely good practice to employ. In order to reply to the question that if aluminum wiring is as good as copper wiring, we reply negative. For example, in one large multi­-building lifestyle center project, the estimated savings to use aluminum instead of copper building service conductor was $100,000. These various uses demonstrate that choosing aluminum is not a "novel" concept and it has been proven to be a useful, high-performing material. Given their smaller cross-sectional areas compared to aluminium, for the same current rating, copper cables are easier to install and to repair. The 8000 series aluminum is the newest of the alloys being used, whereas the previous alloys were part of the 1305 series. Most aluminum wires made to conduct electricity are made of aluminum alloys. This field is for validation purposes and should be left unchanged. Notify me of followup comments via e-mail, Written by : Jilani. Powder Coating Aluminum Extrusions: Is it the Right Choice? However, we would like to educate customers that there are financially beneficial options available to them and one of those just may be using aluminum in their facility. The use of a pigtail or adapter from aluminum to copper and vice versa are also viable options. Good, non-destructive infrared testing and inspection is essential for any electrical distribution system, whether it be aluminum or copper. Where Aluminum Can Be Utilized Interstates recommends trying aluminum conductors from transformers to switchboards in service entrance applications and also installing the conductors from switchboards to motor control centers in feeder applications.

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