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This section provides an overview for copper electrical wire as well as their applications and principles. Also, please take a look at the list of 14 copper electrical wire manufacturers and their company rankings. Here are the top-ranked copper electrical wire companies as of December, 2024: 1.MEDI Kabel GmbH, 2.Ningbo Jintian Copper (Group) Co., Ltd., 3.TESORAX.
Table of Contents
A copper wire is an electrical wire made of copper, which is an excellent electrical conductor.
Copper is a very good electrical conductor and is one of the materials that can transmit electric current efficiently. Therefore, it is used in various applications such as electrical wiring and electronic devices. Taking advantage of this property, copper wires are made of copper.
Copper is a relatively flexible and easily processable material. This allows wires to be manufactured and installed in a variety of shapes. Other materials with high electrical conductivity include gold and silver, which can be manufactured at a lower cost than these materials.
Copper is also highly corrosion resistant and resists oxidation and corrosion. This makes it suitable for use in a variety of indoor and outdoor environments. Copper wires have a long service life and can remain reliable for decades.
Copper wire is used as electrical wire in electrical circuits. The list of uses for copper wire is endless. The following are just a few examples of copper wire applications:
Copper Wire is widely used for power supply and electrical wiring in general households. They can be used for a variety of electrical wiring, from wall outlets to lighting fixtures. Copper wire is safe and reliable and supports the efficient operation of electrical systems.
Copper wire is often used for internal wiring in electronic equipment. For example, copper wires are used in most electronic devices such as computers and smart phones. Copper's high electrical conductivity makes it suitable for signal transmission and power supply, ensuring reliable operation.
In the automotive industry, copper wire is a widely used component in automotive electrical systems and engine components. Copper wires are used in electrical components such as automotive battery cables, starter ignition systems, lighting, and sensors. Copper's high heat resistance and durability make it highly reliable in automotive electrical systems.
At power plants, copper wires are often used to transmit power from generators to transmission lines. Copper wires are also essential for regulating voltage and distributing power at substations. Copper's high electrical conductivity and durability make it ideal for efficiently transmitting power from power plants to demand facilities.
Copper wire has very high electrical conductivity because copper atoms can move electrons freely. Free electrons exist outside the copper atom, and these free electrons carry electric current.
As current flows through the copper wire, the free electrons move through the crystal lattice of copper atoms, moving in response to the electric field. The electric field is the cause of the electric current, and the electrons move within the copper wire in accordance with the electric field, which is how the current is generated. Copper's high electrical conductivity allows current to be efficiently transmitted, resulting in minimal energy loss.
One important law related to the copper wire principle is the Ohm's law. According to Ohm's law, current (I) is proportional to voltage (V) and inversely proportional to resistance (R). Specifically, it is expressed by the following equation:
V = I x R
In the case of copper wire, resistance is very low, resulting in almost no voltage drop when current flows, thus increasing the efficiency of the electrical system.
Many factors are considered when selecting copper wire. The following are factors in selecting copper wire:
The shape of copper wire should be selected based on its application. When used as an overhead wire, single-core or thicker wire should be used to reinforce its strength. When laying inside a wall or in a narrow space, stranded wire with a group of thin wires is often used.
Copper wire generates heat when a large current is applied, and it is important that this heat generation be kept within the allowable value. Therefore, it is necessary to select thicker diameter products for copper wires transmitting large currents. Copper wire with excellent heat resistance is often used when equipment needs to be downsized.
Since copper wire is a conductive material, it may cause a ground fault or short circuit if it comes in contact with the metal that makes up the column legs or enclosure. Therefore, many products cover copper wires with a resinous insulating material to insulate them. Products in which this insulation is further covered with a shielding layer or a sturdy insulator are called cables, and these products are selected according to the application.
*Including some distributors, etc.
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Bhagyanagar India Ltd. (BIL), established in 1985 and headquartered in Hyderabad, India, is a manufacturer of copper products. The company specializes in copper items, including rods, strips, and sheets. It offers solar flat plate collectors, commutators, and submersible wires. It also produces paper-insulated copper conductors for transformers and motors, and specialized products like yoke assemblies and solenoid switches for machinery and automotive manufacturing processes. Its copper foils and sheets are used in telecommunications and automotive sectors. Listed on the Bombay Stock Exchange and the National Stock Exchange, the company serves OEMs like L&T, Lucas-TVS, and Toshiba.
Ningbo Jintian Copper (Group) Co., Ltd. is a manufacturer and supplier of copper-based products based in China. Established in 1986, the company's product range includes copper tubes and pipes, copper fittings, copper alloys, and environmental protection equipment. Additionally, the company provides custom solutions based on specific requirements. The company caters to various industries, including air conditioning and refrigeration, hardware & components, power engineering, industrial motors, wind power, and more. One sample product is its copper busbar, used in electrical and power distribution systems due to its excellent conductivity and thermal properties.
RK Copper & Alloy LLP, established in 1991 and headquartered in Mumbai, India is a manufacturer of copper strips, mechanical, and plumbing systems. The company offers a wide range of products, including copper strips, copper wire, copper bars, copper hex bars, copper bus bars, and more. It also offers copper continuous cast copper wire rods, copper square bars, and copper round bars. Its product can withstand high pressure and temperature changes, as well as its resistance to corrosion and rust. The company has achieved ISO 45001:2018 and ISO 14001:2015 certifications. It serves various industries, including construction, electrical, plumbing, and more.
Ganpati Engineering Industries is an SO 9001:2015 and ROHS-certified manufacturer of wire products established in 1977 in Jaipur, Rajasthan, India. The company offers bare copper wire for standard industrial and electrical applications, braided copper wire for flexibility in mobile applications, and tinsel wire for applications requiring high fatigue resistance, such as in telecommunications. It also offers tinned wire with enhanced corrosion resistance for applications in the marine or chemical industries. The company mainly serves clients in the industrial processing and energy sectors.
Amardeep Steel Centre, a company established in 1984, is a manufacturer and supplier of industrial raw materials and process equipment in India. The company provides various products such as pipes, tubes, plates, fittings, fasteners, etc. made of different metals and alloys. These products are used in industries like oil and gas, paper and pulp, steel, sugar, etc. It also offers process equipment like heat exchanger, pressure vessel, reactor, and is registered with all the Ministry of Defense companies and exports to many countries.
Siddhagiri Metals & Tubes, founded in 2002, is a supplier, distributor, and exporter of ferrous and non-ferrous metal products. The company's products are made from stainless steel and nickel alloys and include tubes, pipes, valves, flanges, tube fittings, and pipe fittings. Others are sheet plates, round bars, fasteners, forged fittings, compression fittings, and more. The company is ISO 9001:1515 certified, USAC certified and FIEO certified, and its products are supplied to over 70 countries worldwide in accordance with global standards like ASTM, ASME, and PED Certified.
Paraflex is a supplier of flexible couplings and power transmission solutions. The company is based in Bhiwadi, Rajasthan, India and was established in 1973. The company specializes in offering flexible couplings and power transmission products for diverse machinery applications. Its product range includes Housing Wire, Industrial Wire, Core Flat Cables, Co-Axial Cables and CCTV Cables. The company serves industries such as manufacturing, mining, and agriculture. Paraflex’s products are manufactured to the IFI, DIN, ISO International standard specifications. The company provides services like technical consultation and product customization.
Medi Kabel GmbH, established in 1987 and headquartered in Bayern, Germany, is a supplier of cables and wires. The company offers UL, HAR, and VDE-approved customized wires and cables. Its products include single wires, multicore, and flat ribbon cables. It also provides coaxial, multimedia, and spiral cables and accessories. Its single wires and multicore cables are used for general wiring and control purposes, while its flat ribbon cables are used in compact electronic systems. Its coaxial cables are employed for signal transmission, and power cables are essential for delivering electrical power. The company's technical support includes consulting, feasibility testing, and documentation.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | MEDI Kabel GmbH |
23.3%
|
| 2 | Ningbo Jintian Copper (Group) Co., Ltd. |
13.1%
|
| 3 | TESORAX |
9.7%
|
| 4 | RK Copper & Alloy LLP |
8.0%
|
| 5 | Bhagyanagar India Ltd. (BIL) |
6.4%
|
| 6 | Hangzhou Jayuan Industrial Co Ltd. |
6.2%
|
| 7 | Suzhou Wujiang Shenzhou Bimetallic Cable Co., Ltd. |
6.0%
|
| 8 | Amardeep Steel Centre |
5.8%
|
| 9 | Brilltech |
5.0%
|
| 10 | WEN CHENG LEAD WIRE Co.Ltd. |
4.4%
|
Derivation Method
The ranking is calculated based on the click share within the copper electrical wire page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
India
|
7 | 70.0% |
|
China
|
1 | 10.0% |
France
|
1 | 10.0% |
|
Germany
|
1 | 10.0% |
