Bare Copper Wires


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Copper Wires

The Crazy Wire Company are best know as suppliers of top quality copper wires in many thicknesses. We have enormous stock levels at all times, as we use this wire to weave our woven mesh products.

Bare copper wire refers to electrical wire that is made of pure copper and does not have any insulation or protective coating. This type of wire is often used for grounding applications in electrical systems, as copper is a highly conductive metal that provides an effective path for electrical current. Bare copper wire is also commonly used for making electrical connections and for the manufacture of various types of electrical equipment, including transformers and motors. The wire is usually available in a variety of gauges (diameters) to meet the needs of different electrical applications.

Key product details:

  • 99.9% Copper with the 0.01% being made up of trace elements.
  • Assay – =99.9%
  • Form – wire
  • Resistivity – 1.673 µO-cm, 20°C
  • Diam. – Various
  • bp – 2567 °C(lit.)
  • mp – 1083.4 °C(lit.)
  • Density – 8.94 g/mL at 25 °C(lit.)

Other Available Copper Options

Why Use The Crazy Wire Company

  1. Quality of products: The Crazy Wire Company always  offer high-quality products that meet industry standards and customer expectations.
  2. Selection: We offer a wide variety of wire products and sizes to meet the diverse needs of our customers. We have more than 600 products available through our site and counting. 
  3. Price: We always offer the best value possible. Our wires are available as part of our major weaving processes, so it is bought at the best possible rate. 
  4. Availability: Our products are kept in house and are ready to ship immediately. 
  5. Customer service: Our experienced staff help our customers feel confident in their purchases and provide assistance when required. 

What Else Is Available?

We do not only offer copper round wire. We also have a huge range of KA1 and stainless steel round wire in stock at all times.

Ribbon wire and flat wire are stocked for immediate dispatch too.


FAQs About Copper Wire

Are Copper Wire Good For Speakers?

Copper wire is a popular choice for speaker wire because it is a good conductor of electricity and is relatively inexpensive. Additionally, copper wire is flexible and easy to work with, making it a practical choice for speaker wire. However, it is worth noting that other materials, such as silver and gold, can also be used for speaker wire and may provide better performance in some cases.

Which Copper Wire Thickness Works Best For Speakers?

The thickness of the copper wire used for speakers is measured in gauge, and the lower the gauge number, the thicker the wire. For speakers, a wire gauge between 12 and 16 is typically recommended. The thicker the wire, the less resistance it has, which can result in better sound quality and less loss of power over longer distances. However, it’s also worth noting that thicker wire may be more difficult to work with and may not fit in all speaker terminals.

Additionally, the thickness of the wire also depend on the length of the run and the power of the amplifier. Longer runs and high-power amplifiers may require thicker wire to minimize power loss and ensure proper performance. Therefore it’s recommended to check the amplifier’s manual or consult the manufacturer for the best wire gauge for your specific application.

Can Copper Wire Be Recycled?

Yes, copper wire can be recycled. In fact, copper is one of the most recyclable materials, as it can be melted down and reused repeatedly without losing its properties or quality. Recycling copper wire conserves natural resources, saves energy, and reduces greenhouse gas emissions compared to mining and refining new copper.

The recycling process for copper wire involves collecting the used or scrap wire, shredding it into small pieces, and then melting it down in a furnace. The melted copper is then poured into molds to form new copper products. The recycling process for copper wire can be repeated many times, making it a sustainable and environmentally friendly material to use.

Recycling copper wire also has economic benefits, as recycled copper is less expensive to produce than new copper. This helps to reduce the overall cost of producing new copper products and makes them more accessible to people and industries that use them.

What Is Copper Wire Used For?

Copper wire is a versatile material with a range of electrical and mechanical applications. Some common uses of copper wire include:

Electrical wiring: Copper wire is widely used for electrical wiring in residential, commercial, and industrial buildings. Copper’s high conductivity and durability make it ideal for electrical wiring applications.

Power transmission: Copper wire is used to transmit electrical power over long distances. This is due to its high conductivity and ability to resist electrical degradation over time.

Motor and generator windings: Copper wire is commonly used in motors and generators due to its ability to conduct electricity and its resistance to heat and wear.

Electronic devices: Copper wire is used in the manufacture of electronic devices such as computers, televisions, and mobile phones. The wire is used to connect various components within these devices and to transfer electrical signals.

Transformers: Copper wire is used to make transformers, which are devices used to convert electrical energy from one voltage to another.

Building construction: Copper wire is used in building construction for a variety of purposes, including lightning protection systems and electrical grounding.

These are just a few examples of the many uses of copper wire. Due to its high conductivity, durability, and recyclability, copper wire is a popular material for many electrical and mechanical applications.



Check out our blog ‘what you need to know about: pure copper wire’  for more information on copper wire in general. Our goal for our blogs and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers. 

We also offer similar products through our highly popular eBay store, check us out there too.

Contact our team today if you have any questions at all. We are always really keen to help in any way that we can. 

Additional information


0.15mm – 35AWG, 0.18mm – 35AWG, 0.25mm – 30AWG, 0.2mm – 32AWG, 0.35mm – 27AWG, 0.3mm – 29AWG, 0.4mm – 26AWG, 0.5mm – 24AWG, 0.6mm – 22AWG, 0.7mm – 21AWG, 0.8mm – 20AWG, 0.9mm – 19AWG, 1mm – 18AWG


10 Metres (33 Feet), 25 Metres (82.5 Feet)