Solid and stranded wires see frequent use in electrical equipment, such as cable assemblies and wire harnesses. Solid wires consist of a solid core, whereas stranded wire consists of several thinner wires twisted into a bundle. Each has distinct advantages, with the right choice for an application depending on the specific project details. Some of the factors that may influence the choice between stranded vs. solid wire include:
- Amperage load
- Use case
- Costs
- Metal type
- Wire gauge
Learning more about the difference between the two types of wires will make it easier to determine the best choice for your needs. The following information should help to inform the selection process.
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What is Stranded Wire?
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These thin, bundled wires are compressed and insulated with non-conductive materials. Stranded wire is more flexible, making it ideal for connecting electronic components in cramped spaces or for twisting and bending to fit intricate geometries. Stranded wire is more flexible and malleable than solid wire, and it won’t split or sever. It is often used for indoor applications such as electronic devices, circuit boards, and speaker wires.
What is Solid Wire?
Solid metal core wire is a much heavier, thicker product than stranded wire. It is ideal for outdoor use where more durability and higher currents are required. This rugged, low-cost wire is resistant to weather, extreme environmental conditions, and frequent movement. It is often used for carrying high currents throughout building infrastructure, vehicle controls, and various outdoor applications.
Stranded vs. Solid Wires: The Key Differences
Comparing stranded vs. solid wire involves exploring the advantages and disadvantages of the two very different types of wire. A comparison narrows down the choices based on how the specific wire characteristics relate to their expected use and the project requirements. You must first determine your application’s requirements for weather resistance, flexibility, and resistance to splitting or severing. Then, choose the wire that most closely meets those needs.
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Some key differences of stranded vs. solid copper wire include:
- Stranded vs. solid wire current capacity. Solid wire is thicker, which means less surface area for dissipation. The thinner wires in stranded wire contain air gaps and greater surface area with the individual strands, translating to more dissipation. When choosing between solid or stranded wire for house wiring, the solid wire offers higher current capacity.
- Routing. Stranded wires offer superior bendability and flexibility, making them easier to route around obstacles than solid wires.
- Flexibility. Stranded wires are more flexible and can sustain more vibration and flexing without breaking. Solid wires may require more frequent replacement than stranded wires in applications with significant movement or vibrations.
- Cost. The production costs of solid wire are much lower than stranded wire, which makes solid wire the more affordable choice.
- Ease of manufacturing. The single-core nature of solid wire makes it much simpler to manufacture. Stranded wires require more complex manufacturing processes to twist the thinner wires together.
- Distance. For longer runs, solid wires are the better choice because they feature less current dissipation. Stranded wire will perform well over shorter distances.
- Superiority. When it comes down to stranded vs. solid wire, there is no clear choice. Each option offers distinct advantages in particular situations.
Wire Solutions From Consolidated Electronic Wire & Cable
Consolidated Electronic Wire & Cable has been a leading manufacturer of high-quality standard and custom electronic wire, molded cable assemblies, wiring harnesses, cable, and power supply cords for over 100 years. Our longevity is due to our versatility, adaptability, and commitment to continuous improvement in processes and products. Our many industry certifications are a testament to our commitment to quality and innovation, including:
- ISO 9001
- RoHS
- CE Mark
- NEC
- UL
- CSA
- VDE
- LF
- MIL-Spec
When you partner with us, you will gain the full expertise of our entire team to ensure the success of your project. For more information on our capabilities and product lines, please contact us or submit a quote request today.
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