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How Do You Choose the Right Bare Copper Wire for Your Project

2025-09-05

Selecting the appropriate Bare Copper Wire is critical to the safety, efficiency, and longevity of your electrical projects. Whether you're working on grounding systems, power transmission, or renewable energy installations, understanding key product features can help you make an informed decision.

Bare Copper Wire

Bare Copper Wire from Yipu is manufactured to the highest industry standards, combining excellent conductivity, flexibility, and corrosion resistance. Here are essential parameters to consider:

Product Parameters

  • Material: 99.99% pure electrolytic copper

  • Standards: Complies with ASTM B1, B2, B3, and IEC 60228

  • Available forms: Solid and stranded

  • Tensile Strength: 200–250 MPa

  • Conductivity: ≥ 101% IACS

Available Sizes and Specifications

AWG Size Diameter (mm) Resistance (Ω/km) Ampacity (A)
2 6.54 0.156 181
4 5.19 0.249 145
6 4.11 0.395 115
8 3.26 0.628 90

FAQ

What gauge of Bare Copper Wire should I use for residential grounding?
For most residential grounding applications, AWG 4 or 6 solid Bare Copper Wire is recommended due to its optimal balance between conductivity, mechanical strength, and ease of installation.

Can Yipu Bare Copper Wire be used in high-moisture environments?
Yes. Our Bare Copper Wire is made from high-purity copper which offers natural corrosion resistance. It performs reliably in humid or wet conditions when installed correctly.

What makes Yipu Bare Copper Wire different from other brands?
Yipu uses 99.99% pure copper and strictly follows international standards. Each batch is tested for conductivity, tensile strength, and dimensional accuracy, ensuring superior performance and safety.


Choosing the right Bare Copper Wire requires careful attention to technical details and application requirements. Yipu provides reliable, certified products suitable for a wide range of professional uses.

Have more questions or need a customized solution? Contact us today for expert support and to request a quote. Let Yipu be your trusted partner in quality and performance.

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