CCA and Copper: Resistance, Size and Finished Weight
Compare CCA and copper at the required resistance and length, then check the resulting conductor size and finished weight. Include insulation, termination and assembly requirements in the comparison, along with any specification that defines the permitted conductor material.
Engineering comparison
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| Decision | Copper Clad Aluminum (CCA) | Pure Copper | Acceptance basis | Your input or result |
|---|---|---|---|---|
| Construction | Aluminum core with copper cladding | Specified copper grade through the metal section | State the copper proportion and its mass or volume basis. | |
| Sizing | Section follows the CCA resistance and mechanical requirements | Section follows the copper resistance and mechanical requirements | Fix length, required resistance, temperature and available space before comparing mass. | |
| Connection | Terminal and joint must fit the composite construction | Terminal and joint must fit the specified copper conductor | Compare crimp/weld/solder results, thermal cycling and exposure. | |
| Purchase comparison | Metal quantity, copper fraction, processing yield and joints enter cost | Metal quantity, grade, processing yield and joints enter cost | Use current quotes for the complete design; no fixed saving is assumed. |
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Products and specifications
Include the drawing, intended application and acceptance criteria when requesting a comparison.
Compare a CCA and copper design