CCS and Copper Stranded Conductors
Match the electrical and installation requirements first, then compare strand construction, resistance, strength, connections and handling for the complete conductor.
Engineering comparison
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| Decision | CCS stranded wire | copper stranded wire | Acceptance basis | Your input or result |
|---|---|---|---|---|
| Stranded construction | Copper-clad steel strands in a defined lay | Copper strands in a defined lay | Specify strand count, strand diameter, lay direction and finished section. | |
| Electrical and mechanical duty | Steel-core construction needs resistance and mechanical-duty checks | Copper grade and stranding need resistance and mechanical-duty checks | Match fault duty, length, section and allowable thermal rise; equal strand count is not equal resistance. | |
| Terminations | Check tool fit, surface condition and exposed strand ends | Check tool fit, copper condition and strand consolidation | Test the finished connection for pull-out and contact resistance. | |
| Bending and cost | Include lay, bend limits and qualified termination operations | Include lay, bend limits and qualified termination operations | Compare accepted installed assemblies; obtain system-owner approval before substitution. |
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Products and specifications
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