Define the comparison before selecting a material
| Requirement | Information needed | Decision to verify |
|---|---|---|
| Electrical performance | Actual dimensions, maximum DC resistance, length and temperature | Can the proposed conductor satisfy the required electrical duty? |
| Mechanical performance | Material condition, tensile strength, elongation and construction | Does the finished conductor meet the stated handling and service requirements? |
| Connections and environment | Joint method, exposure and inspection criteria | Is the connection and material system qualified for the installation? |
| Project economics | Material quantity, processing, connectors, testing and installation | What is the cost of an accepted complete solution? |
Keep conductivity and system performance separate
A CCS % IACS designation describes conductivity. It does not establish equal resistance at the same diameter, equivalent current rating or the performance of a finished cable.
For signal cables, include the operating frequency range and finished-cable limits. For grounding, include electrical duty, actual construction and connection requirements.
Use the properties of the actual wire
The steel core is part of the CCS material structure, but a general material description is not a tensile-strength guarantee. Compare the specified grade, condition and finished dimensions.
Review the copper layer and any coating, along with the connection design and environment. Do not infer a universal service life or unchanged tooling from the material name.
Compare accepted supply specifications
- Use current data for both proposed materials.
- Keep the sample, specification and test record linked.
- Agree on system acceptance before approving a material change.
- Compare total project costs after the required construction and qualification are defined.
This guide supports initial specification review. Confirm current product data, availability and application acceptance for the exact conductor under consideration.