How should I compare copper with a clad conductor?

Compare the alternatives against the same electrical and mechanical requirements. Review resistance, temperature rise, dimensions, mass, joining compatibility, environmental exposure and total processing cost. A comparison at equal cross-section is different from one at equal resistance. Weight or material savings alone do not establish suitability.

How should I specify wire, strip, foil or ribbon?

Give the required diameter or width and thickness rather than relying on a product name alone. Also specify tolerances, temper, edge geometry, surface condition and coil or spool dimensions. For clad materials, include the layer structure and copper or other cladding content. Available combinations must be confirmed for the selected material and size.

What does % IACS mean?

% IACS expresses electrical conductivity relative to the International Annealed Copper Standard. It is not the copper content or purity of a conductor. Compare values at the same reference temperature and on the same test basis. Resistivity is a separate, reciprocal property and should be reported with its own units.

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