Solid wire holds shape and suits many fixed circuits. Stranded wire bends more easily and is common where movement, vibration or installation flexibility matters. The terminal must match the conductor class..
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Copper normally provides higher conductivity in a smaller area and dependable compact terminations. Aluminium can reduce weight and material cost in suitable systems but requires a larger area, compatible connectors.
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Wire commonly means a single conductor. Cable normally means one or more insulated conductors arranged as a complete construction. Trade language overlaps, so the written specification matters more than the nickname..
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A wire is usually one conductor, while a cable is a complete assembly with one or more insulated conductors. Select either from load, voltage, route, temperature, movement, moisture and the applicable standard..
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