Solid wire consists of a single strand (or core) of wire that is insulated with a non-conductive material and is prone to break easier and does not create as good of a connection as stranded wire. Stranded wire consists of a bundle of small gauge wires compressed and insulated with a non-conductive material. Stranded conductors are excellent for applications that call for repeated flexing without damaging the cable.
Stranded wire conductors are preferred for:
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Conductor flexibility is much greater in stranded conductors, making them easier to install.
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Flex life is longer compared to solid conductors. Stranded conductors can endure more vibration and bending before breaking. Generally speaking, the finer the stranding, the more flexible the conductor.
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Damage to stranded conductors, such as scratching or nicking, will be less serious than similar damage to solid conductors.
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Strand count affects both the flexibility and cost of a conductor. For any wire size, the more strands present, the more flexible the conductor becomes.
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