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They should be the same but have different purposes. Stranded wire will flex easier than solid wire. And if one strand breaks there are sufficient numbers of other strands to continue the electrical current. When a solid wire breaks all connection is lost.

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7y ago
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7y ago

False, stranded wire has a larger overall diameter than that of solid wire due to the air trapped in between the multiple wire strands. This leads to a correspondingly larger insulation diameter needed to cover the wire.

The total cross-section area, AWG or "circular mill" size of a stranded conductor is equivalent to that of a solid conductor. This means that the current carrying capacity is the same between both stranded and solid conductors.

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Q: True or false stranded wire has a slightly smaller diameter than solid wire?
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