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Message: <blockquote data-quote="keep_hope_alive" data-source="post: 8066685" data-attributes="member: 576029">"oversized" is a poor term to use.  wire ampacity rating comes down to the material used (CU or AL), the number of strands, and the AWG of those strands.  You can look at cross-sectional area as well, but more air between conductors (fewer strands) reduces the amount of conductive area relative to total area.  so to compare based on diameter alone is inaccurate.   some use extra insulation to make the wire look fatter.if wire manufacturers published ohms/1000ft and wire strand AWG and count we would have an easier time comparing wire.  they should also provide a temperature rating.</blockquote>

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