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what is the compact conductor ?
STRANDING CONSTRUCTIONS
CONCENTRIC - A central core wire surrounded by one or more layers of helically applied wires.
COMPRESSED - A concentric stranded conductor where each layer is passed through a closing die to reduce the diameter of the stranded conductor by 3%. Southwire's registered trade name for compressed stranding is ARROWSTRAIGHT.
COMPACT - A concentric stranded conductor where each layer is passed through a closing die to reduce the diameter of the stranded conductor by approximately 10%.
source : http://www.southwire.com/support/WaCblTermsRating.htm
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Concentric Round : 1,13xD
Compressed : 1,1xD
Compact :1,0xD
Solid :D
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Compressed Strand
Compressed conductors are intermediate in size between standard concentric conductors and compact conductors. A comparison is shown below:
Concentric, compressed, compact and solid conductor comparison.
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In a concentric stranded conductor, each individual wire is round and considerable space exists between wires. In a compressed conductor, the conductor has been put through a die that "squeezes out" some of the space between wires. In a compact conductor each wire is preformed into a trapezoidal shape before the wires are stranded together into a finished conductor. This results in even less space between wires. A compact conductor is, therefore, the smallest in diameter (except for a solid conductor, of course).
source : https://www.anixter.com/en_us/resources/literature/wire-wisdom/conductor-strand-types.html
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https://link.springer.com/content/pdf/10.1007/s13344-022-0053-4.pdf
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https://www.okonite.com/media/wysiwyg/Engineering%20Technical%20Center/Tech_14.pdf
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