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DC resistance of conductor at 20°C

Symbol
$R_{c20}$
Unit
$\Omega$/m
Formulae
${10}^6\frac{\rho_c}{A_c}$at 20°C IEC 60287
${10}^6\frac{F_{lay,3c} \rho_c}{A_c}$at 20°C Cigre TB 880 GP 23
Related
$A_c$
Cross-sectional area of conductor [mm$^2$]
$F_{lay,3c}$
Effective length per unit lay length of twisted conductors
$\rho_c$
Electrical resistivity of conductor material [$\Omega$.m]
Used in
$R_{cDC}$
Electrical DC resistance of conductor [$\Omega$/m]