Symbol
$D_{\mathrm{it}}$
Unit
mm
Formulae
$F_{\mathrm{x}} \left(D_{\mathrm{1}} + 2 t_{\mathrm{sc}} + 2 t_{\mathrm{scs}}\right) + 2 t_{\mathrm{f}}$multi-core cables with separate screen and common sheath
$D_{\mathrm{1}} + 2 t_{\mathrm{sc}} + 2 t_{\mathrm{scs}}$otherwise
Related
$D_{\mathrm{1}}$
$t_{\mathrm{sc}}$
$t_{\mathrm{scs}}$
Used in
$A_{\mathrm{f}}$
$D_{\mathrm{oc}}$
$d_{\mathrm{s}}$