It is disclosed a high voltage electric cable (1) having a longitudinal axis (X) and comprising a conductive core (1a) having a first cross section area. The conductive core (1a) comprises a solid, central conductor (2). It further comprises at least three solid, sector conductors (3) stranded around the central conductor (2). The central conductor (2) has a second cross section area and the ratio between the second and first cross section areas is of from 1/130 to 1/20.
