Procedure and apparatus for preheating the conductor elements of cables with insulating extracted, in particular conductors with metal reinforcement strip.

Procedure for preheating conductor elements (C) of cables provided with at least one extruded insulating layer, in particular conductor elements with reinforcing metal tape, comprising the steps of: a) continuously feeding said conductor elements (C) one preheating chamber (12); b) heating (30) having a predetermined flow rate of a thermal carrier fluid to a predetermined preheating temperature; c) supplying (24) said predetermined flow rate of thermal carrier fluid to said preheating chamber (12).