The purpose of the action is to modernise the existing East V404 international line, which is an important transmission border element of the 400 kV network and to increase its transmission capability. Within the project will be exchange of phase conductors including distance three-spreads, replacement of insulating hinges and modification of mast structures. Modernisation of the V404 line with an overall length of 40.14 km will take place in the current route of the line (coridor) and thus the protection zone. a.