High frequency outdoor mounting in line HV.
Outdoor installation of a coupling coil and a capacitive capacitor on a 132kV line output. This work was carried out by one of the teams from SECE's Telephony Division. Later, they would complete the installation with the grounding selector and the coupling box. A new carrier wave system is about to establish telephony and data channels between generation and transformation centers at the burgeoning Sevillana de Electricidad (Seville Electricity Company).