Outdoor mounting of a coupling coil and a capacitive capacitor on a 132kv line output. Executed by one of the brigades of the SECE Telephony Division. They would later complete it with the grounding selector and the coupling box. A new carrier wave system is about to establish telephone and data channels between production and transformation centers in the flourishing Sevillana de Electricidad.

High frequency installation

Tuner
Locking coil
Coupling capacitor
Storage box
Grounding selector
Coaxial cable (connection to communications equipment)
A12 Alcatel switchboard (on wall) and Wiring next to the switchboard