Although editions vary, a typical "Instalaciones Eléctricas Básicas" from Paraninfo covers:

Documentation requirements, legal procedures, maintenance, and prevention of occupational risks (PRL). Why It’s a Go-To Resource

Aprenderás sobre los dispositivos que protegen la instalación y a las personas: Diferencial: El salvavidas contra fugas de corriente.

: Practical exercises on series and parallel circuits, often supplemented by a separate Answer Key (Solucionario) Residential & Commercial Installations