Before you is a real encyclopedia for both a master electrician and a beginner, where you will find answers to all the basic questions regarding the electrification of an apartment and a private house: everything about wiring, sockets, light bulbs, tools necessary for work, devices and protective devices. A simple step-by-step guide to drawing up household electrical diagrams and understanding how to calculate power consumption. Specialists with more than 20 years of experience give practical advice that will help you install electrical circuits as accurately, accurately and at minimal cost as possible and help resolve difficulties that arise during the installation and installation of electrical components for your home.