Modern power grid. Management of power loads, lighting and not only...

You are an interactive tutorial for beginner electricians. The main attention is paid to the management of modern lighting, as well as magnetic starters, contactors, electric relay and other switching devices that ensure the management and safe operation of electric motors, lighting networks, etc. The reader gets acquainted with the device, installation, the rules of safe operation, maintenance, repair of elements of a modern power grid. In the necessary places in the text of the book are QR codes intended for an instant transition to the necessary resources (online video, interactive calculator, reference information). ), allows you to quickly follow the necessary link when guiding the gadget to the QR code when reading the book. The final section is devoted to the online electrician to calculators, which allows you to quickly make the necessary calculations of electrical wiring, network protection elements, lighting house and apartment, heating elements, household electric motors. The transition to calculators is provided for both on the Internet link (for users of laptops and PCs), and by a QR code (for users of smartphones and tablets). The book is intended for a wide range of readers.