Articles about the basics of electricity and much more. The application is suitable for electricians, home craftsmen, professionals, and just for those who are interested in the field of electrics. The first section contains detailed information about electrical equipment that is installed in an apartment or private house. Basic theory about electricity written in simple language. Briefly about electrical voltage, current, short circuit, Ohm's law, and so on. Here you will find step-by-step instructions on how to install and repair equipment. The second section contains interactive wiring diagrams for electrical appliances (switches, sockets, motors). You will be able to interact with electrical circuits on your own to better understand how they work. The third section contains various calculators and useful tables for electrical calculations. Once you have a basic knowledge of electricity you can test yourself. Read this electrician's guide to understand how electricity works in your home. This application will be useful to anyone who wants to improve or refresh their knowledge in the field of electrical engineering. Having familiarized yourself with the application, you will be able to independently carry out many works on the installation of equipment and eliminate minor malfunctions, as well as more consciously follow the work of the wizard who is working for you. The application contains more than articles, calculators, search by terms and conventions. We will update this electrical course periodically. Write about errors and suggest your options - we will answer and fix everything! Observe strict adherence to electrical safety requirements when working with electrical equipment. Electricity is not visible or audible! Be careful!