ПУЭ 7 is an Android application that provides an electronic version of the main reference book for electricians. The app is developed by Александр Московченко and is available for free on Google Play. The program is categorized under Education & Reference and belongs to the Books subcategory. The app is an interactive guide that allows quick access to the relevant chapters and sections of the book. The electronic version also features a search function for easier use. Electrical installation rules (PUE) apply to all voltages up to 750 (kV) under construction and reconstructed electrical AC and DC, including special installations. The program is recommended for devices with a diagonal of 5 inches or more.