The September/October issue of “Eletricidade Moderna” is online. The article “Sendi 2023 highlights the challenges of distribution”, on page 58, shows that the 24^th edition of the National Electricity Distribution Seminar takes place in November in Vitória, ES, in an atmosphere of great expectation and with a broad program involving ESG, sustainability, innovation, free market and the transformation of the distribution business. See on page 24 the article “Protection against arc faults in terminal circuits”, analyzing specific protection for detecting arc faults in terminal circuits. Arcs in series with the load present current intensities below the threshold for protection by fuses and circuit breakers, and are beyond the reach of Residual Current Devices. Furthermore, on page 64, sees the debut of the “EM Professionals” column, with Vinicius Ayrão inaugurating it, which presents and discusses aspects linked to the updating of electricity professionals in relation to new technologies and market trends. This issue also brings the update “AC variable frequency drives and soft starters”, “Cable conduits, trays, ladders, channels and ducting systems” and “Low voltage capacitor banks” buyers’ guides, and “Wholesalers and retailers” directory.