The eltefa (Electrical and Information Technology Trade Fair) is a leading trade fair for electrical engineering and electronics, which takes place in Stuttgart. The event focuses on electrical and electronic technologies, industrial automation, building technology, renewable energy, and information technology. It is organized by Messe Stuttgart and usually takes place every two years. Since its founding, it has developed into one of the most important trade fairs for electrical engineering and information technology in Germany. It attracts professionals from various fields such as electricians, electrical planners, architects, engineers, energy suppliers, craftsmen, and industry representatives. The fair offers a comprehensive overview of current trends and developments in the fields of electrical engineering, electronics, and information technology. Exhibitors present products, solutions, and services, including switching and control technology, wiring systems, lighting technology, security systems, building automation, network technology, and software solutions for energy management. Overall, the eltefa in Stuttgart is an significant trade fair for electrical engineering and information technology, which offers professionals from the industry the opportunity to present their products and services and to find out about the latest trends and developments. It is an indispensable industry event for everyone who is interested in electrical and electronic technologies, industrial automation, building services engineering, renewable energies, and information technology and is looking for new solutions and innovations. On the whole the organisers welcomed on the 3 days of the fair, from 20. March to 22. March 2019, about 485 exhibitors and 23000 visitors on the eltefa in Stuttgart. The eltefa will take place on 3 days from Tuesday, 02. March to Thursday, 04. March 2027 in Stuttgart.