"De - das elektrohandwerk" is a specialist magazine for electrical engineering, electrical installation, building technology and other topics. de conveys electrotechnical expertise in the entire range of electrical installation and building technology as well as renewable energies (photovoltaic, solar thermal, heat pumps, storage), but also in the areas of information and security technology. Modern technologies, systems and applications are explained in well-founded articles. Practice-oriented application examples create a link to the reader's everyday work. With this app, all published issues are available to our subscribers free of charge.