House and Building Automation; Institutions, Authorities, Organisations, Publishers, Associations, Online Services, Internet; Institutions, Authorities, Organisations, Publishers, Associations, Online Services, Internet; Normung; Standardisierung; the Dke is the German Organization Responsible for the Elaboration of Standards and Safety Specifications Covering The, the Dke is the German Organization Responsible for the Elaboration of Standards and Safety Specifications Covering the Area of Electrical, Lighting Industry ...