IRIS Cover plate for Telephone socket 2-fold with screw terminals odyssey gold DELTA switches and socket outletsdesign and quality to perfection from Siemens. Due to its eternally stylish shapes and a multitude of colors, our comprehensive range of products gives you a plethora of individual design options, which expertly emphasize the aesthetics of any room. With our high level of manufacturing competence, we can also guarantee the high-value and long service life of our DELTA switches and sockets - from individual parts to the finished product. Key features of...mmunication. www.siemens.com/delta. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.