Device carrier universal design for flush-mounted devices with SL 20x80mm frame, pure white. Device carrier for the electrical installation duct system, skirting board duct in accordance with DIN EN 50085-1 as a device installation duct. Empty device carrier for snapping onto the skirting board duct lower section, consisting of device carrier lower section with locking screw for installing suitable flush-mounted switch programs with design frame and device carrier upper section. Note: Universal design device carrier apron as a cover for the duct lower section below the device carrier for snapping onto the device carrier is not included.