Electrical switches; Covers for electric outlets; Electronic apparatus for the transmission of data; Components for electrical devices; Components for electrical installations; Electric components; Electrical components; Electronic components; Electrical controls; Computer installations; Apparatus and instruments for controlling electricity; Apparatus and instruments for regulating electricity; Apparatus and instruments for switching electricity; Apparatus for the recording of sound or images; Apparatus for the transmission of sound or images; Apparatus for the reproduction of sound or images; Digital apparatus