Building automation installations; Electronic digital automation installations for measuring building services installations; Electronic digital building automation systems; Engineering design software; Electrical switchgear; Electric control boxes; Switchgear (electric); Telemetry apparatus; Telemetry installations; Terminal boxes (electrical); Boxes adapted for housing electric instruments; Electric circuit breakers; Electric power units; Electric power analysers; Electric power converters; Electric power line detectors; Switch cabinets (electric); Switching boxes for use in electrical engineering; Switching devices for electric contactors; Switching devices for electric relays; Switching power supply apparatus; Electric transformers; Apparatus for accumulating electricity; Electrical accumulators; Instruments for accumulating electricity; Electric regulating apparatus; Electric regulating modules; Electrical apparatus for use in regulation; Electronic regulating apparatus; Regulating apparatus, electric; Regulating transformers; Electronic controlling apparatus; Power units for supplying (other than generating) electrical current; Electric current transformers; Electric current adaptors; Electric current control devices; Electric current distribution apparatus; Switch mode power supply apparatus (electric); Electric circuits; Distribution units (electricity); Electrical distribution installations; Electricity distribution apparatus; Electricity distribution instruments; Electric power supplies (other than generators); Computer software; Application software