9 Power controllers; System software; Operating systems; Computer systems; Power regulating apparatus; Power units (transformers); Power distributors (electrical); Electronic power controllers; Power conditioning apparatus; Electric power controllers; Electronic power transformers; Electronic control systems; Electrical conductors; Electric conductors; Connections, electric; Couplings, electric; Electrical rectifiers; Converters, electric; Electric convertors; Electric converters; Electricity transformers; Transformers (electricity); Electric inverters; Electrical inverters; Electricity inverters; Electric transformers; Impedance transformers; Distribution transformers; Electronic transformers; Electrical transformers; Step down transformers; Step up transformers; Electric voltage transformers; High voltage transformers; Electrical reducing transformers; Capacitive voltage transformers; Dry-type transformers; Electric current transformers; Step-up transformers; Tap changers for electric transformers; Apparatus and instruments for transforming electricity; Apparatus and instruments for transforming the use of electricity; Apparatus and instruments for transforming the distribution of electricity; Electrolysers; Electrical engineering software; Energy regulators; Energy control devices; Apparatus for monitoring electrical energy consumption; Electric control devices for energy management; Machine control software; Industrial controls incorporating software; Programmable controls; Invertor controllers; Electronic controllers; Electrical controllers; Programmable controllers; Electrical controls; Hardware (Computer); Computer software for use in integrated circuit design; Software reliability software; Inverters; Photovoltaic inverters; Inverters (electricity); DC/AC inverters; AC/DC inverters; Inverters for power supply; Inverters used in solar power generation; Downloadable computer software for blockchain technology; Computer hardware; Hardware reliability software; Hardware testing software; Data communications hardware; Computer networking hardware; Computer hardware for remotely accessing and transmitting data; Transformers; Voltage transformers; Current transformers; Frequency transformers; Mains transformers (Electric); Software; Collaboration software platforms (software);Industrial software; Testing software; Operating software; Collaboration software; Manufacturing software; Optimisation software; Communications software; Maintenance software; Utility software; Networking software; Encryption software; Communication software; BIOS software; Adaptive software; Electromechanical software; Al software; Cryptography software; Embedded software; Reporting software; Software drivers; Interface software; Artificial intelligence software; Risk detection software