Circuits for heavy current; Current converters; Electric storage batteries; Electric transformers; High-frequency switching power supplies; Frequency converters; Voltage surge protectors; Voltage regulators; Voltage stabilizing power supply; Electrical power distribution units; Voltage surge suppressors; Electric converters; Inverters; Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; Medium voltage power distribution and protection component system composed of breakers and switchgears; DC/AC power converters; Uninterruptible electrical power supplies; Power supplies [electrical]; Electricity router for managing and optimizing energy loads within a building; Transient voltage surge suppressors with power conditioning technology; Direct current converters; Power supplies for data centers, hospitals, warehouses, manufacturing facilities, food processing facilities, commercial business buildings, large residential complexes, vehicle recharging stations; High-voltage power supplies; Low-voltage power supplies; Electric control devices for energy management; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electric current; AC/DC converters; AC/DC inverters; AC/DC power supplies; Electric circuits; Uninterruptible electrical power supply apparatus; battery energy storage systems; switchgear; downloadable energy management software

Installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Installation, maintenance and repair of batteries and accumulators; Electrical repairs and installation of uninterruptible power supplies operating at low, medium, high or extra high AC or DC power; Electrical repairs and installation of energy storage systems for critical power applications; Repair and maintenance of uninterruptible power supplies; Construction of transmission lines; Installation, maintenance and repair of apparatus for distributing electricity; Installation of reactive power compensation apparatus; Electrical contractor services; Installation, maintenance and repair of uninterruptible power supplies operating at low, medium, high or extra high AC or DC power; Installation, maintenance and repair of energy storage systems for critical power applications; Installation, commissioning, maintenance of UPS and microgrid equipment

Public utility services in the nature of electricity distribution; Distribution and transmission of electricity; Distribution of electrical energy; peak-shaving and ancillary service scheduling

Electronic and electrical systems design services; Remote monitoring of the functioning and use of electrical equipment, namely, uninterruptible power supplies operating at low, medium, high or extra high AC or DC power; Remote monitoring of the functioning and use of electrical equipment, namely, energy storage systems for critical power applications; Installation, maintenance and repair of software for managing and controlling uninterruptible power supplies operating at low, medium, high or extra high AC or DC power; Installation, maintenance and repair of software for managing and controlling energy storage systems for critical power applications; Design of power conversion devices; Research and development of technology in the field of power conversion; Electric meter data analysis; Software-as-a-Service (SaaS) for microgrid control, power-quality analytics, demand-response dispatch