9 Apparatus and instruments for transporting, conducting, switching, transforming, accumulating, regulating, filtering, measuring, signaling, monitoring or controlling electric current, namely, circuit breakers, electric relays, protection relays, transformers, static converters, resistances, contactors, transducers, voltage surge protectors, electric connectors, power supplies, uninterrupted electric power supplies, electric batteries, chargers for batteries, programmable logic controllers, electric control boards, electric control panels, electric distribution panels, boxes and cabinets specially adapted for containing electrical equipment in the nature of apparatus and instruments for transporting, conducting, switching, transforming, accumulating, regulating, filtering, measuring, signaling, monitoring or controlling electric current; electric fire and smoke detectors; electric apparatus in the nature of a switchboard or a panelboard, with a communication interface for connection to a wired or wireless communication network, or to a communication bus; software for checking, control, monitoring, maintenance and remote diagnosis of electrical equipment