Scientific, electric and electronic appliances, namely scientific, electric and electronic appliances for the transport, conducting, distribution, transformation, storage, regulation, filtering, measuring, signalling, monitoring or control of electric current, including electric or electronic components for such apparatus and instruments, rectifiers, semiconductors, electric relays, capacitors, inductors, circuit breakers, switches, contactors, automatons, cabinets, distribution boxes, electric, electronic, distribution, measuring, signalling, switching, monitoring and control panels; static converters, programmers, computers, batteries, accumulators, apparatus for supply, filtration, transformation, maintenance and storage of electrical power

Installation of electrical apparatus or electric or automation equipment or installations or systems; bringing into service (installation) of electric apparatus or equipment or installations or automation; maintenance of electric or automation equipment or installations or systems; servicing, corrective maintenance and repair of electric or automation equipment or installations or systems