9 Scientific, electric and electronic devices and instruments for the transport, distribution, transformation, accumulation, regulation, filtering, measuring, signaling, control or operation of electric current, namely, the electric or electronic components for such devices and instruments, namely, bus bars, electric cables, transformers, rectifiers, semi-conductors, electric relays, condensers, [ inductances, ] capacitors, fuses, starters, timers, circuit breakers, safety switches, pressure switches, panelboards, load centers, switchboards, contractors, power monitoring equipment, electric metering equipment, sensors, electric vehicle controls, variable speed drives, [ cable tray, raceway ] ; automation products, namely, numerical control and communication systems, logic controllers; control panels; static converters; programmers; computer hardware and software in the field of electrical distribution, industrial control and automation, electrical supply systems for computers; uninterruptible power supplies; inverters; batteries; accumulators; supply, filtering, transformation, maintenance and storage devices of electric energy; automation distribution machines, calculating machines, computer and data processing equipment in the field of electrical distribution