9 Transformers; switching equipment, namely, electricity switch cabinets, electricity switch boxes, electric control panels; electrical and high voltage reactors; capacitors; electrodes; earthing or discharge apparatus, namely, cables for earthing and electric discharge tubes, other than for lighting; electric apparatus and instruments and calculation computer programs for monitoring, testing, checking and supervising transformers, switching apparatus, reactors, and electric devices, namely, cables and switchgears; measuring assemblies, namely, instruments for measuring temperature, pressure, current, voltage, amperage, wattage, electrical resistance, capacitance, reactive power, dissipation factor, power factor, phase shift and electrical impedance; Faraday assemblies, namely, faraday cages, voltage sources, electric and electronic filters; test lab equipment, namely, equipment for measuring high voltage measurements including measuring AC, DC and impulse voltage and electrical currents; replacement parts and assemblies for the aforesaid apparatus and instruments