Electrical measuring and controlling instruments, Measuring and testing equipment, Electrical, Electronics & Optical, Test equipment, electrical, to customer specification, Signal multipliers for electrical or electronic applications, Test benches, electric parameters, to customer specification, Quality and reliability test equipment for electronic components and systems, High voltage-low frequency (HV-LF) generating test equipment, Electrical cable test and fault location equipment, electrical, Test equipment, extra high voltage (EHV), electrical