Descriptors | Windings, Accuracy, Dielectric measurement, Type testing, Rated current, Electric enclosures, Withstand voltage, Grades (quality), Capacitance measurement, Temperature-rise limit, Instrument transformers, Environment (working), Ratings, Rated voltage, Electrical testing, Electrical equipment, Partial discharges, Impulse voltages, Impulse-voltage tests, Temperature, Performance testing, Leakage paths, Electrical measurement, Electrical insulating materials, Electromagnetic compatibility, Electrical measuring instruments, Overvoltage tests, Mechanical testing, Electrical insulation, Classification systems, Marking, Transformers |