Descriptors | Waveforms, Measuring instruments, Electrical conductivity, Alternating current, Electrical impedance, Rated voltage, Circuit networks, Earthing, Direct current, Electric conductors, Rated frequencies, Electrical protection equipment, Testing conditions, Calibration, Leakage currents, Current measurement, Electric current, Test equipment, Electrical testing, Electrical equipment, Electrical measurement, Protected electrical equipment, Electrical safety, Safety devices, Performance, Physiological effects (human body) |