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