Regulation 4(3)
1. Conducted low-frequency phenomena
harmonics, interharmonics;
signalling voltages;
voltage fluctuations;
voltage dips and interruptions;
voltage unbalance;
power-frequency variations;
induced low-frequency voltages;
DC in AC networks; and
DC ground circuits;
2. Radiated low-frequency phenomena—
magnetic fields; and
electric fields;
3. Conducted high-frequency phenomena—
induced continuous wave (CW) voltages or currents;
unidirectional transients; and
oscillatory transients;
4. Radiated high frequency phenomena—
magnetic fields;
electric fields;
electromagnetic fields;
continuous waves; and
transients; and
5. Electrostatic discharge phenomena (ESD).