6.2 Normal and fault conditions of equipment6.2.1 Normal operation of equipmentThe test is carried out with terminal A of the measuring network connected to each unearthed or conductive accessible part and circuit in turn, with all test switches l, n and e closed.Measurements shall be made in all applicable conditions of normal operation.Examples of normal operation include mains switch on, mains switch off, standby, start-up, heating and any setting of operator controls except supply-voltage-setting controls.Single-phase EQUIPMENT shall be tested in normal and reverse polarity (switch p).Three-phase EQUIPMENT shall be tested with phase reversals, unless EQUIPMENT operation is dependent on phasing.