In IEC61000-4-5 power line testing, the standard states "The non-linear current-voltage characteristics of the EUT must also be considered. Therefore, all lower levels including the selected test level must be tested." How should this be considered for an

In IEC61000-4-5 power line testing, the standard states "The non-linear current-voltage characteristics of the EUT must also be considered. Therefore, all lower levels including the selected test level must be tested." How should this be considered for an

Follow the reference standard,
If not specified, conduct tests at all levels below and including the selected test level.