4.7.5.3.4 Peak voltageThe absolute value of the peak voltage of the positive and negative half-cycles of the waveform shall not exceed 1,414 times 110 % of the RMS value of the rated nominal AC output voltage.Compliance with 4.7.5.3.2 through 4.7.5.3.4 is checked by measuring the THD, slopes, and peak voltages of the output voltage waveform with the inverter delivering 5 % power or the lowest continuous available output power greater than 5 %, and 50 % and 100 % of its continuous rated output power, into a resistive load. Each test shall be performed at the DC input voltage, within the rated range for the inverter, that creates the worst-case condition for that test. The THD measuring instrument shall measure the sum of the harmonics from n=2 to n=40 as a percentage of the fundamental (n=1) component.