Hello, I have a question about electric elements and their corresponding voltages. I am looking at powering a 1500W 120VAC element out of an ordinary kettle with a DC voltage supplied by solar panels. So, from what I understand, 120VAC represents the RMS voltage meaning that it would require 120VDC to operate correctly.......but why? Is this the minimum rating or maximum rating? Should the element not operate correctly on all voltages; at 24vdc it would suck 62.5A instead of the usual 12.5A at 120VAC. As long as there is enough wattage provided, should the voltage not be irrelevant? Just trying to figure this out...It should work with my array since it will be 155VDC and 1375W. Other sources say that the voltage must be higher than the rated voltage and the wattage of the panels should never increase the wattage of the element, this is why these values were chosen for the array. Thanks in advance for any help!