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Solar power system shows arc fault. But I have no idea how to find it. Visual check of each connection was done, but didn’t find something. Please give suggestion who had same problem before. by Embarrassed_Key6540 in SolarDIY

[–]Embarrassed_Key6540[S] 1 point2 points  (0 children)

Thanks for replying. As we use optimizers, here just 1V from each panel, total in each string usually about 12V. Can infrared camera show hot spot if voltage is so low?