In a solid argument for keeping up with your operations and maintenance work, here’s a site we visited today.
DC combiner boxes filled with leaves, along with loose connections due to years of small shifts, led to connections being burnt.
The solar panels are wired in a series that end at the combiner box, which connects multiple strings of solar panels in parallel. The combined wire of the in panels, now much larger, then goes to the inverters where it is converted from direct current into alternating current.