A PV DC combiner box, also known as a photovoltaic direct current (DC) combiner box, is an electrical enclosure used in solar power systems to combine multiple DC power sources, typically solar panels, into a single output. The combiner box is an important component in large-scale solar installations where multiple solar panels are connected in parallel or series configurations. The primary function of a PV DC combiner box is to collect the DC output from each solar panel and consolidate it into