A PV combiner box, also known as a solar combiner box or photovoltaic combiner box, is an essential component in a solar photovoltaic (PV) system. It is typically installed between the solar panels and the inverter(s) to consolidate and protect the DC (direct current) electrical connections. The primary function of a PV combiner box is to combine the output of multiple solar panels into a single DC output that connects to the inverter(s). It acts as a central junction box where the positive and