DC Cable: There are 2 kinds of DC cables, string and modular. Equally are compatible with solar panels, and 4mm DC PV cables is usually connected to an inverter by connecting the damaging and good prospects. Yes, it can be done to increase the size of PV cables if desired https://milocozku.wikiitemization.com/4479550/cable_solar_6mm_amperaje_no_further_a_mystery