For quite significant present-day hundreds, just one cable is probably not realistic or available in large enough size. In this kind of instances, You should use parallel cables—two or more cables of the same gauge carrying equivalent present-day. For enthusiasts taking on DIY solar tasks, using the calculator assures https://hectorsxcfj.blgwiki.com/2048047/pv_cable_size_calculator_how_to_size_solar_wire_4mm²_vs_6mm²