For quite substantial existing hundreds, a single cable is probably not functional or offered in huge enough size. In such scenarios, You should utilize parallel cables—two or maybe more cables of the identical gauge carrying equal present-day. For enthusiasts taking up Do it yourself solar initiatives, using the calculator https://pv-cable-4mm2-t-v-manufac28282.law-wiki.com/2064722/direct_from_factory_en50618_iec_62930_pv_cable_manufacturer_guide