50KW 3 PHASE AC COMBINER BOX METAL

How big is the cable of the photovoltaic area combiner box
Use 4–10 mm2, 600 V insulated cables. Strip 8 mm of cable insulation. Ground the combiner box by connecting it to the inverter. Use the grounding points marked with the Open the combiner box cover. [pdf][FAQS about How big is the cable of the photovoltaic area combiner box]

Connecting to photovoltaic combiner box
Mount the combiner box and secure it with four screws, as shown below. Use 4–10 mm2, 600 V insulated cables. Strip 8 mm of cable insulation. Ground the combiner box by connecting it to the inverter. [pdf]
Metal wire in photovoltaic panels
The best metals for electrical wire cables are Silver, Copper, and Aluminum. Silver is the best but also very expensive and would not be commercially viable for installing domestic solar systems. [pdf]