For PV systems, where used for battery interconnections, flexible cables identified as hard-service use and moisture resistant in Article 400, must be a minimum size of _____ AWG.
See answer and applicable Code reference
The correct answer is: b) 2/0
The installation requirements for solar photovoltaic (PV) systems are outlined in Art. 690 of the 2011 NEC. As noted in the first sentence of Sec. 690.74, "Fle