Working with a PV Combiner Box

How to commission a PV combiner box

Tools: Insulated screw drivers, 600VDC volt meter, electrical gloves. Notes: The following steps describe how to commission a solar PV combiner box (CB). This article is not intended for troubleshooting, therefore there is not testing to the ground system. Your multimeter needs to be rated at 600V minimum and be capable of measuring DC voltages and direct currents (DC). A …