Friends: I researched this and got no clear answer:
If I were to replace an old Sunny Boy transformer inverter with a modern transformerless inverter, what are the implications? I know I need PV rated or conduited feeders. Is PID an issue? Should I disable arc fault as a legacy entitlement or is arc fault even more important with older PV? Thanks in advance. William Miller Miller Solar.com 805-438-5600 www.millersolar.com
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