The scenario
Residential solar PV AC distribution panel with a 100 A backfed main breaker and a utility-interactive PV disconnect feeding branch circuit breakers.
What is in this drawing
Read the decisions behind it.
01
Represent the backfed main breaker as a disconnect switch in series with the utility source and panel bus.
02
Place the PV AC disconnect between the inverter output and its dedicated breaker before the shared panel bus.
03
Bond neutral to ground at the main panel only.
When documenting or designing grid-tied solar PV AC panel interconnections, overcurrent protection, and disconnect placement in residential or small commercial systems.
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