My outdoor switch is an air conditioner disconnect switch, which allows a physical disconnect that can be 'tagged out' by allowing emergency services from placing the removabe component of the switch elsewhere. There is also a disconnect switch as part of the Solaredge inverter in the garage as well as the 40 amp breaker in the service panel. Disconnecting any of the three is NEC quick disconnect compliant and all of the outputs combined in the string drop to 1 volt per optimizer in very short order. I think the air conditioner type disconnect route is the cheapest and easiest method of disconnect for systems that drop the string at the same time.
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