I'm starting to use the SMA SB transformerless 8-10 kW inverters.
It appears that the new SMA 6-circuit combiner box is being included whenever I order one of these buggers (at least from my distributor). Does the double insulated PV wire have to be used all the way back to the inverter? Or can I get by with just using it to the combiner and then transition to the usual TWHN-2 wire? Thanks, marco
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