FW-ACA The FLEXware AC Adapter or FW-ACA is a plastic case that fi ts on the AC end of an FX SeriesInverter/Charger to extend the size of the AC wiring compartment in OutBack FLEXware systems.The FW-ACA aligns with knockouts on both the FW500-AC and FW1000-AC enclosures as well asPS2 and PS4 AC enclosures. It