I've only had one install done. The issue was a failed power optimizing after only a couple of years. My guess is that the issues in Australia are similar, with

I've only had one install done. The issue was a failed power optimizing after only a couple of years. My guess is that the issues in Australia are similar, with substandard equipment and maybe even questionable wiring. I've seen enough of that with US systems to doubt that our systems are more effective at stopping it.