[Richard]

Chester,

To the best of my memory, I think one in, and two out. I have a breaker panel in my basement just for the inverter circuits, and it has two breakers. I also have a plug that feeds that panel that can be manually plugged into a circuit that bypasses the inverter altogether for those circuits. And.........Newell did something with the other leg (red) going into a transformer that I forget why.

I don't understand the prewiring comment. What can be prewired? I hung the inverter and hooked it up to existing wiring.

The length of the existing wiring was the determining factor in which way I mounted the inverter.

I am not trying to evade the questions, I honestly don't recall the exact details of the wiring. It would be tomorrow afternoon before I can crawl in the basement and take pictures if you need them.