OK, I made a couple of pics of the breaker panel and I hope you can view them on the following links.
These are the breakers:
The circuit breakers I am interested in are the blue ones on the left and the one immediately above them, labelled "Foyer, etc." For some reason it's 30A, while the blue ones below are 15A. I'd like to be sure that the "Foyer" breaker is on the same phase as the 2nd from the bottom, labelled "Kitch/Fam Rm Lights." I'd rather not call en expensive electrician to install a bridge capacitor or whatever.
The following link shows some info about the breaker panel and it's pasted inside of the panel door:
I hope it can help you experts to answer my original question so I don't end up with a useless HomePlug kit.