Can it overflow? Aren’t transformers limited to output at most 4 amps? Do you mean the size of the packets? That would mean that the transformer’s max packet size would be crossed. I don’t know exactly how transformers work as I didn’t go digging in the source, but you got me thinking.
Are you saying that a transformer might get two amps instead of one because of the lossy cables? That way the other three transformers only get two packets instead of three due to the 4 amp limit of the LuV-IV transformers. Of course, the two packets that go to one transformer would have to be of different sizes. Consequentally, the IV-LuV transformers would average less than 2 amps on their LuV side. The same goes for the IV-LuV transformers and the lightning rod output. However, I feel like this would lead to much more than a 10% loss.