generator transfer switch
Doing all the splicing in the load center is topologically equal to using the load center as a pass through. This is not permitted in some local cities' code.
With that many (six) circuits, the load center would be much cleaner if you withdraw the circuit cables in question from the load center and use a separate junction box.
The disadvantages of crab apple trees. In summer, the apples are too sour to pick and eat. In winter the birds come and leave dropping all over the place.