Is it necessary to to connect both the power and a common at each feed or can I just connect the power at various points?
I am beginning the inevitable expansion after running a 4 x 8 this past year. I added a second power feed and connected both wires. After getting an education and reading the posts here on the forum,(very helpful BTW, thanks) I am not clear if both are needed. (Following the common ground convention).
I am running conventionally with plans to go Legacy, so I want the wiring to be correct.