I'm rewiring my new-to-me detached garage. Garage is from the 70s but has a newer Siemens panel (previous owners added a hot tub). The feed from my service panel is a sheathed 4 conductor cable in buried conduit, but both ground and neutral are bonded on the neutral bar. I lucked out and have the 4c feed, so I can just add ground bars and get the neutral and ground separated per code, right? Here's where I'm a bit confused. I went to the service panel to just lay eyes on the same four conduct...
