So, I think I understand this correctly; however, I want some feedback.
Please, see the attached pictures of the sub-panel.
In this condo, there is a 200A main breaker/disconnect outside of the dwelling that feeds this sub-panel. Note that there are only the 3 conductors coming in 2 hot, 1 neutral.
I firmly believe that there should be a 4th conductor that is only a ground that should be grounded to the green screw side of the panel, and that only ground wires should be located on that bus. However, I’ve only been a home inspector for about a year and I’m arguing with a GC.
Can someone with a bit more electrical experience please comment? Should there only be ground wires on the right side? Should there be a ground conductor attached to the green screw side? Should the green screw be screwed into the panel enclosure?
I think the answer should be yes to all of the above, but I want to be sure.