Sweet! This is just what I and others were guessing Tesla was going to do. Officially come out with guidance that you don't have to have a subpanel/load center and can just use one circuit. Me and the "tesla certified" electrician that installed my new wall connector and UWC thought the subpanel was dumb and wouldn't pass inspection so we just used polaris taps. Hard to see in the pic, but just a small junction box above the first WC that has taps in it.
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The manual is still a mess though. It didn't change any wording with this page...just shoe horned in the new diagram. Looks like they rushed it too...notice the diagram isn't as "neat" as the originals (like, meter is not centered in the circles any more, and a line isn't straight on the left example).
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Plus....different than the old gen 3 manual, they added several new pages like page 35 and 36....that only has the original 2 examples and bad sentences like "Electric vehicle branch circuits can be installed in shared panels or dedicated EV panels" ...so not mentioning the single branch circuit setup. It at least says "can" instead of "must" but its still murky.