lindy, Building, there's so much hind-sight to it isn't there! LOL And, often there's no way to go back and redo things. You're lucky though that you have a crawlspace where it won't be that big of a problem to do it now when you're almost finished with your build. We have 3 floor outlets but we're on slab. And, I was one of those people your electrician mentioned that had to figure where to put them before the framing was even started on the house. I remember looking at this huge piece of slab. I wasn't sure if I was placing them in my kitchen and GR or if I was way off and I'd wind up with floor outlets in my shower! LOL In my kitchen I have two islands. the smallest is a rolling island that will have electricity to it. I placed that floor outlet perfectly over where I want that island. The other 2 (in the GR) I got in the basic area I wanted but they're not "perfectly placed". Still, once the furniture and rugs are in I don't think anyone but me will know where these two outlets are. I would much prefer to be a bit off then not have them at all.

The front table lamps look like they are "lit" by an off-camera studio light, although perhaps only partially. Notice the shadows on the floor and the lack of hot spot. Whereas the floor lamp and wall sconce in the background appear to be wired in. This being a movie set, it's quite possible that the cords are running through holes drilled in the furniture and down to a raised stage floor where there's a mass of wiring underneath. Channeling cable through furniture and wiring stuff to a main lighting board is a heck of a lot cheaper than losing an actress for months, throwing off your shooting schedule and putting investors and an entire crew on hold while a broken leg heals well enough to finish filming. An overzealous art director with Photoshop *should* have fixed all the shadows on the floor when there's no bright light source in the room coming from right about where that loft is. So I'm guessing it's not retouched, at least not heavily.

Does the 20 amp circuit from the receptacle feed lighting that is wired with 14/2?" If that is the case, the 14/2 lighting wiring is being protected by a 20 amp breaker. Good question. We've got a piece of white cable coming in from the right and going to the 3-gang box. This isn't new construction (house built '73) so the cable could be 14 or 12 gauge. How about this. The old Romex served the bathroom and quite likely a bunch of other stuff. The electrician leaves the old work in place and adds a new 20 amp circuit to serve the receptacle and perhaps some new lighting. I really don't think we have enough information to accurately determine anything.

We just built a shower with almost those exact dimensions, and I want to strongly encourage you to consider a 6" shower curb entry for water control. We, too, wanted to lower the threshold as is so popular with modern showers, but what happened to us and can happen in any situation, is that the floor itself that is to be tiled may need some leveling work before the slope can even be considered. This can quickly eat away at your necessary lippage to keep water out. At least be prepared going into the build that this could be a possibility and that you may need to adjust mid-construction. Even following the proper dimensions for slope, it's a long way for that water to drain, so kicking up the slope a little wouldn't hurt. It doesn't look weird at all. It's totally necessary to get that slope in there so the water won't be sitting over the long surface. Also, at only 80", I think you're going to need some sort of curtain or door to keep water from spraying out the end where your entry is. There are specifications on that somewhere that I've bookmarked, so let me know if you haven't planned a door or curtain into your design, and I'll look it up and link it for you so you can confirm if needed. We used a unique metal coil shower curtain for ours and love it, from Cascade Coil. For our build, we used the Schulter pre-formed shower drain pain and curb forms. The shower drain pain was the longest commercially available, then our tile setters had to build out extra slope to get the full length. If you haven't considered Schluter, please look into it. It's an excellent waterproofing system, and putting this much into a shower renovation, you'll want to be sure it won't ever need to be repaired due to leakage. I believe they have systems to accommodate the linear drains as well. Ours was a re-design of an existing shower into a post-tensioned slab foundation, so we couldn't upgrade to the linear drain but would have if our foundation had allowed for it easily. Also, please look into some version of pre-sealed grout like Mapei. Our tile setters used a standard non-sealed grout, and with that much tile, cleaning is already a problem. We're needing to apply some sort of sealant going forward to help our grout situation. It's a lot of tile to keep clean, but you'll enjoy the space!