Electrical sampling with builder preparation

Thank you for your very insightful tips, I am now up to date on the network cabling and will definitely bring the Keystone modules into play.

And I, idiot, thought that electrical conduits were rigid, like KG pipes for example. I Googled again and they are actually more like flexible hoses. That obviously makes many things easier. Can they simply be stored on a roll and then buried as needed?

I will also consider the tip to have LAN run to the wallbox. Thanks!

Better take a look at the specific wallbox you want to have. Ours also has LAN, but you still need a (own) OCPP backend for that. Since the box also supports RS485, we also include a cable for that, which should make it easier to get direct access to the charging data.

If you want to stay flexible, then lay more empty conduits than you will need later. One for the possible Wallbox locations, one for the possible garden shed locations - it is especially practical to cross sealed surfaces in time. You can still pull cables later for the intercom system. Not everything has to be buried deep. The important thing is that you can reach it - if necessary, empty conduit crossing of a driveway...

Since it often unfortunately gets much too short, here is an update:
Your hints helped me a lot and the sample selection process was really relaxed. The electrician was nice, brought in his own ideas and also responded to my wishes.

[*]Preparation for the wallbox is no problem
[*]Regarding external power, I only have to say what I need (three-phase power or normal light/socket) and where, then it will be installed in the protective conduit on a roll
[*]Empty conduit from the roof to the utility room regarding the upcoming photovoltaic installation is also being prepared
[*]"Smart" roller shutter motor: he said he could of course offer me something "smart," but of course that would cost quite a bit. The motors apparently always get a deep box and are connected with five wires, so he recommended that I simply connect the shellys later myself for a fraction of the cost if needed as a self-installation; that’s how we are doing it now too
[*]Network installation: upgrading from single to duplex costs a 25€ surcharge; I took all in duplex now (except the two intended for the Unifis on the ground floor and upper floor, there only single). He wasn’t familiar with ceiling mounting the Unifis. He would have simply installed a network socket in the ceiling, but then I asked him to install a deep flush-mounted box instead as described by , and to attach a keystone module to the laying cable. I’ll then connect a 10cm patch cable to that and from there the UFO access point. That’s no problem for him and will be done that way.
[*]The "end" of the network installation cables will look like this: a keystone module will also be attached here, to which I will also have to connect patch cables again to get into the switch. Is that okay or should I insist that it be bundled into a patch panel? I didn’t want to contradict directly here but wanted to get your opinion first.

Best regards!

Where do your network cables end? In a server cabinet or in the distribution? If you want to have them installed in the distribution on the multimedia board, Hager also offers patch panels which can be supplied directly with Keystone. If in the server cabinet, then directly on the patch panel.

The "end" of the network installation cables looks like this: a keystone module is also installed here, to which I then have to connect patch cables again to get into the switch. Is that OK or should I insist on having it bundled and wired into a patch panel? Here, I did not want to contradict directly but first wanted to get your opinion.

Definitely not directly on the patch panel! Keystones are always clearly the better solution and much more flexible. You just need a patch panel for the keystones, as mentioned, there are ones for multimedia fields and also for the 19" cabinet. I would always put something like that in its own cabinet, no matter how small it then becomes. You are far too restricted in the distribution.