ᐅ Chases in Poroton T12 blocks

Why not completely avoid dust generation.

No conduit, no deal.

We have all wiring installed in empty conduits, but this is not necessarily required. You can simply install a few spare conduits as a precaution in case additional cables need to be laid later on...

zod schrieb:
No conduit, no deal.

Areas that are no longer accessible afterward (e.g., suspended ceilings) should of course be equipped with conduits.
The same applies to cables with shorter expected lifespans, such as intercom wiring (in case a replacement needs more than 4 wires), antenna cables (due to bends or higher signal loss), network cables (for example, if CAT6 or CAT7 is later replaced by fiber optic), and speaker cables.
Also, connection cables between important distribution points, such as electrical cabinets on each floor or from the main distribution board to the garage panel (for example, if three-phase power is upgraded from 16A to 32A later), should be installed in conduits as well.

A regular power cable inside a room is unlikely to be removed again quickly; repairs typically take place locally. During major renovations, everything is usually taken out anyway, and the room layout as well as the positions of switches and sockets are changed.

When routing conduits to the outside (for outdoor sockets, antennas, intercoms), keep the blower door test in mind.

I would mainly install empty conduits with future expansion to KNX or similar systems in mind.

I would love to see the electrician’s reaction when you tell them that the standard electrical installation should be centrally controlled and that an empty conduit should run from every light, socket, and switch to the distribution cabinet for wiring there. And then your reaction when you receive the electrical installation quote.