How the wiring is laid in the entrance hall of a panel house
When renovating an apartment in a panel building, it becomes necessary to replace the electrical wiring. But simply replacing the wiring in the apartment isn't enough! It's essential to replace the wiring from the floor panel to the apartment.
There are two options.
First, run the cable openly, in a conduit or cable duct.
Second, use existing ducts, cavities, and niches for the wiring.
This video explains how to locate existing ducts.