How to replace wires without damaging the wall when renovating an old house? ​

In the renovation of an old house, old wires pose a safety hazard. The traditional wall-chiseling and wire-changing method is costly and time-consuming. In fact, if certain conditions are met, wires can be replaced without damaging the wall. The following is a detailed explanation for you. ​ Determine whether it is suitable for non-destructive wire…