Plug in outlet box are used for a long time, or their quality may be damaged. Many families may encounter such problems. So how can the outlet box be broken?
(1) first of all, you can use the most conventional and simple method, that is, sticking the damaged cassette with the common 502 glue, then reinstalling the panel again.
(2) Secondly, we can consider a more stable way, but it may be more troublesome. We can take the broken dark box out of the wall, then clean the place where the box is installed, and then paste the new dark box in the wall with a small amount of fast sticky powder, so re - install the box.
3) finally, if the cassette is damaged completely, there is no way to repair it, and at the same time, it can not be completely removed from the wall. Then we can consider replacing the dark box with the box. This may have some effect, but it is simple and easy to operate.