Junction boxes of different materials are not suitable for mixing. For example, the metal case is grounded, fireproof, and hardness is better. PVC and other materials have better insulation properties.
In the use, it is not suitable to destroy the structure of the cassette. The damage of the structure may easily lead to the deformation of the box when it is embedded, which may adversely affect the installation of the panel.
At the same time, when wearing the pipe and threading, pay attention to the reserved hole of the cassette to damage the wire.
Post time: Jul-21-2018