Electrician cassette with self-adaptive embedding depth

The invention discloses an electrical cassette with self-adaptive embedding depth, which comprises an intelligent bottom box, a PLC module electrically connected to the back surface of the intelligent bottom box, and a cassette sleeving the surface of the intelligent bottom box, supporting structures are arranged on the left side and the right side of the back surface of the intelligent bottom box, and a transmission structure for driving the supporting structures is arranged in the intelligent bottom box. The pressing plate is extruded through the transmission structure, the pressing plate swings with the pin shaft as the axis, when a rubber mat on the outer side of the pressing plate makes contact with the inner surface of the cassette, the effect of extruding and positioning the intelligent bottom box is achieved, the installation efficiency of the intelligent bottom box is improved, the structural functionality of an existing intelligent bottom box can be improved, and the intelligent bottom box is conven