Electrical cassette assembly

The invention discloses an electrical cassette assembly. The electrical cassette assembly comprises a connecting frame and two electrical cassette bodies which are arranged in a left-right adjacent mode and spliced with each other. The thickness of the left electrical cassette body in the front-back direction is smaller than that of the right electrical cassette body in the front-back direction, and the front end of the right electrical cassette body protrudes out of the front end of the left electrical cassette body. The edges of the left and right side edges of each electrical cassette body are circumferentially provided with a plurality of fracture grooves at intervals. The connecting frame comprises a bottom plate and a vertical plate which is connected to the right side of the bottom plate and extends from back to front; when the right side edge of the electrical cassette body at the left side is removed and the left side edge of the electrical cassette body at the right side is removed, the bottom plate