The external dimensions and shape tolerances of the cabinet meet or exceed the requirements of relevant standards. There are anchor installation holes at the bottom, parallel screen holes on the side, and lifting facilities at the top for easy product transportation. After assembly, the structure is neat and beautiful, with firm and reliable fastening connections. The gaps between each joint and the door are even, and the door can be opened and closed flexibly and reliably. The opening angle of the front door is 120 °. All indicator lights, signs, buttons, and wire colors and markings are in accordance with national standards.

All instruments, indicator lights, and buttons in the cabinet are embedded and installed (using a mounting plate installation method) for easy maintenance.

The arrangement of wires is horizontal and vertical, arranged reasonably, neat and beautiful, using the wiring method of row trunking. The configuration of row trunking is reasonable, fixed reliably, and the opening and closing of the trunking cover is good.