1. After the distribution box is transported to the site, it should be unpacked and checked by the organization to check whether there is deformation or paint falling off, whether the components of the instrument panel are complete, whether the accessories and instructions are defective, and make unpacking records.

2. According to the layout of the construction drawings, the high-voltage switchgear should be placed on the basic channel steel first and then. After the horizontal server cabinet is in place, first look for the server cabinet on both sides of the server cabinet, and then tighten the filaments at the top of the two-thirds height width ratio under the server cabinet, taking the surface layer of the server cabinet as the specification, align both ends one by one.

3. After accurate positioning and pointing, fix it according to the size of the fixing screw hole of the server cabinet. Cabinet body and cabinet body, cabinet body and side clapboard are connected by hot-dip galvanized bolts.

4. The leveling error of the top of the two adjacent cabinets of the high-voltage switchgear is not more than 2mm, the leveling error of the top of all cabinets is not more than 5mm, the uneven edge of the two adjacent cabinets is not more than 1mm, the uneven height of all cabinets is not more than 5mm, and the indirect seam of the cabinets is not more than 2mm.

5. After the precise positioning of the machine and equipment, tighten and inspect the internal standard parts again, especially at the connection end of the electrical conductor. After the wiring in the cabinet is completed, use a vacuum cleaner to remove the dirt in the cabinet, maintain the internal and external cleaning of the machine and equipment, and accurately mark the machine and equipment tag number and control circuit number.