What is the acceptance specification for power distribution cabinets?

1, the manufacturer of distribution box and cabinet has complete production qualifications (production license, technology, quality, and examination and appraisal documents of national specialized institutions).

2, distribution box, cabinet certificate, CCC certification is complete, appearance test, test report is complete.

3. The production configuration of distribution boxes and cabinets is based on the design drawings approved by the design institute, and the drawings provided must take into account the current design and construction acceptance specifications.

4. The spraying color of distribution box and cabinet shall be determined by Party A's professionals.

5. The production and selection of distribution boxes and cabinets meet the national industry standards; Distribution box, cabinet door handle and lock are complete, durable and beautiful. 6. The layout of electrical components in distribution boxes and cabinets is designed according to national industry standards, and the current design and construction acceptance specifications must be considered.

7, distribution box, cabinet is equipped with working grounding row, protective grounding row, grounding row reserved enough wire pressing terminals (one wire and one terminal), and consider the pressure welding is firm, convenient maintenance; The reserved crimping bolts should be arranged well, and the wire pressing specifications should be considered.

8. Protective grounding bolts shall be reserved for distribution boxes and cabinets. The bolts are well welded with the boxes and cabinets, and the pressing surface must be coated with a smooth coating without insulation interlayer.

9. The second floor electrical bottom plate and movable door of distribution box and cabinet must be equipped with grounding jumper (jumper adopts 16mm2 bare flat soft copper wire). Grounding bolts must be reserved for distribution box, cabinet, weak box and meter box.

10, distribution box, weak box and meter box must be marked with the top and bottom of the box before entering the site to avoid workers falling down during construction. The box body and box core of the same electric box and electric meter box must be coded with the same number, so as to avoid the installation being affected by workers' installation errors or the dislocation of the box core and the fixing bolts at the bottom of the box.

1 1. The distribution box and cabinet are equipped with working grounding, and the protective grounding and jumper grounding points must be marked, standardized and durable.

12, distribution box and electrical parts in the cabinet must have easy-to-disassemble protective partitions. The main components in the box and cabinet must have online anti-counterfeiting codes.

13. The electrical components in the distribution box and cabinet must be marked, and the logo must be attached to the lower end of the operating handle. The font is machine-typed, plastic-sealed, firmly fixed and not easy to fall off.

14. Distribution boxes and cabinets must have distribution system diagrams and schematic diagrams. The drawing is mechanically punched and plastic-sealed, and pasted on the top left of the box and cupboard door, so that the drawing is firmly fixed and beautiful.

15. The distribution box and cabinet must have a nameplate made of stainless steel, which is riveted on the upper left or middle upper side of the box and cabinet door with stainless steel nails.

16, the signal display and function signs on the control box and door must be riveted under the operating device.

17, distribution box, cabinet surface should be painted completely, evenly, bright and clean, without defects.

18, there must be a plastic protective bag outside the distribution cabinet, and the distribution box must be affixed with a plastic protective film.

19. The wiring of the electrical parts of the distribution box and cabinet conforms to the industrial process requirements and the construction and acceptance specifications. In the distribution box, there should be more than 60mm wiring space on both sides of the distribution box for incoming and outgoing cables. There should be enough crimping fixed space on the upper and lower sides of the distribution box according to the specifications and quantity of crimping cables, and the fixed accessories of incoming and outgoing cables should be considered.

20, distribution box, cabinet wiring specifications, line color meets the requirements of phase color and phase sequence, from the main circuit breaker under the mouth of each wire must consider independent disassembly and maintenance.

2 1, distribution box, and power lines of distribution branches in the cabinet cannot be connected in series, and there cannot be more than two crimping wires on one terminal at most.

22, distribution box, cabinet circuit breaker arc partition must be complete. All crimping terminals of electrical components must use closed terminals.

23. The brands of electrical components of distribution boxes and cabinets shall be determined by Party A's professionals. At the same time, the distribution box manufacturer must go to the site to communicate with the construction technicians the problems existing in the drawing design. Distribution box manufacturers should have the ability to deepen drawings and be familiar with fire acceptance and other specifications. All distribution boxes and cabinets related to fire fighting must meet the requirements of fire fighting acceptance. If the distribution box system in the design drawings does not meet the requirements of fire acceptance, the distribution box manufacturer should put forward reasonable modification measures, and remember to construct blindly according to the drawings, otherwise all consequences will be borne by the manufacturer.

24. Before the distribution box and cabinet are produced, they must be inspected by Party A, the supervisor and the professional personnel of the construction party, and the samples must be sent. Only after the samples are confirmed by Party A, the supervisor and the construction party to be qualified can they be mass-produced.

25. The production of distribution boxes and cabinets must meet the requirements of the entry time set by Party A. ..

26, distribution box, cabinet inside and outside the strong and weak current terminal strip should be set separately.

27. The outer side of the rear part of the concealed distribution box should be added with steel wire mesh to ensure that the plastering surface will crack in the future. Because the back wall is only 200mm, the concealed distribution box should not be too thick and should not be greater than 160mm.

28. Before leaving the factory, the distribution box and cabinet shall be protected by the manufacturer and landed at the place designated by the constructor.

29. The manufacturer shall actively cooperate with the contractor in the installation and warranty of distribution boxes and cabinets.

30, distribution box, all kinds of instruments in the cabinet must be tested by the national special testing department, and issue a test report.

3 1, distribution box, all kinds of accessories and tools in the cabinet should be fully equipped, and wearing parts must be prepared.

32, distribution box, cabinet manufacturer wiring model, specifications must comply with the design requirements, and have a product certificate.

33. The manufacturer shall be responsible for processing special crimping plates and taking corresponding protective measures in view of the practical difficulties in crimping incoming and outgoing cables.

34. Due to changes in design and requirements of Party A, the manufacturer shall be responsible for modifying, tracking and debugging the modified configuration. ..

35. During the project completion acceptance, the manufacturer shall send professionals to cooperate with the constructor for debugging and acceptance.

36. The door line of panel and cabinet adopts RV insulated conductor, and the outer sleeve strengthens insulation; There are two fixed points on the door and the tray body, which are firmly fixed, and there is an appropriate margin for the door crossing line to ensure the normal opening of the cupboard door.

37. The wiring in the tray should be in the same color, with correct, clear and firm identification, and the wiring should be neat and without splicing.

38, distribution box shell steel plate thickness should be ≥ 1.5≥2mm, box door steel plate thickness should be ≥ 2 mm..

39. The leakage protector installed in the box must have a leakage protection test report.

40, all kinds of information (certificate, inspection report, etc. ) must be present at any time in six copies for inspection.

4 1, the neutral line is light blue, which conforms to the national standard (GB50303), that is, the electrical construction acceptance specification, and all boxes are not knocked off.

42, distribution box, cabinet should be square, straight, vertical, there should be no skew, convex and concave, distortion phenomenon.

43. The exposed bus bars in front of the distribution box and cabinet shall be installed firmly, and there shall be transparent insulation board for easy disassembly.

44. Numbering tubes must be set at both ends of each insulated wire in the distribution box and cabinet, and the numbering tube font machine is clear and durable. On both sides of the distribution cabinet, there are fixed wire racks around each side with even spacing. The depth of the distribution cabinet is 400 mm

45. When installing the meter box and cabinet, open the cabinet door without unpacking, which is convenient for looking up the meter.

46. All T-boxes and T-boxes are exposed in the shaft, and all table boxes and door boxes are concealed.

47. The specifications and dimensions of the wire drawing box are for manufacturers' reference only, and they are determined by the manufacturers according to the national standards and Beijing standards and the actual situation on site. At the same time, we should ensure the smooth progress of acceptance.

48, emergency power supply cabinet full load power supply time not less than 30min.

49. For the convenience of installation, there are two rings at the top of the power distribution cabinet.

50, in and out of the distribution cabinet, distribution box external load line, signal line, control line must be set up special terminal board.

5 1. Matters not covered in this contract shall be implemented in accordance with relevant national design and construction acceptance specifications and relevant standards. Our company is a professional distribution box manufacturer. Welcome customers to consult.