1. The driving power ready board and lighting ready board shall be set separately. If placed in the same ready board, the driving force and lighting route shall be set separately.

2. The distribution system shall be equipped with indoor general ready board and outdoor general ready board, or outdoor general ready board and each ready board to implement graded distribution.

3. The main ready board shall be built in the area close to the switching power supply. The ready board shall be placed in the area with relatively concentrated electrical and mechanical equipment or load. The distance between the ready board and the ready board shall not exceed 30m. The horizontal distance of mobile power consuming machines and equipment operated between the two ready boardes shall not exceed 3M.

4. The ready board shall be equipped with power distribution equipment from the last level ready board.

5. There shall be enough indoor space and an full passage for two people to work around the high-voltage distribution cabinet and ready board. Do not pile up all objects that hinder the actual operation and maintenance; No bushes or weeds are allowed.

6. The ready board shall be placed in a dry, naturally ventilated and normal temperature place; It shall not be placed in harmful substances with serious harmful effects such as coalbed methane, soot, steam and liquid. It is not allowed to be placed in a site that is vulnerable to collision, obvious vibration, liquid splash and pyrogen baking by outsiders. Otherwise, it must be solved with Du special an full protection.

7. The high-voltage ready board shall be placed in an upright and firm position, and the portable ready board and ready board shall be placed on a firm support frame. The an full distance between the mobile ready board and the bottom of the ready board and the road surface shall be greater than 1.3m and less than 1.5m, and the an full distance between the mobile ready board and the bottom of the ready board and the road surface shall be greater than 0.6m and less than 1.5m

8. The ready board shall be made of stainless steel plate or good insulating material, and the thickness of stainless steel plate shall exceed 1.5m

9. The electrical switch in the ready board shall be fastened on the installation board of household appliances according to the specified parts, and shall not be inclined or loose.

10. The household appliances in the ready board shall be installed on the household appliance installation board with non-metallic materials or wooden insulation layer, and then screwed on the ready board as a whole. The shell of metal plate and iron ready board shall be protected and grounded.

11. The electrical Ji connecting wire in the ready board shall be insulated conductor, and the connector shall not be loose, and no part of the induction electrification shall be exposed.

12. During operation in the ready board, the zero line shall be connected according to the wiring terminal board, and shall be set separately with the maintenance zero line wiring terminal board.

13. The ready board and its metal shell, the metal mounting plate of household appliances, the non inductive charged base and shell of household appliances in the box need to be protected and connected to neutral. The maintenance zero line shall be connected according to the terminal strip.

14. The household appliances in the ready board shall be reliable and intact. It is strictly prohibited to use damaged and unqualified household appliances.

15. The ready board must be waterproof, rainproof and antifouling.

16. Ammeter, total ammeter, total ammeter and its instrument panel shall be installed in the main ready board.

17. The main ready board and ready board shall be equipped with main circuit breaker and individual circuit breaker, main circuit breaker and individual circuit breaker (or main control switch and individual control switch) and its leakage protection switch. If the leakage protection switch has the functions of overload and overcurrent protection, separate circuit breaker or separate control switch will not be set. The rated current and posture time constant of the main electrical switch shall be consistent with the rated current and posture time constant of the separate electrical switch.