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

2. The driving power distribution board and lighting distribution board shall be set separately. If placed in the same distribution board, the driving force and lighting route shall be set separately. distribution board manufacturer: how much do you know about the wiring specification of distribution board?

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

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

5. The distribution 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 the site vulnerable to collision, obvious vibration, liquid splash and pyrogen baking by outsiders. Otherwise, it must be solved with unique safety protection.

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

7. The distribution board shall be made of stainless steel plate or high-quality insulating material, and the thickness of stainless steel plate shall exceed 1.5m

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

9. The household appliances in the distribution board shall be installed on the household appliance installation board with non-metallic materials or wooden insulation layer, and then screwed on the distribution board as a whole. Metal plate and iron distribution board enclosure shall be protected and grounded.

10. The electrical switch in the distribution board shall be fastened on the mounting plate of household appliances according to the specified parts, and shall not be inclined or loose.

11. During operation in the distribution 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.

12. The electrode connecting wire in the distribution board shall be insulated conductor, and the connector shall not be loose, and no part of the induction electrification shall be exposed.

13. The distribution 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 must be connected to neutral. The maintenance zero line shall be connected according to the terminal block.

14. The distribution board must be waterproof, rainproof and antifouling.

15. The household appliances in the distribution board must be reliable and intact. It is strictly prohibited to use damaged and unqualified household appliances.

16. The main distribution board and distribution 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, no separate circuit breaker or separate control switch shall be set. The rated current and pose time constant of the main electrical switch shall be consistent with the rated current and pose time constant of the separate electrical switch.

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