Correct installation of distribution box and maintenance points

Precautions for operation of distribution box

1. The door of the distribution box should be equipped with a lock, and a special person is responsible for maintenance.

2. The distribution box and switch box should be inspected and maintained once a day, and records should be filled in. Inspection and maintenance personnel must be professional electricians. During inspection and maintenance, insulating shoes and gloves must be worn as required, and electrical insulating tools must be used.

3. When the accessories box is properly installed for inspection and maintenance, the corresponding power switch of the previous stage must be turned off and the power outage sign should be hung, and live work is strictly prohibited.

4. Operation sequence of power transmission: main distribution box → secondary distribution box → switch box.

5. Operation sequence of power failure: switch box→secondary distribution box→main distribution box (except for emergency cases of electrical failure).

6. When the construction site stops working for more than one hour, the switch box should be powered off and locked.

7. No sundries should be placed in the distribution box, and should always be kept clean.

8. No other temporary electrical equipment shall be attached to the distribution box.

9. When replacing the melt of the fuse, it is strictly forbidden to replace it with the melt that does not meet the original specifications.

10. The incoming and outgoing wires of the distribution box shall not bear external force. It is strictly forbidden to contact with sharp metal fractures and strong corrosive media.