In many power projects, the rainproof distribution board is indispensable. In the design, the rainproof distribution board can be divided into multiple levels of power equipment, which is mainly designed according to specific needs. The incoming and outgoing lines of the rainproof distribution board shall not be designed to withstand external forces, and shall not be in contact with sharp metal fractures and strong corrosive media to avoid electric shock accidents. In addition, the line overload protection and short-circuit protection designed in the distribution board are very important steps.

When using the distribution board, safety technical operation procedures are indispensable.

1. When working with all or part of the power on, there shall be obvious signs to separate the equipment from the operating equipment.

2. The secondary winding with current transformer and voltage transformer shall be reliably grounded.

3. These Measures shall be taken during the operation of the secondary circuit of the current transformer: it is strictly prohibited to disconnect the current circuit, and it is prohibited to work on the circuit and conductor between the current transformer and the short-circuit terminal. At the same time, the short-circuit piece and short-circuit line shall be used to ensure the reliable short-circuit of the secondary coil of the current transformer.