With the rapid development of communication and power technology in China, especially in recent years, the rural power grid reconstruction plan has expanded the market of XL distribution cabinet and distribution cabinet.

When operating all or part of the live boards, the maintenance equipment shall be separated from the operation equipment with obvious signs. The secondary winding equipped with current transformer and voltage transformer shall be properly and reliably grounded.

When working on the secondary circuit of the current transformer, the following safety measures should be taken: it is strictly forbidden to disconnect the current circuit. In order to reliably short circuit the secondary coil of the current transformer, short circuit strip and short line must be used, winding is forbidden, and any work on the circuit and conductor between the current transformer and the short circuit terminal is forbidden.