The maintenance time of distribution room in residential area depends on the situation. It is generally recommended to carry out maintenance inspection at least once every * * months and make records. The following are some common maintenance items:

1. Grounding test of busbar and switchboard: it is recommended to carry out maintenance once a year.

2. Operating mechanism and load switch of high-voltage distribution cabinet: it is recommended to carry out maintenance once every six months.

3. Ancillary facilities: It is recommended to carry out maintenance once a month.

In addition, if the equipment is abnormal or damaged, it should be repaired immediately to ensure the stable operation of the power system.