What are the five defenses against property?

1. Prevent misoperation and circuit breaker closing;

2. Prevent the disconnector from opening and closing with load;

3. To prevent live hanging (closing) grounding wire (grounding switch);

4. Prevent using grounding wire to send electricity;

5. Prevent entering the charging range by mistake.

Five-prevention usually refers to the abbreviation of five kinds of error-prevention functions for high-voltage electrical equipment in order to ensure personal safety, and is one of the important measures for power safety.

Legal basis: Article 2 of the Regulations on Property Management The term "property management" as mentioned in these Regulations refers to the activities that the owner selects a property service enterprise, and the owner and the property service enterprise repair, maintain and manage the house, supporting facilities and related sites in accordance with the property service contract, so as to maintain the environmental sanitation and related order in the property management area.