[Xinfuda Electric] An article to guide you: How to safely handle a power distribution box leakage?

Electric leakage in a distribution box is a serious electrical safety hazard, and it must be handled with utmost safety. Here are some safe steps and measures for dealing with electric leakage in a distribution box: 

I. Immediately cut off the power 
Cut off the power: When there is suspicion of a power distribution box leakage, the first step is to immediately disconnect the power supply to avoid the risk of electric shock. This can be achieved by cutting off the upper-level power switch of the distribution box. 
Warning Signs: Place warning signs around the electrical distribution box to remind others to keep a distance. 

II. Inspection and Testing 
Appearance inspection: After powering off, inspect the appearance of the distribution box and its internal electrical equipment, paying attention to any signs of burning, unusual odor, or deformation, which may indicate electric leakage. 
Using a leakage detector: A leakage detector is a specialized tool designed to detect electrical leakage, enabling quick and accurate assessment of the leakage situation. By bringing the detector's sensing head into contact with the cable or the casing of an electrical appliance, one can observe the readings displayed by the instrument to confirm the location and extent of the leakage. 
Using a multimeter: A multimeter can measure current and voltage. By measuring the input and output currents of an electrical appliance, one can determine whether there is a leakage phenomenon. 

III. Specialized maintenance 
Seek the assistance of a professional electrician: If you are unable to address the electrical leakage issue on your own, it is recommended to seek the assistance of a professional electrician. A professional electrician possesses the necessary electrical knowledge and skills, enabling them to accurately diagnose the problem and implement effective repair measures. 
Avoid handling without authorization: Do not disassemble the electrical distribution box or attempt to repair electrical leakage issues without authorization, to prevent electric shock accidents. 

IV. Preventive Measures 
Regular inspection: Conduct regular patrols and inspections of the electrical distribution box, and promptly address any issues found. The inspection should include checking whether the insulation layers of cables and plugs are aged or damaged, and whether there are any debris or dust inside the distribution box. 
Maintain dryness: Ensure the surrounding environment of the electrical distribution box remains dry to prevent moisture from affecting the electrical equipment. 
Use qualified electrical appliances: When purchasing electrical appliances and cables, choose brands with guaranteed quality and ensure they comply with national standards. 
Installing a leakage protector: Installing a leakage protector in the electrical distribution box can automatically cut off the power supply in case of a leakage, ensuring safety. 

V. Record and Summary 
Record the event: Record the leakage event, including the time, location, cause, and handling measures. 
Lessons Learned: Analyze the causes of the electrical leakage incident, summarize the lessons learned, develop improvement measures, and prevent similar issues from occurring in the future. 
In summary, addressing the issue of electrical leakage in distribution boxes requires the implementation of a series of safety measures, including immediate power shutoff, inspection and testing, specialized maintenance, preventive actions, as well as record-keeping and summarization. The execution of these measures can mitigate the risk of electrical leakage, thereby ensuring the safety of personnel and equipment.

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