Before cleaning power distribution equipment, it is mandatory to cut off the power supply, verify that the equipment is completely de-energized, and wear appropriate protective gear-such as insulating gloves and safety footwear. For high-voltage equipment, prominent safety warning signs must also be posted to prevent unauthorized personnel from approaching, thereby ensuring that no electric shocks or accidents occur during the operation. The appropriate cleaning method should be selected based on the equipment's materials and component types. For metal enclosures and busbars, a clean dry cloth, brush, or compressed air may be used to remove dust and debris; direct wiping with water-based liquids should be avoided to prevent short circuits. Insulating components-such as switches, circuit breakers, and plastic or epoxy resin elements-should be gently cleaned of surface dust and stains using a dry, soft brush or a specialized insulating cleaner to avoid compromising their dielectric properties.
Particular attention must be paid to post-cleaning inspection and maintenance. Upon completion of the cleaning process, busbars, switches, and terminal connections should be inspected for any looseness or signs of oxidation, and proper grounding of the equipment must be verified. For equipment equipped with intelligent monitoring systems, sensors and monitoring modules should also be checked to ensure that the cleaning work has not adversely affected the equipment's normal operation. Regular cleaning of power distribution equipment not only extends its service life but also maintains its operational reliability and safety.
