Regulations for the annual inspection of high-voltage electrical equipment in distribution rooms
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Question: An expert came to my company for an inspection and raised the issue that the high-voltage electrical equipment in the power distribution room, such as high-voltage distribution cabinets, had not undergone annual inspections as required, but no evidence was provided. I checked the \"Regulations for Preventive Tests of Electrical Equipment\" (DLT 596-2021): regarding distribution rooms, **there are no requirements regarding inspection intervals. Preventive testing of high-voltage electrical equipment: 10KV indoor electrical equipment is tested every two years. No mandatory regulations for the annual inspection of electrical equipment in the distribution room were found.
Based on the information you provided, **there is no mandatory requirement for electrical equipment in the switchgear room to undergo annual inspections.** However, as personnel affiliated with the enterprise, it is necessary to conduct regular tests and inspections on high-voltage electrical equipment in accordance with the relevant requirements outlined in the preventive testing regulations for electrical equipment, to ensure its proper operation and safe use. In addition, companies can refer to relevant industry standards and specifications to establish an annual inspection plan for the electrical equipment in their distribution rooms, and promptly address and maintain any issues with the equipment, thereby ensuring the smooth operation of business activities and safe production. .
Relying on the presence of leaders from the Provincial Transportation Department during the inspection, the experts only raised questions without providing any evidence.
Is it necessary to hire a third party for the annual inspection of electrical equipment in the distribution room?
It’s not an annual inspection; it’s a preventive test. One can conduct it even without obtaining any qualifications； Small units generally lack the personnel with the necessary expertise and experience to conduct tests on their own.