What do you think when electrical equipment is operating with faults?

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The safe operation of electrical equipment is, of course, crucial for production within a factory. However, due to factors such as manufacturing processes, installation methods, operating conditions, fluctuations in the external power supply, and insulation degradation, there are often significant safety hazards. As an electrical professional, it is only natural that no safety accidents occur; however, once such an accident does happen, responsibility lies with the individual. The work pressure is high, so it’s a good idea to acquire more knowledge as a precaution. In light of this, a discussion thread is hereby created: What are your thoughts when electrical equipment operates with defects? 1. The transformer makes unusual noises, but no problems have been detected during operation; given the heavy production workload, it’s not possible to shut down the power supply casually. 2. Multiple transformers are located outdoors, and sudden accidents may occur one day due to weather conditions. 3. One of the switchgear units in this batch suddenly failed. 4. The cables have been in use in the cable trenches for too long, so it’s not safe to conduct voltage resistance tests on them. 5……