1 logo and description; Prevent contact with live parts;
2. Startup of electrical appliances; Input power and current;
3 fever; Leakage current and electrical strength at working temperature;
4. Moisture resistance; Leakage current and electrical strength;
5 overload protection of voltage regulator and related circuits; Abnormal work;
6. Stability and mechanical hazards; Mechanical strength; Structure; Internal wiring;
7 power connection and external cord; Terminals of external conductors;
8. Grounding measures; Screws and connectors; Electrical clearance, creepage distance and solid insulation;
9 heat resistance and flame retardancy; Rust prevention.
I hope I can help you!