2. Prevent contact with live parts
3. Startup of electrical appliances
4. Input power and current
5. fever
6. Leakage current and electrical strength at working temperature
7. Moisture resistance
8. Leakage current and electrical strength
9. Overload protection of transformers and related circuits
10. persistence
1 1. Abnormal work
65438+
13. Mechanical strength
14. Structure
15. Internal line
16. Power connection and external wires
17. Connecting terminals of external wires
18. Grounding measures
19. Screws and connectors
20. Electrical clearance, creepage distance and solid insulation
2 1. 22 projects including heat resistance, flame retardancy and rust prevention.
If you want to know more information, you can consult Uni-Test.