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1. Notes on choosing a switching power supply??
2. Why do the power supply shut down during operation and after turning it off, It can restart the power supply again?
3.What is PFC??
4.During the operation of your power supply, there is some leakage current on the case. Is this normal? Will this leakage current hurt human body?
5.Why the input voltage marked on the spec. sheet is 88~264 VAC while the label on the power supply says that it is 100~240VAC?
6.Why the fan is not running after turning on certain models?