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1) Before using the power supply, first determine whether the input and output voltage specifications are consistent with the nominal value of the power supply used;
2) Before powering on, check whether the input and output leads are connected correctly, led power supply adapter so as not to damage the user equipment;
3) Check whether the installation is firm, whether the installation screws are in contact with the power board components, and measure the insulation resistance of the casing and the input and output to avoid electric shock;
4) In order to ensure the safety of use and reduce interference, please ensure that the grounding terminal is reliably grounded;
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