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1) Before using the rainproof 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 wires are connected correctly, so as not to damage the user's equipment;

 

3) Check whether the installation of the rainproof power supply is firm, whether the installation screw is in contact with the power board device, measure the insulation resistance between the shell and the input, and get an electric shock;

 

4) In order to ensure safe use and reduce interference, please ensure that the grounding terminal is grounded reliably;

 

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