Choose large supermarkets, official flagship stores, or formal authorized stores to purchase.
2. Look at the logo:
To check whether the product is marked with the company name, specification model, rated voltage, rated current value, power source symbol and related warnings, etc. 3C certification is the most basic safety certification for sockets. Do not buy sockets without 3C certification.
3. Look at the power:
Not all sockets are universal! According to the electrical power used, choose the matching plug and socket.
For example, household air conditioners, microwave ovens, ovens and other high-power household appliances should use 16A plugs and sockets; color TVs, household refrigerators, washing machines, rice cookers and other low-power household appliances can choose 10A plugs and sockets.
4. Try the tightness:
The plug should be in good contact after being inserted into the socket, without any looseness, and can be pulled out without too much effort. When the plug does not correspond to the specifications and dimensions of the wall socket, do not artificially change the size or shape of the plug; if the power cord or plug is damaged and needs to be replaced, please ask a professional to replace it.