1) It should be checked whether the logo on the Piano-key Switch Mould is complete, whether it includes the company name, specification model, rated current value, power supply character symbol and related warnings, etc.

2) The corresponding Piano-key Switch Mould should be selected according to the power of the electrical appliance, and the two household appliances with higher power should not be plugged into the same socket.

3) After the plug is inserted into the Piano-key Switch Mould, it should have good contact, no loose feeling, and can be pulled out without too much effort.

4) Do not plug household appliances with high power into sockets with low rated current.

5) When the specifications and sizes of the plug and socket do not correspond, do not artificially change the size or shape of the plug.

Piano-key Switch Mould https://www.tangrammould.com/Piano-key-Switch-Mould.html