The choice of socket should be based on its surrounding environment
for different voltage level of the socket, should be used in line with the voltage level and different types of products to prevent the plug into the different voltage level socket.
for the plug power supply when the risk of electric appliances (such as washing machines, etc.), should be used to switch off the power socket with a switch.
dry place, should adopt the general type socket. When you need to plug in with a protective line of electrical appliances, should be used with protective wire contacts socket.
restaurants, cafes, etc. should be equipped with ground socket and light advertising socket; Equipped with cleaning equipment and so on.
