In the field of connector with waterproof performance, it is known that waterproof connector can be divided into waterproof plug and waterproof socket. They are like twins, they exist together. Generally speaking, only when they exist together and connect with each other can they play their role. Waterproof plug and socket inside the bedroom is not usually use ordinary plug socket, the sort of plug socket is not waterproof, of course, also does not need to be waterproof, they are provided in the general environment of use (such as indoor, most of the buildings, etc.), you can't use to come into contact with the water in the environment, or water will penetrate into the socket, electric safety accidents.