What is the job of the weak current engineering department of the hotel?

Based on the above netizens' answers, the hotel weak electrician is a department that specializes in maintaining, transforming and updating all weak electricity facilities in restaurants. Telephone, television, network, broadcasting, monitoring and so on, these lines and equipment are owned by weak electricians. More daily work is: telephone connection, and a hotel with a conference provides projection, video recording, microphone, lighting and other services for the conference.