The main switchboard authorised persons only sign is an electrical and communication signage that indicates where the main switch board is located. Therefore it allows officials and maintenance personnel to know where to locate when needed.
This components primary purpose is to divide incoming electric power into smaller, separate circuits based on their current requirements. According to the load current, circuit breakers and over current protection devices are selected for each segment.
Main switchboard authorised persons only sign is required to be installed on commercial, retail and residential developments. Because this statutory signage indicates fire safety rules for both retail and residential developments and in accordance with the Building Code of Australia (BCA).