Module 4 could serve various purposes, depending on the design and requirements of the electrical setup. It might be designed for housing specialized switches, sockets, or other electrical devices. Alternatively, Module 4 could be intended for accommodating control modules, timers, dimmers, or other accessories necessary for the operation of the electrical system.
Overall, Module 4, like other components in the Havells GI Box range, enhances the flexibility and efficiency of electrical installations, allowing for easier organization and customization based on the specific needs of the application.