In certain situations, lamps could not just be manually switched OFF. Street lamps, for example, have to be automatically switch ON at twilight and OFF at dawn….What electrical utility firms usually do is to equip electrical lamps with automatic switching circuit that can be employee.
The NIGHT SWITCH circuit is a 100 percent solid-state switch without any moving parts or contacts. Thus assuring a reliable and maintenance-free operation throughout its useful life.
The following are NOT included –
*Convenience Outlet (optional)
*Ceramic base incandescent lamp socket
*AC Plug (for non-permanent installation)
*Housing (preferably heat resistant plastic w/ air vent)