Depending on installation scenarios, Splice Closures are generally divided into two main categories: Horizontal Type and Dome Type. Both designs serve the same purpose but suit different network layouts. Some closures are designed for connecting several smaller cables to a larger one for breaking out the larger cable to. There are many possible ways to put two or more cables together or drop a single fiber at a location. It provides mechanical protection, environmental sealing, and internal fiber management for spliced optical fibers. They are applicable to situations such as overhead, man-well of pipeline, embedded situation etc.