Fiber Optic Splice and Joint Enclosure Box is a fiber management product typically used with outdoor fiber optical cables and underground fiber splice enclosure. Fiber joint box provides space and protection for the fiber optic cable splicing and joint. Fiber splice enclosure box is used for aerial, strand-mount FTTH "tap" locations where drop cables are spliced to distribution cables.
There are mainly two types of fiber optic cable joint box are available in Copperled, horizontal types and dome type (also called vertical type). Horizontal type fiber cable joint box is more popular than vertical type (dome type) closure. The capacity of splice is from 24 fiber to max 192 fiber.