Fiber closure is used for connecting and protecting single core or bunch cables. It can be placed in underground, aerial, pedestal or direct buried, hand hole-mounting and duct-mounting applications. 3C3® fiber closures can improve the operation of your network communication system. Closure are available up to 576F, which can cover most of the applications in the long- distance transmission and local fiber distribution networks, like Fiber to the Home / Fiber to the Curb … (FTTH/FTTC).