The fiber closure is a sealed enclosure providing the functions of cable joint, branch and passive component integration in the telecom external network. Generally, it is divided into dome type and in-line type according to the shape and cable alignment. HI WIN’s HOSC1 closure is dome type with single-ended design. The dome and base are sealed with a clamp and cables with heat shrinkable tube. It is suitable for deployment in aerial, underground or direct buried environments.