OPGW Joint Box OPGW joint boxs, also known as splitter boxes, are designed to accommodate core connectors to the outdoor intermediate fiber optic cable leading to the control room patch panel. Fiber core connectors are used to connect backbone fiber optic cables (such as OPGW) OPGW Joint Box The OPGW joint box is used to store the fiber core splices leading to the control room patch panel.The OPGW joint box is a key component in the installation and maintenance of OPGW cables, and is used to place, protect, and organize the splices or splices of the fibers within the OPGW cable. Huaneng OPGW joint box has the following characteristics. 1. The OPGW joint box supports, organizes and protects the optical fiber. 2. The OPGW joint box ensures that the minimum bending radius of the optical fiber is not exceeded. 3. The OPGW joint box has no sharp edges or protrusions that could damage the fiber optic cable. The OPGW joint box provides entry for all cables Includes numbered labels for tube and fiber identification. The housing is lockable. As a OPGW joint box professional manufacturer, supplier and exporter, Huaneng can support various sizes of metal junction boxes, and we can also customize them to your design.