The short answer is no - RJ45 connectors are designed for electrical Ethernet signals, while fiber optics transmit light pulses through glass or plastic. However, modern networks often combine both technologies. Running copper Ethernet cables and coax cables outdoors can put your entire home or office network at risk for power surges from lightning strikes. A single strike can trace its way through your home or office's coax and copper Ethernet network cables. A fiber optic junction box, also known as a fiber optic distribution box or termination box, is a protective enclosure that facilitates the connection and management of fiber optic cables. It is small, so it is considered a mini version of the optical distribution frame or optical distribution frame (ODF). The number of ports of fiber optic junction boxes ranges from 8. In network cabling, fiber optic cables are typically used for connections between outdoor buildings, while optical fibers are used inside buildings.