Is fiber optic cable suitable for fire communication lines

Fireproof fiber optics are specialized cables engineered to withstand high temperatures and resist fire propagation. The purpose of a fire rating is not to improve transmission performance. In addition, also with water spray and. The first UL flame-listed optical cable designed for both indoor and outdoor use in critical communication and emergency systems that must remain operational during a fire. They are mainly installed in metro stations, tunnels, oil & gas. [pdf]