* series is a range of fiber optic splice boxes designed for protection of optical fiber cable splices in hazardous areas. Up to 8 splice trays are installed inside the sturdy GRP enclosure. The splice trays are according to DIN 47662 and Telecom standards, each tray can hold up to 12. Explosion-Proof Fibre Optic Termination Solution for Hazardous Locations Engineered for safety, reliability, and high-performance communication, the BXJ93 Fibre Optic Splice Box from Warom is purpose-built for fibre optic splicing and termination in Zone 1 and Zone 2 hazardous areas. Whether used. With the increasing digitization and requirement for high-speed networking, the Bartec Technor junction boxes for fiber optic signals performs dependably in the harshest of environments.