... applications,direct buried,manholes 3. 24 to 144 fiber Fiber enclosure (fiber splice closures ,TYCO FOSC 400 B4)are widely apply ... in many applications(tap-off, expressed, branch, and repair)4. No special tools are needed to open the closure, and it ... )5. Insulation resistance: >2*104MΩ6. Voltage Strength: 15KV/1min, no arcover or breakdown7. Pressure in the water: 50m/72hours8. Splice ...