| Flame Retardant Grade | UL Standard | IEC Standard | EN Standard |
| OFNP / OFCP | UL910 | - | EN50289-4-11 |
| OFNR / OFCR | UL1666 | IEC60332-3 | EN50266 |
| OFNG / OFCG | UL1581 | IEC60332-1/2 | EN50265 |
| OFN / OFC | UL1581 | IEC60332-1/2 | EN50265 |
Since the optical fiber is made of glass, why should it be protected from water?
2024-07-02
When the optical cable is laid, there are two protection requirements for the fiber: less stress and waterproof.
Usually there are 4 waterproof barriers: Outer...
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