With the rapid development of optical communication, in various environments, more and more fiber optic cables are being used. What if in harsh circumstances? Then ensuring that your cables are operated smoothly and reliably when transmitting data is crucial. That’s where the armored cable comes in. An armored cable is protected from mechanical damage, as its name suggests, while an unarmored cable is not protected. What’s the difference from each other? And why should we select armored cable?
Many people may think that only metal protection is available for armored cable. It may be fiber yarn, glass yarn, polyethylene etc. To be precise, the armoring material does not have to be metal. The only thing that distinguishes armored cable from unarmored cable is that the former has an additional optical cable outer protective layer. The4-core armored cable tends to be more expensive than unarmored cable, while the steel strip and aluminumarmored cable are much cheaper than Kevlar’s armoredfiber cable, usually used for special occasions.
Armored cable is installed as an alternative to conducting in locations that are exposed to mechanical damage, such as on the outside of walls. Usually,Armoured cable has a small metal ribbon to ensure the safety ground’s electrical continuity. (You also have to run a separate ground wire in a flexible conduit; you cannot rely on the continuity of the conduit.) In the HT & LT distribution, you prefer 4 core armored cable. Instead, less expensive unarmored electrical cable can be installed inside walls and at other protected locations. Unarmoured cable is used primarily for control systems.
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