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Plenum Armored Fiber Cable

Plenum Armored Fiber Cable

Interlocked Plenum Armored Fiber Optic Cable provides for an extremely well protected cable package ideally suited for harsh environments. The plenum armored fiber cable design offers the system designer a product that can be installed in high traffic areas where added mechanical protection and security are required. Flexible interlocked plenum armored cable is also popular for retrofit applications and eliminates the need to install rigid conduit while still meeting building code guidelines.

According to National Electric Code (NEC), a plenum is a "compartment or chamber to which one or more air ducts are connected and forms part of the air distribution system." That is to say, as a plenum, the space above an acoustic tile ceiling would have to extend above other rooms in the same building or be open to ducts connecting it to other parts of the building. The concern is that during a fire, if there is burning material in a plenum air space, smoke and fumes can travel through air ducts to the whole building. For this reason, there are codes to restrict the types of materials (such as cables) that can be placed in the plenum.

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