InDuct Aramid

All-dielectric outside plant (OSP) cable is typically deployed in ducts. It can also be lashed to a messenger wire for aerial installation and can be attached to bridges or the lining inside a tunnel. The NESC permits OSP cable to be run up to 50 feet inside a building.


Central strength member (FRP rod)


Optical fiber


Dry loose tube


Water-swellable yarns


Water-swellable yarns


Aramid yarns





All-dielectric design

Easy to install

Reduced weight and size

InDuct Aramid is an all-dielectric outside plant cable with up to 144 fibers. Its maximum rated design tension can be up to 607 lb and crush is 126 lb/in. It is UV-resistant.

This cable consists of a stranded core with a central strength member (FRP), dry loose tubes with optical fibers and PE fillers (where applicable). The stranded core is fixed by water-swellable yarns. Aramid yarns are laid over the stranded core.

Very important note: this InDuct Aramid cable has a very low level of rodent resistance. But it may be produced as a flame-retardant cable.

Typical application:

— It can be pulled into underground ducts and sewer pipes

— It can be installed along bridges, tunnels and other structures

— It can be installed into indoor/outdoor cable conduits and trays

— It can also be lashed

This aramid yarn fiber optic cable has a reduced weight and size, and it is easy to install.

Maximum rated design tension (MRDT) 899 lb (4 kN)
Crush 126 lb/in (0.22 kN/cm)
Fiber count, up to 72 (6x12) 96 (8x12) 144 (12x12)
Cable diameter, in 0.449 0.52 0.657
Cable weight, lb/ft 0.058 0.075 0.12
Minimum bending radius, in 6.7 7.8 9.9
Operating temperature -40°F ... +158°F
Installation temperature -22°F ... +158°F
Transportation and storage temperature -58°F ... +158°F
Minimum bending radius 15 x cable diameter
Design life 25 years

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