10 pair jelly field telephone cable...
10 pair jelly field telephone cable armored
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This specification details the construction of buried filled telecommunications cables.
The conductors are solid copper, covered with a foam plastic insulating compound
and a thin layer of solid plastic as skin. The insulated conductors are twisted into pairs
which are stranded into subgroups or groups and which in turn are assembled into a
cable core. A moisture resistant filling compound surrounds the insulated conductors
and fills the interstices between pairs and groups. After the core is wrapped, the cable
structure is completed with Aluminum, LDPE jacket, steel armoring and final LDPE
jacket. The cable is fully color coded so that each pair in the cable is Distinguishable
from every other pair. The color coding provides different color combinations of
insulation for each pair in a 25 pair group or (subgroup) and provides colored
bindings to distinguish individual groups from each other.