specification covers the requirements for
polyethylene insulation alpeth sheathed cable,
intended for aerial installation by attachment
to a separate support strand. The cable shall
be used on subscriber and junction line.
CONSTRUCTION CONDUCTOR : Solid
annealed bare copper wire, 0.40,0.50,0.65
and 0.90 mm (26,24,22,19 AWG) in size. INSULATION : Color coded solid high
density polyethylene. TWISTED PAIRS : The insulated conductors
are twisted into pairs with specified color
combinations to provide pairs identification. CABLE ASSEMBLY : Cables having 25 pairs
and less are assembled in a single group .
Cables having more than 25 pairs are assembled
in units each being identification by color
coded unit binders. IDENTIFICATION TAPE : A tape, indelibly
marked with the following details, shall be
laid over the cable core or under the outer
lapping tape (nonhygroscopic dielectric material).
OPTION AND OTHER
b. Year of Manufacture
(Duration of two years)
Or the marking shall be printed on the outer
lapping tape. The marking shall appear at
intervals not more than 50 cm throughout the
cable length. CODE COVERING : Nonhygroscopic dielectric
tape. SHIELDING : A corrugated polyethylene
coated 0.2 mm aluminum tape is applied longitudinally
with overlap. OUTER JACKET : High molecular weight,
low or medium density polyethylene colored
black. LENGTH MARKER : Each length of cable
shall be permanently identified as, manufacturer
name, year of manufacturer, type and size
of cable, and sequencially number length.
The marking shall be printed on the outer
jacket. An alternate method of marking may
be used if acceptable to the CLIENT.