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Reference Standards - CW 1252 & 52-23 / 85 - TRC
| Sizes
Covered |
| 0.4 mm |
Upto 100 pair |
| 0.5 mm |
Upto 100 pair |
| 0.63 mm |
Upto 50 pair |
| 0.9 mm |
Upto 20 pair |
Cable Construction
| Aerial
Cables |
| Conductor |
Solid Annealed Bare Copper |
| Insulation |
Solid Polyethylene, coloured
as per specification |
| Units |
10/20 Pairs shall be laid up
to form a unit |
| Super Unit |
5 units of 10p/20p laid up to
form a super unit of 50p/l00p |
| Cable Core Laying |
10p/20p units/50p/100p super
units laid up to form a Cable Core |
| Jelly Filling |
Not Applicable |
| Polyester Taping |
Polyester tape applied longitudinally/helically
over the laid up core/cable |
| Screening |
PolyAl. tape applied longitudinally
over polyester tape with overlap |
| Self Suspension wires/strand
|
Galvanized steel wires as per
specification |
| Sheathing |
Not Applicable |
| Bedding |
Not Applicable |
| Armouring |
Not Applicable |
| Jacketing |
Polyethylene applies over cable
core & suspension strand in the form of 8 |
| CW1252 |
These cables are self-supporting for aerial
installations. Construction as per CW 1128 with the inclusion
of an integral steel support strands or caternary. The
cross section of these cables resembles a figure of eight.
| No.of
Pairs |
Conductor
Size
(mm) |
No.
& Normal
Dia. of
Strands (mm) |
Max.
Overall
Dia.(mm) |
Nominal
Weight
(kg/km) |
| 5 |
0.5 |
1/2.65 |
8.1 |
125 |
| 10 |
0.5 |
1/2.65 |
9.0 |
150 |
| 20 |
0.5 |
7/1.6 |
11.1 |
210 |
| 30 |
0.5 |
7/1.6 |
13.0 |
350 |
| 50 |
0.5 |
7/1.6 |
15.6 |
470 |
| 100 |
0.5 |
7/1.6 |
20.4 |
740 |
|
|
