PVC
INSULATED AND
SELF-SUPPORTED TELEPHONE
DROP-WIRE
S-S DROP WIRE
Identification
Marker : Shall be marked with manufacturer's
name or trade mark year of manufacturer size
of drop wire.
Conductor
Diameter
and No. of Core/Pair
Overall
Dia.
Approx.(mm)
Cable
Weight Approx.(kg/km)
Standard
Length
(m)
0.65
MM. x 2C
7
42
200
0.9
MM. x 2C
8
52
200
0.65
MM. x 2P
8
58
200
0.9
MM. x 2P
9
80
200
Remark :
Further length can be cut to request customers
CONSTRUCTION
S-S
DROP WIRE ( TWO - CORES )
S-S
DROP WIRE ( TWO - PAIRS )
Conductor
Solid
annealed copper wire 0.65 and 0.9 mm.
(22,19 AWG) in size.
Solid
annealed copper wrie 0.65 and 0.9 mm.
(22,10 AWG) in size.
Insulation
Polyvinyl
Chloride insulation coloured black
Polyethylene
insulation
1st
Pair Insulation
2nd Pair Insulation
–
White
/ Blue
White / Orange
Jacket
–
Polyvinyl
Chloride coloured black
Support
wire
Support
wire shall be of round steel wrie and zinc
coated Diameter 1.2 +0.04 mm.
Support
wire shall be of round steel wire and zinc
coated Diameter 1.2 + 0.04 mm.
Assembly
Dropwire
shall be integrally of two paralled pvc insulated
copper conductors and a pvc sheathed supporting
steel wire. One of the insulated conductor
shall be ridged for polarity
–
ELECTRICAL
CHARACTERISTICS :
S-S
DROP WIRE ( TWO - CORES )
S-S
DROP WIRE ( TWO - PAIRS )
Conductor
resistance at temp. 20 oC
0.65
mm. =
57.1
Ohm/km
0.90
mm.
= 28.5 Ohm/km
Conductor
resistance at temp 20 oC
0.65mm.
= 57.1
Ohm/km
0.90
mm.
= 28.5 Ohm/km
Insulation
resistance at temp. 20 oC
with
DC. potential of 500 Volt.
Min
= 400 Meg. Ohm - km
Insulation
resistance at temp. 20 oC
with
DC.potential of 500 Volt.
Min
=1,000 Meg. Ohm - km
Dielectric
strength with DC voltage (1 minute)
Immersed
in water 4 Hrs. (DC.) = 4.5 kv.
Dielectric
strength with DC voltage (3 seconds)
=
1.5 kv.
