outdoor aerial triangle Drop Wire self supporting drop wire aerial telecom cable drop wire with messenger 2core SS telephone drop wire 0.64mm 0.8mm unshielded telephone drop cable
SS Drop Wire
The specification describes the construction and requirements of a single pair (two cores) self-supporting
drop wire cable having Solid annealed copper wire conductors insulated with black polyethylene.
CONDUCTORS
Each conductor in the drop wire cable shall consist of a Solid annealed copper wire of 0.64MM in size.
INSULATION
Drop wire shall be integrally of two parallel black polyethylene insulated Solid annealed copper conductors
and a black polyethylene sheathed supporting steel wire. One of the insulated conductors shall be ridged
for polarity as shown in figure 1.
The normal radial thickness of the insulation on each conductor and Support wire shall be not less than
1mm at any point as shown in figure 1.
A specimen of the drop wire when subject to this test shall not show any signs of cracking at 150°C.
ELECTRICAL PROPERTIES
The DC resistance of a conductor at 20°C shall not exceed 28.5ohms/km.
The insulation resistance between conductors shall be not less 25Mohm/km at 20°C.
The self-supporting drop wire shall be suitable for use at power crossings up to 650V.
Dielectric Strength of the insulated conductors shall withstand 10KV DC or 6KV rms in accordance with BS6004.
The DB loss shell not exceed 1db/km.
Support wire shall be of round steel wire and zinc coated. Diameter 1.2±0.04 mm.
Tensile Load must not less than 1.25KN equivalent to 128KG.
The minimum elongation at break shall be 3%.
The standard length per coil shall be 500 meters.
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| Manufacturer Introduction |
Zhuhai Surelink Communication Cable Co.,Ltd is one of the leading manufacturer in the cables
and telecom accessories. We have more than 20 years experience in this line.Our factory has over
twenty production lines and 300 employees.
Our productions comply with ISO9001.Professional team,powerful factory and strict quality control give
best service to our clients and the quality guarantee in every order.
Our products have been widely installed in Telecom companies and many distributors around the world.
We export to more than 70 countries and our annual revenue is more than hundreds of million USD.
We have established a close relationship with many companies around the world and we sincerely look
forward to woking with all clients from all over the world.
OEM and ODM order highly welcome !
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Payment
We usually use T/T
T/T deposit before production and balance when shipment.
Payment terms: Western Union, Escrow, Paypal, T/T ,L/C
Shipping
If the quantity of the order is not very big, we usually send by express delivery,such as TNT,DHL,UPS,
FEDEX or EMS.
For big order,we will ship the goods by air or by sea.
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