Railway Reference 0111/101463
CW1247 No.6 Drop Wire Applications
The drop wires are a railway tool designed for extending an open wire line or distribution pairs from a pole or cable terminal to a building. The drop wires are to be installed between the distribution point and telephone subscriber premises.
CW 1247 (Drop Wires No. 6)
Solid copper-covered steel of 0.81mm to BS 4807
Insulation: PVC to BS 7878 T1
Electrical properties
Nominal Conductor Diameter mm 0.81
BT Drop Wire Reference No.6
Conductor Size mm2 0.52
Minimum Insulation Resistance @500V DC M?.km 50
Minimum Insulation Thickness mm 0.8
Nominal Insulated Conductor Diameter mm 2.41
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