Description
POLYCAB 0.5 MM X 50 PAIR JELLY FILLED ARMOURED TELEPHONE CABLE
Description
Solid Polythene Insulation Copper Conductor, Jelly Filled, Core Wrapped Polyester, Moisture Barrier Polyal Screened, Black Polythene Inner Sheath , Double Steel Tape Armoured , Black 03C Polythene Outer Sheathed Under Ground Armoured Telecom Cable As Per GR/CUG-01/03 Aug 2003.
Construction
| Conductor |
Copper Conductor |
| Insulation |
Solid Polythene |
| Twinning |
Two Insulated Conductors Uniformly Twisted Together To Form A Pair So As To Minimize Cross Talk. Each Pair Having Different Lay Length Not Exceed 100 Mm. |
| Filling Compound |
Petroleum Jelly Is Used As A Filling Compound Having Permittivity Less Than 2.30. Jelly Should Be Non Toxic Odorless, Non Hazardous And Water Proof. |
| Sheath |
Black LDPE |
| Bedding Tape |
Two Black HDPE Tape Shall Be Applied Helically On The Inner Sheath |
| Armouring |
Double Galvanized Steel Tape Armour |
| Jacket |
Black LDPE |
| Standard |
TEC/BSNL SPEC. NO GR/CUG-01/03AUG.2003 |