Description
POLYCAB 0.5 MM X 50 PAIR JELLY FILLED UNARMOURED TELEPHONE CABLE
Description
Solid Annealed Copper, Polythene Insulated, Petroleum Jelly Filled With Poly-Al Laminate Moisture Barrier, Polythene Sheathed, Unarmoured Polythene Jacketed Telephone Cables As Per Dot/Polycab Specification.
Construction
| Conductor |
Copper Annealed Copper |
| 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. |
| Inner Sheath |
Black LDPE |
| Jacket |
Black LDPE |
| Standard |
TEC /BSNL SPEC. NO GR/CUG-01/03AUG.2003 |