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BSNL Spec. No. GR /CUG-01/03, AUG. 2003 COMMON |
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SOLID PIJF - Armoured Underground Cables |
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SOLID PIJF - Unamoured Underground Cables 400 prs, 800 prs, |
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CONSTRUCTION: Solid annealed copper 0.4, 0.5, 0.63 and 0.9 mm diameter |
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INSULATION: Solid PE |
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TWINNING: Two insulated conductors twisted into pairs |
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STRANDING: 10 Pairs shall be stranded together to form a group or 2 x 10 pairs |
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Shall be made in group inner. Cables up to 100 pairs are formed by groups. For cable core is formed by units. |
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FILLING: The water resistant Jelly-filling compound is applied to the air-space within the cable core |
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WRAPPING: Suitable material tape is applied on the cable core. |
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MOISTURE BARRIER: Poly Al tape of thickness ranging from 15 microns upwards. The metallic foil is applied longitudinally or helically with an overlap. |
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INNER SHEATH: Polyethylene, Black. |
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ARMOURING: Galvanized steel tape over bedding of two closed helical lapings of water proof cotton (or) polythene tape. JACKETING / OUTERSHEATH Polythylene Black |
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