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To estimate cable pulling tension, the coefficient of friction (COF) is a basic requirement. The cable jacket material and conduit or duct surface have a key influence on COF. High-performance cable lubricants effectively measure and lower COF. Proper cable lubrication lowers risk.

COF is used to predict force or tension on cable. When pulling wire or cable through a conduit, COF directly influences the pulling force applied to the cable to overcome the frictional resistance between the cable and conduit surfaces.

This range of COF 600 fibre cables (CW1853) is specifically designed and manufactured for installation into underground duct by the use of direct pulling techniques with a rope or glass fibre pulling rod. CW1853 cable is for use in transmission systems operating over the wavelength range 1260nm to 1625nm.

These COF 950 cables contain 12 to 144 single mode fibres within a non-pressurised Yellow Low Smoke Zero Halogen (LSZH) sheath.

COFICAB为当前应用开发汽车电线和电缆，但也为当今市场尚未需要的应用开发电缆。 COFICAB为研发分配了大量的人力和物力资源，以始终保持市场和客户需求的领先地位。 我们还为客户开发量身定制的电缆，并与客户合作开发定制电缆，例如，您可以在我们的产品页面的“定制”部分下看到。 COFICAB在突尼斯的研发中心位于迈杰兹巴卜，专门从事导体的研究和开发。 COFICAB在葡萄牙的研发中心位于瓜尔达，专门从事绝缘材料的研究和开发。 COFICAB在中 …

The best COF used to predict cable tension can be described as the effective COF. It considers all factors above: the materials, sidewall tension, and–of high importance–the lubricant used.

This COF 250 single mode fibre cable is specifically designed and manufactured for installation into congested underground duct using the inbuild FRP non-metallic rods, it is also suitable by direct pulling techniques with a rope or glass fibre pulling rod. This cable can also be fixed to wooden overhead telegraph poles.

This guide will assist you in selecting the most appropriate HV cable for your particular criteria or environment

Tratos CW1842 ultra-light weight COF 215 cables are specially designed for overhead use and meet or exceed the requirements of CW1842, they are fully compatible with Standard BT drop wiring practice.