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An Overview Of Fibre Optic Cable Installations

By Guest

In general, fibre optic cable installations are performed in much the same way as is used to install regular copper cables. Although fibre cabling is usually stronger than copper cabling, great care should be taken to ensure that the recommended tension is not exceeded while pulling the line through the ducting. Generally, most outdoor cables are rated at 600 pounds. If a vertical installation is being performed placing clamps at regular intervals will ensure that the weight of the cabling will not exceed the maximum rating.

The cable’s strength material and fibre position should be identified so that an appropriate pulling method may be used. The pulling clamps may then be attached to this section so that the pull is exerted on the strongest part and will not place stress directly on the fibre.

Before commencing any work on an installation, the site should be surveyed to identify any potential problems such as whether the line will pass close to heavy machinery, or will be subjected to high temperatures. Cables with metallic connectors should not be located near power lines. Local building inspectors and fire marshals should be consulted to ensure the installation conforms to local regulations.

To make sure the wire is not damaged, the specification for its bend radius should be adhered to. When the line has been pulled into position, it can be bent as long as this does not exceed the radius specified, even for a ninety degree bend. Coiling or wrapping the line is permitted as long as the constraints on its bend radius are not exceeded.

The practice of allowing for extra wire at both ends of a run is advisable. This additional wire around cable vaults, junction boxes and spliced joints should be standard practice. Extra lengths of wire are useful if repairs or upgrades are later deemed necessary.

Pulling the line through the ducting before the connectors are attached is preferable to attaching them before commencing the pull. When the connectors are attached before, protecting the fibres from strain becomes considerably more difficult. When pulling cables in one direction only, the connectors can be assembled on the end not being pulled. It is advisable to seal the open end of the wire to prevent dirt and water from entering it.

Record keeping for fibre optic cable installations is of the utmost importance. This documentation will ensure that the installation has been carried out in the correct way and will simplify the process of tracking down faults as well as assist with any future upgrades. Recording the cable lot numbers and the test data pertaining to the before and after testing of the installation is essential.

Blown Fibre When pulling the cables it is important to never pull on the fibers but rather on the strength member. If a cable does not have these then you should not install it. The electrical power cables should be separated from the fiber light cables.

categories: cable,fibre optic,installation,services,home improvement,communication,electronics,technology

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Article Citation
MLA Style Citation:
Guest, Guest "An Overview Of Fibre Optic Cable Installations." An Overview Of Fibre Optic Cable Installations. 4 Oct. 2010. 23 Dec 2014 <>.

APA Style Citation:
Guest, G (2010, October 4). An Overview Of Fibre Optic Cable Installations. Retrieved December 23, 2014, from

Chicago Style Citation:
Guest, Guest "An Overview Of Fibre Optic Cable Installations"

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