Cable pull materials equipment.
Cable pulling guidelines.
In our example we have used a cable grip.
When you pull a cable or individual conductors through a raceway bend or around a sheave sidewall bearing pressure swbp develops between the cable or conductor wall and the bend or sheave.
Thorne derrick international distribute the most extensive range of cable pulling cable laying equipment to enable the installation of low medium and high voltage power cables into underground trench or duct products also supplied for fibre optic blowing subsea trenching offshore umbilical installations and pulling armoured cables onto cable tray.
The rope on the other hand requires a perfect eye knot.
The fastening of the pulling rope to the cable must be undertaken with care to avoid losing the cable on the way.
See page 203 for proper pulling rope selection.
Please use the information in this guide as general guidelines only.
A variety of cable clamping fingers e g beckets pull socks is available on the market to secure the cable to the pulling rope.
General guidelines for cable pulling the following data is intended as a general guide to aid individuals with the installation of cables inside ducts raceways or conduit.
Rope is a very critical link in the cable pulling system.
The final step in the cable pulling process is determining whether the pulling tension will compromise the conductor s sidewall bearing pressure limit.
For telecommunications cables we recommend conductor pulling with a cable pulling head.
These recommendations are based upon a study sponsored by the icea insulated cable engineers association.
Fastening a pulling rope to a cable and this should be chosen to suit the cable type.
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Calvi electric company uses southwire a frame truck to facilitate a 1300 high voltage cable pull through a manhole system.
This guide is intended for users who have an understanding of the engineering fundamentals of power cable systems.
Cable pulling guidelines white papers the following data is intended as a general guide to aid individuals with the installation of cables inside ducts raceways or conduit.
At the other end of the cable pull a greenlee ultra tugger set up is located the average for this cable pull was 6 ft per second.
The information contained herein is not a comprehensive set of.
The combination of the rope eye knot and proper cable grip device along with an approved and rated shackle make for a typical ideal condition.
These recommendations are based upon a study sponsored by the icea insulated cable engineers association.
During the video you will observe the high voltage cable being taken up in sections.
