The final step in the cable pulling process is determining whether the pulling tension will compromise the conductor s sidewall bearing pressure limit.
Cable pulling guidelines.
Learn about time and cost saving cable pulling solutions speedpull.
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.
During the video you will observe the high voltage cable being taken up in sections.
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.
In our example we have used a cable grip.
These recommendations are based upon a study sponsored by the icea insulated cable engineers association.
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.
The information contained herein is not a comprehensive set of.
A variety of cable clamping fingers e g beckets pull socks is available on the market to secure the cable to the pulling rope.
These recommendations are based upon a study sponsored by the icea insulated cable engineers association.
This guide is intended for users who have an understanding of the engineering fundamentals of power cable systems.
Rope is a very critical link in the cable pulling system.
Please use the information in this guide as general guidelines only.
See page 203 for proper pulling rope selection.
Fastening a pulling rope to a cable and this should be chosen to suit the cable type.
The rope on the other hand requires a perfect eye knot.
For telecommunications cables we recommend conductor pulling with a cable pulling head.
Calvi electric company uses southwire a frame truck to facilitate a 1300 high voltage cable pull through a manhole system.
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.
Pull boxes 08 cable lubrication selection 09 installation in conduit 10 allowable tension on pulling device 10 maximum tension on cable conductors 10.
The fastening of the pulling rope to the cable must be undertaken with care to avoid losing the cable on the way.
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.
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