Cable Pulling Basics
What should be used on all long vertical cable pulls?
Braking systems
Name one of the 3 most commonly used fish tape materials
Fiberglass, Steel, Nylon
Before starting a cable pull, make sure what is in working order
All communications equipment
Five wraps on the capstan will provide how many lbs of pulling force
512
One of the most common type of wire-pulling rope on the market?
Nylon
Mandrels should be approximately what percentage of the conduit size?
80%
The ideal device for lifting and transporting large cable reels
Forklift
Who is allowed to stop the pull at the first sign of danger to the cable, raceway system, or personnel?
Anyone involved with the pull
In general, the pull exerted on cables pulled through trays using basket grip should not exceed
1,000 lb
An important first step when planning and preparing for a cable pull
Measure the length of the run
Cable grips
The ends of 1,000 kcmil conductors can be trimmed using
Cable cutters
Never pull a ____ fish tape through or into enclosures or raceways containing an energized conductor
Conductive
In general, the sidewall load on any raceway run should not exceed
500 lb
Which factor determines the amount of force applied to a pull when using a power-operated cable puller (Greenlee G3)
The number of wraps on the puller capstan
The feed-in setup should unreel the cable how?
along its natural curvature
When one end of the pulling rope is attached to a cable grip; the other end is wrapped around the ____ at the cable puller
Capstan
When pulling cable with a capstan, what is the maximum pulling speed
40ft/min
What is the total pulling tension for a cable weighing 3lbs/ft through 200' of conduit with a coefficient of friction of .35
210
To ensure a raceway is not damaged, this if often done prior to pulling conductors
Test pull
What precaution should be taken with conductors when making a cable pull in extremely cold weather
Cable should be stored in a warm area overnight
This meter measures pulling force during a cable pull
Dynamometer
Where is the safest place to stand while operating a power-operated cable puller
Side of the machine
What is the maximum length of cable weighing 6 lbs/ft that can be pulled through a
degree bend with a coefficient of friction of 1.48 using equipment with a maximum pulling
force of 5,000 pounds?
563' (5,000=L x 6 x 1.48)
To prevent pulling rope from burning through, these are typically installed for underground conduit runs
Rigid 90's