Job Information Level 2: Lesson 11 Wire-Pulling Techniques

Question 1

What is the most important consideration when planning a large wire pull?
Select one:

a.
The number of workers required to complete the task.

b.
The proper materials required for the job.

c.
The proper personal protective equipment (PPE) and safety requirements for the job.

d.
The proper tools required for the job.

Answer 1

The proper personal protective equipment (PPE) and safety requirements for the job.

Question 2

In underground conduit applications, the cable should ? .
Select one:

a.
be listed for dry locations

b.
be listed for wet locations

c.
be thinner for easier installation

d.
not be rated for wet locations

Answer 2

be listed for wet locations

Question 3

When planning a wire pull, the ? determines the number of workers that will be needed to complete the job.
Select one:

a.
contractor

b.
manufacturer

c.
project supervisor

d.
welder

Answer 3

project supervisor

Question 4

Generally, what article of the NEC must be consulted to determine the allowable ampacity for conductors?
Select one:

a.
Article 100

b.
Article 250

c.
Article 300

d.
Article 310

Answer 4

Article 310

Question 5

A trouble-free installation can be achieved when using listed aluminum conductors with listed connectors.
Select one:
True
False

Answer 5

True

Question 6

Copper has a higher tensile strength than aluminum.
Select one:
True
False

Answer 6

True

Question 7

Which statements are true in terms of aluminum conductors?

I. They are typically compact stranded.
II. They are heavier than copper conductors.
III. They are lighter than copper conductors.
IV. They provide the same ampacity as a copper conductor when both are the same size conductor.
Select one:

a.
I. and II.

b.
I., II., and III.

c.
I. and III.

d.
III. and IV.

Answer 7

I. and III.

Question 8

High ambient temperature is not an important factor when determining the allowable ampacity of a conductor.
Select one:
True
False

Answer 8

False

Question 9

Voltage drop is an important factor to consider when determining the size of a conductor.
Select one:
True
False

Answer 9

True

Question 10

When calculating conduit fills, if there are more than two conductors, what percentage of the cross sectional area of the conduit is allowable if there are more than two conductors in the conduit?
Select one:

a.
31%

b.
40%

c.
53%

d.
None of the above

Answer 10

40%

Question 11

Generally, where in the NEC are fill capacities for conductors in conduit located?
Select one:

a.
Chapter 1

b.
Chapter 4

c.
Chapter 5

d.
Chapter 9

Answer 11

Chapter 9

Question 12

When selecting a cable puller, what are specifications to look for?
Select one:

a.
The ease of use.

b.
The rated continuous tension.

c.
The rated maximum pulling force.

d.
All of the above

Answer 12

All of the above

Question 13

Dual foot switches for wire pulling ? .
Select one:

a.
are rarely helpful on wire pulls

b.
can add a great deal of safety and communication to a wire pull

c.
requires four people to operate, therefore it is not cost efficient

d.
slows the wire pull down

Answer 13

can add a great deal of safety and communication to a wire pull

Question 14

The most common sizes for steel fish tapes are 1/8” and 1/4”.
Select one:
True
False

Answer 14

True

Question 15

What may be used in lieu of jack stands?
Select one:

a.
Concrete blocks.

b.
Job made tripod with a 2” EMT conduit.

c.
Nails driven into studs to hold the reel with a 2” rigid conduit.

d.
None of the above.

Answer 15

None of the above.

Question 16

Which statement pertains to pulling ropes?
Select one:

a.
They can stretch a great length without breaking.

b.
They have low breakage strength.

c.
They may come with a factory-spliced pulling eye.

d.
They never come with a factory-spliced eye.

Answer 16

They may come with a factory-spliced pulling eye.

Question 17

Conductors can be safely hooked to the rope by using pulling grips and pulling heads.
Select one:
True
False

Answer 17

True

Question 18

Swivels and clevises are used to ? .
Select one:

a.
connect pulling head and pulling rope

b.
connect the conductors directly to the swivel

Answer 18

connect pulling head and pulling rope

Question 19

What areas of the spreadsheet calculator must be filled in?
Select one:

a.
The green areas

b.
The purple areas

c.
The red areas

d.
The white areas

Answer 19

The purple areas

Question 20

What is used to proof and clean a conduit?
Select one:

a.
A cheese cloth.

b.
A handkerchief.

c.
A rag or sock tied to a string.

d.
A rubber mandrel and wire brush.

Answer 20

A rubber mandrel and wire brush.

Question 21

When using sheaves and rollers, they should ? .
Select one:

a.
always be placed at the bottom of the panel

b.
be sized no smaller than the minimum bending size radius of the conductor

c.
not be smaller than 10” in diameter

d.
not be smaller than 12’ in diameter

Answer 21

be sized no smaller than the minimum bending size radius of the conductor

Question 22

Before the pull begins, conductors must be checked for the correct size and type of wire for the job.
Select one:
True
False

Answer 22

True

Question 23

When terminating aluminum conductors, which of these methods are recommended?
Select one:

a.
Any type of connector can be used to terminate aluminum conductors.

b.
Return to the job in six months to retighten the set screws.

c.
Tighten the set screw connector as tight as possible before completing the job.

d.
Wire brush the surface of the aluminum conductor to remove any aluminum oxide barrier.

Answer 23

Wire brush the surface of the aluminum conductor to remove any aluminum oxide barrier.

Question 24

ID this

Answer 24

cable puller

Question 25

ID this

Answer 25

SIMpull Head pulling grips

Question 26

ID this

Answer 26

Dual Remote Foot Switch

Question 27

ID this

Answer 27

roller sheaves

Question 28

ID This

Answer 28

Swivels and Clevis