Module Seven - Conductor Installations - NCCER Substation Slides

1. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Conductor Installations
Module Seven – 26206-11

2. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 1
Upon completion of this module, you will be able to do the following:
1. Explain the importance of communication during a cable-pulling
operation.
2. Plan and set up for a cable pull.
3. Set up reel stands and spindles for a wire-pulling installation.
4. Explain how mandrels, swabs, and brushes are used to prepare
conduit for conductors.
5. Properly install a pull line for a cable-pulling operation.
6. Explain how and when to support conductors in vertical conduit
runs.
7. Describe the installation of cables in cable trays.
8. Calculate the probable stress or tension in cable pulls.
Objectives

3. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 2
Under supervision of the instructor, you should be able to:
1. Prepare multiple conductors for pulling in a raceway system.
2. Prepare multiple conductors for pulling using a wire-pulling basket.
Performance Tasks

4. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 3 Figure 4 – Basic steps of a wire-pulling operation

5. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 4 Figure 5 – Wire-pulling equipment checklist

6. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 5 Figure 6 – Two methods of transporting cable reels

7. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 6 Figure 7 – Proper and improper ways of transporting cable reels

8. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 7 Figure 9 – Faults that may be detected with a conduit mandrel

9. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 8 Figure 11 – Obtaining the greatest possible conductor sweep in a pull box

10. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 9 Figure 12 – Power fishing system

11. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 10 Figure 13 – Blower/vacuum fish tape system used to blow a pull line in conduit

12. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 11 Figure 14 – Types of pistons in common use

13. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 12 Figure 15 – Various types of pulling grips used during conductor installation

14. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 13 Table 1 – Example Pulling Forces for Various Wraps

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 14 Figure 20 – Typical cable-pulling setup

16. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 15 Figure 21 – Unreel the cable along its natural curvature

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Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 16 Figure 22 – Cable feed-in setups

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Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 17 Figure 24 – Never allow a polygon curvature to
occur in a cable-pulling operation

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Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Education and
Research
Slide 18 Table 2 – Spacings for Conductor Supports in Vertical Raceways

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
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Slide 19 Table 3 – Physical Limitations of Cable

21. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 20 Table 4 – Angle of Bend vs. Coefficients of Friction

22. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Education and
Research
Slide 21 Figure 27 – Sidewall loading

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Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 22 Table 5 – Maximum Sidewall Pressures for Various Types of Cable

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Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 23 Figure 28 – Sample conduit run

25. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 24
Supplemental Art

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Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 25 Course Map

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Research
Slide 26 Figure 1 – Basket grip

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Research
Slide 27 Figure – Wire dispensers

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Research
Slide 28 Figure 3 – Multi-cable pull

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Slide 29 Figure 8 – Typical reel stands

31. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Education and
Research
Slide 30 Figure 10 – Devices used to inspect, clean, and lubricate raceway systems

32. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 31 Figure 16 – Power cable puller capstan

33. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 32 Figure 17 – Cable pullers

34. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 33 Figure 18 – Puller setup for a down pull

35. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Research
Slide 34 Figure 19 – Puller setup for an up pull

36. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
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Research
Slide 35 Figure 23 – Cable sheaves

37. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Education and
Research
Slide 36 Figure 25 – Conductors supported with wedges

38. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Research
Slide 37 Figure 26 – Typical cable tray cable-pulling arrangement

39. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 38 Figure 29 – Cable length meters

40. Copyright © by NCCER,
Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
for Construction
Education and
Research
Slide 39 Figure 30 – Circuit tester

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Published by Pearson Education, Inc.
Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Research
Slide 40 Nonconductive Fish Tape

42. Copyright © by NCCER,
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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
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Research
Slide 41 Measuring Tape

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
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Slide 42 Fish Poles

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
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Research
Slide 43 Grips and Swivels

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
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Slide 44 Guiding and Lubricating Conductors

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
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Research
Slide 45 Monitored Cable Pullers

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Research
Slide 46 Installation Aids

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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
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Research
Slide 47 Complex Installations

49. Copyright © by NCCER,
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Power Line Worker Level Two: Substation – Conductor Installations
Module 26206-11
National Center
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Education and
Research
Slide 48