Module Four - Conductors and Cable - NCCER Substation Slides

100001797016261 29 views 47 slides May 02, 2024
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About This Presentation

Module Four - Conductors and Cable - NCCER Substation Slides

Size: 15.11 MB
Language: en
Added: May 02, 2024
Slides: 47 pages

Slide Content

Conductors and Cable Module Four – 82202-12

Objectives Upon completion of this module, you will be able to do the following: Identify types, sizes, and applications of conductors and cables. Interpret a cable drawing and schedule. Explain below-grade methods for installing cables.

Performance Tasks Under the supervision of the instructor, you should be able to do the following : 1 . Interpret a cable drawing and schedule.

Figure 1 — Comparison of AWG sizes

Figure 2 — Conductor size marking

Figure 3 — Strand configurations

Table 1 — Metric to AWG Wire Size Comparison

Figure 4 — Multi-conductor cables

Table 2 — Typical 12-Conductor Power Cable Color Scheme

Figure 5 — Instrumentation control cable

Figure 6 — Multi-conductor instrumentation cable with cable shield and shielded pairs

Table 3 — Insulation Coding

Figure 7 — Type MV cable

Figure 8 — Simplex and duplex fiber-optic cable cross sections

Figure 9 — Substation switchboard panel wiring diagram

Figure 10 — Terminal boards on switchboard panel

Figure 11 — Cable details

Figure 12 — Buried insulated cables and conduit drawing

Figure 13 — Drawing details and dimensions

Figure 14 — Drawing notes

Figure 15 — Feeder/branch circuit schedule

Figure 16 — Damaged direct-burial cable

Figure 17 — Buried cable trench detail

Figure 18 — Buried cable protection

Figure 19 — Buried conduit

Figure 20 — Duct bank

Figure 21 — Conduit spacers

Figure 22 — Manhole

Figure 23 — Cable trench

Figure 24 — Precast cable trench

Table 4 — Maximum Number of Conductors in EMT ( Data from NEC Chapter 9, Table C.1 )

Table 5 — Dimensions and Areas of Schedule 40 PVC Conduit ( Data from NEC Chapter 9, Table 4 )

Table 6 — Dimensions and Area of THHN Conductors ( Data from NEC Chapter 9, Table 5 )

Figure 25 — Fish tape

Figure 26 — Rodder

Figure 27 — Power fishing system

Figure 28 — Wire grip

Figure 29 — Pulling equipment

Figure 30 — Force gauge and chart recorder

Figure 31 — Reel cart

Feature — Measuring Tape

Figure 32 — Corner and exit points

Figure 33 — Crossovers

Figure 34 — Innerduct carrying fiber-optic cables

Figure 35 — Pull box dimensions

Supplemental Art

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