Working on De-energized Transmission Lines

SKU: TDWDT00CENDuration: 60 Minutes

The purpose of this course is to teach principles and practices for working safely on de-energized transmission lines. The course explains how a de-energized line could become energized if the proper safety practices are not followed. An approach to de-energizing, isolating, testing, and grounding a transmission line is presented. At the conclusion of this course, participants should be able to describe the dangers of a de-energized line's becoming energized. They should be able to describe how to safely de-energize, isolate, test, and ground a transmission line. They should also be able to describe or demonstrate how to use temporary grounds and personal grounds.

Course Details

Specs

Training Time: 60 minutes

Compatibility: Desktop Only

Based on: Industry Standards and Best Practices

Languages: English

Learning Objectives

  • De-Energizing, Isolating, and Tagging
  • Describe the general procedures for de-energizing, isolating, and tagging a transmission line.
  • Induced Charges
  • Describe how a de-energized line can become energized by magnetic induction.
  • Describe how a de-energized line can become energized by electric induction.
  • Static Charges and Ground Systems
  • Describe how a de-energized line can become energized by static electricity.
  • Describe three transmission grounding systems.
  • Describe how grounding minimizes the dangers of induced and static charges.
  • Describe how charges may continue to be present on a line at locations other than the point of grounding.
  • Field Clearance and Testing
  • Describe the general procedures for obtaining a clearance on a transmission line.
  • Describe how to test a transmission line to determine that it is de-energized.
  • Grounding
  • Explain why it is necessary to ground a de-energized transmission line.
  • Describe how to safely ground a transmission line.
  • Returning a Line to Normal
  • Describe how to safely remove grounds from a transmission line.
  • Describe the general procedure for releasing a clearance.
  • Describe the general procedure for switching a line back into service.
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