Underground Residential Distribution Systems

SKU: TDUDS00CENDuration: 60 Minutes

The purpose of this course is to teach how underground residential distribution (URD) systems are connected along with the basic components they contain. The course covers the basic principles of installation and routine maintenance. It also demonstrates basic switching operations. At the conclusion of this course, participants should be able to identify common types of URD systems. They should be able to list and identify common components of a URD system and describe typical routine maintenance tasks. They should also be able to describe switching in a loop system to isolate components without interrupting customer service.

Course Details


Training Time: 60 minutes

Compatibility: Desktop Only

Based on: Industry Standards and Best Practices

Languages: English

Learning Objectives

  • Types of URD Systems
  • Identify the source of power for a typical URD system.
  • Describe general equipment and design considerations associated with URD systems.
  • Describe the following types of URD system designs: radial feed, loop feed, and double feed.
  • URD System Components
  • Recognize and identify various types of URD system equipment.
  • Describe the functions of potheads, switchgears, transformers, and protective devices commonly found on URD systems.
  • Cables and Terminations
  • Recognize and identify different types of cable used in URD systems.
  • Recognize and identify different types of cable terminations used in URD systems.
  • URD Equipment Installation
  • Describe methods of installing URD cable.
  • Describe methods of installing URD equipment.
  • URD System Maintenance
  • Describe procedures for checking equipment in an open loop URD system.
  • Equipment Operation
  • Demonstrate the flexibility of a URD system by isolating various components of the system without interrupting service to customers.
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