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Cable Fault Locating 1 (Radar) - Instant Video

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Summary

When a fault occurs in a URD system, a number of troubleshooting techniques can be used to identify and isolate the problem. Sometimes, a capacitor discharge unit is used to locate a fault in a section of cable. In other situations, a troubleshooter uses a device called a radar cable fault locator to locate faults in the URD cable. This 39-minute video explains what a radar cable fault locator is, and how it works. It also explains how to interpret the information that a radar cable fault locator provides and describes how a section of URD cable is tested with a radar cable fault locator.

Training Sessions

Operating Principles – 7 minutes
Describes how a radar cable fault locator operates. Describes how the speed of a signal traveling in a URD cable can be affected by certain factors. Describes how a radar cable fault locator can be set to correct for factors that affect signal speed.

Wave Pattern Identification – 13 minutes
Identifies and describes the following wave patterns that commonly appear on a radar cable fault locator screen: normal wave pattern, open pattern, short pattern, shunt resistance fault pattern, series resistance fault pattern, splice pattern, and line tap pattern.

Controls and Instrumentation – 9 minutes
Identifies and describes the display and control features on a radar cable fault locator. Describes how a radar cable fault locator can be used together with a thumper to test a section of cable.

Testing a Section of Cable – 10 minutes
Describes one way to connect a thumper and a radar cable fault locator to test a section of URD cable. Describes how to test a section of URD cable using a thumper and a radar cable fault locator.

Item Code: RF1-IV
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