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FL-20A Fault Locator

The FL-20A is an automatic cable fault locator. Once connected by the operator, the FL-20A makes all necessary adjustments and determines the location of a failure. This removes the need for specialized training by operators and let anyone easily use the equipment.

Downloads & Questions

We often provide our spec sheets and manuals in multiple languages. Contact us to let us know what you need, and we will get it to you!

Technical Specifications

Major Features:

  • Identify Shorts/High Voltage Shorts/Opens

  • Fully Automated

  • Compact and Lightweight



Test Voltage Range


Test Frequency


Voltage Display

6-inch backlit color TFT touch screen

Accuracy 2% of reading

Fault Indication

Touch Screen Display

Fault Definitions

Open - A condition where a single conductor has no continuity from one end to the other

Metallic Short - Two conductors without insulation or. a conductor and a shield that physically come into contact with one another.

High-Voltage Short - Two conductors or a conductor and a shield which have no insulation between them but do not contact one another.

Power Requirements

100-240 volta AC, 50/60 Hz 2 amps

Output Power

6mA Maximum 

Equipment Accuracy

Better than 1% of total cable length (dependent on accuracy of actual cable footage and product uniformity).

Cable Loop Resistance

Metallic Short - 50 milliohms minimum

High-Voltage Short - 300 milliohms minimum

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