Cable / Sheath Fault Locators & Thumpers

Cable locators are used for accurately identifying the presence of underground and overhead insulated line networks. They consist of receivers with signalling equipment and are suitable for use on high voltage systems.

Find out more about Cable / Sheath Fault Locators & Thumpers below.

HD Electric CFT-35 Cable Fault Tester
HD Electric CFT-35 Cable Fault Tester
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  • Use with two-stick voltmeter/ phasers to test the leakage current of underground primary voltage cables
  • 15kV, 25kV and 35kV Class
  • Test grounded electrical systems with a maximum line-to-ground voltage of 21kV
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Megger ESG NT2 Earth Fault Locator
Stock Due : Estimated 2-3 Weeks
Megger ESG NT2 Earth Fault Locator
£2,815.00
£3,378.00 inc. vat
  • Very easy operation
  • Power frequency mode for pinpointing
  • Automatic zero calibration, no adjustments necessary
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Megger 813178 GL 660-1 Earth Fault Locator Set
Megger 813178 GL 660-1 Earth Fault Locator Set
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  • Pulsed output current
  • Live voltages up to 660 V
  • Low-frequency signal
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BAUR Protac® Cable Sheath Fault Locator - Step Voltage Set
BAUR Protac® Cable Sheath Fault Locator - Step Voltage Set
£3,600.00
£4,320.00 inc. vat
  • Quick and accurate cable/cable sheath fault location
  • Clear and intuitive navigation to the fault in 3D view
  • Calculates and displays fault distances in real-time along with fault history
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EA Technology CS1 CableSniffer Drill System
Made To Order
EA Technology CS1 CableSniffer Drill System
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  • Detects faults in underground LV cables
  • High accuracy (within 1 metre)
  • Detects gases given off by faulty cables
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EA Technology CS2-DS CableSniffer
Made To Order
EA Technology CS2-DS CableSniffer
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  • Easy to use
  • Lightweight and portable
  • Minimal training required
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EA Technology CS2-SBS CableSniffer
EA Technology CS2-SBS CableSniffer
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  • Easy to use
  • Lightweight and portable
  • Minimal training required
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Megger DigiPHONE+2 Shockwave Acoustic & Electromagnetic Receiver - Choice of Set
Megger DigiPHONE+2 Shockwave Acoustic & Electromagnetic Receiver - Choice of Set
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  • Cable compass
  • Fault arrow
  • BNR - Background Noise Reduction
  • APM - Automatic Proximity Mute
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Megger MFM10 Mobile Battery Operated Sheath Fault Location System (Up to ± 10 kV DC) - Optional AF
Megger MFM10 Mobile Battery Operated Sheath Fault Location System (Up to ± 10 kV DC) - Optional AF
£13,360.00
£16,032.00 inc. vat
  • Test voltage up to ±10 kV DC
  • Easy Go test system
  • Pre-locate and pinpoint any detected faults
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Megger EZ-THUMP-4 Portable Fault Location System - 4kV, 15ft Test Lead
Made To Order
Megger EZ-THUMP-4 Portable Fault Location System - 4kV, 15ft Test Lead
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  • 4kV DC output
  • Cable fault location
  • Comes with 15ft test lead
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Megger EZ THUMP-12 Portable Fault Location System - 12kV, 15ft Lead
Made To Order
Megger EZ THUMP-12 Portable Fault Location System - 12kV, 15ft Lead
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  • DC testing to 12kV
  • Automated fault location
  • Wide range of advanced features
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Megger EZ THUMP-4 Portable Fault Location System - 4kV, 50ft Test Lead
Made To Order
Megger EZ THUMP-4 Portable Fault Location System - 4kV, 50ft Test Lead
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  • DC testing to 4kV
  • Portable design
  • Includes 50ft test lead
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Megger EZ THUMP-12 Portable Fault Location System - 12kV, 50ft Lead
Made To Order
Megger EZ THUMP-12 Portable Fault Location System - 12kV, 50ft Lead
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  • 12kV DC output
  • 50ft lead included
  • Portable design
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Megger HVB10 High Voltage Bridge - Optional Audio Frequency (HVB 10-1-AF)
Megger HVB10 High Voltage Bridge - Optional Audio Frequency (HVB 10-1-AF)
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  • Perform sheath testing
  • Reduce downtime
  • Standard and high-accuracy modes
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Megger EZ-THUMP 3kV Portable Fault Location System
Megger EZ-THUMP 3kV Portable Fault Location System
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  • Choice of cable length
  • ARM pre-location with Multishot Technology
  • 7” HiBrite colour display optimised for outdoor visibility
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BAUR Shirla Cable Sheath Fault Locator
BAUR Shirla Cable Sheath Fault Locator
£19,950.00
£23,940.00 inc. vat
  • Pre-locate and pin-point cable sheath faults/ cable faults caused by earth contact
  • Measure insulation resistance
  • Generate pulsed voltage up to 10kV
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BAUR Frida VLF Cable Diagnostics Test Set
BAUR Frida VLF Cable Diagnostics Test Set
£21,250.00
£25,500.00 inc. vat
  • Test the condition of medium-voltage cables and electrical equipment up to 20kV
  • Cable sheath testing
  • Dissipation factor and truesinus® indicates the ageing of cables
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BAUR Frida TD VLF Cable Diagnostics Test Set w/ Full MWT & Tan Delta
Made To Order
BAUR Frida TD VLF Cable Diagnostics Test Set w/ Full MWT & Tan Delta
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  • Full MWT combines cable testing and dissipation factor to evaluate cable insulation
  • Supports condition-based test duration for Full MWT
  • Dissipation factor and truesinus® indicates the ageing of cables
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BAUR Viola VLF Cable Diagnostics Test Set
BAUR Viola VLF Cable Diagnostics Test Set
£43,750.00
£52,500.00 inc. vat
  • Cable and cable sheath testing on electrical equipment and medium-voltage cables up to 35kV
  • Maximum test voltage: 42.5kVrms/ 60kVpeak
  • Voltage shapes: DC, VLF rectangular wave and truesinus®
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BAUR Viola TD VLF Cable Diagnostics Test Set w/ Full MWT & Tan Delta
BAUR Viola TD VLF Cable Diagnostics Test Set w/ Full MWT & Tan Delta
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  • Full MWT: combines cable testing with dissipation factor and partial discharge measurements
  • Truesinus® technology can be used with dissipation diagnosis to determine cable ageing
  • Maximum test voltage: 42.5 kVrms
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Megger ST16V2-M Smart Thump 16 V2 with Manual Mode
Megger ST16V2-M Smart Thump 16 V2 with Manual Mode
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  • Delivers 1500 J at 8/16 kV
  • E-Tray technology
  • ARC reflection MV cable pre-location
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Megger ST25-M Smart Thump 25-30 with Manual Mode
Megger ST25-M Smart Thump 25-30 with Manual Mode
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  • Delivers 1600 J at 12.5/25 kV
  • E-Tray technology
  • ARC reflection MV cable pre-location
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Megger 820022865 FaultSniffer Cable Fault Drill System
Megger 820022865 FaultSniffer Cable Fault Drill System
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  • No supply interruption
  • Fast and easy location of faults
  • Reliable avoidance of incorrect excavations
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Megger DigiPHONE+ Surge Wave Receiver
Made To Order
Megger DigiPHONE+ Surge Wave Receiver
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  • Receiver, transmitter and headset included
  • Automatic noise filtering
  • Accurate pinpointing with compass indicator
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About Cable Fault Locators

A cable fault location is required anywhere when the fault cannot be seen. The faults are typically damaged cables that affect the resistance in the cable. If allowed to persist, this can lead to a voltage breakdown. A multi-step process must be performed as safely and as quickly as possible to prevent customers from going without power.

In this category, we have an array of cable fault-locating instruments. Megger, EA Technology & BAUR offer the broadest selection of tools on this page. However, many other high-profile companies offer incredible alternatives enriching the scope of products available in this section.

Please utilise the Manufacturer and Price filter options to help you locate the instrument to suit your needs.