Klein Tools VDV500-820 Cable Tracer with Probe Tone Pro Kit for RJ11 and RJ45 Cables

TLDR Review: Klein Tools Cable Tracer VDV500-820

Published: June 30th, 2025
Last Updated: July 18th, 2025

Pros

  • Performs well for tracing low voltage wires as advertised.
  • Effectively identified and isolated a 14 gauge Romex wire and specific pairs in a bundle.
  • Comparable performance to more expensive brands providing significant cost savings.
  • Includes a case for convenient storage and transport.
  • Highly effective for tracking down shorts, even in challenging environments.
  • Useriendly and easy to operate, with great tone and signal quality.
  • Successfully traces signals from bell wires and transformers.
  • Able to filter out static from other electrical devices, maintaining clear signal quality.

Cons

  • Struggled with detecting signals on long runs of CAT5 and CAT6 cables.
  • Toner and detector sometimes failed to work effectively, even on short cable runs.
  • Issues with batteries supplied; recommended to use Copper Top batteries instead.
  • Battery contact springs are thin and not robust.
  • No instructions included; requires online search for documentation.
  • Not recommended for professional wiring and maintenance due to reliability issues.
  • Interference from parallel wires leads to inaccurate readings.
  • Lacks intuitive operation and comprehensive manual, making it challenging for beginners.

Bottom Line

The Klein Tools VDV500-820 Cable Tracer performs well for basic wire tracing needs and offers significant cost savings compared to more expensive brands. However, reliability issues, particularly with longer CAT5 and CAT6 cables, suggest it may not be suitable for professional use. For those new to cable tracing technology, the lack of intuitive operation and detailed instructions could prove frustrating. If you're seeking a professional-grade tool with reliable performance across a broad range of applications, consider alternative options.

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