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Internet # 309927727

Model # VDV500-820

Store SKU # 1004537451

Tone & Probe PRO Electrical Wire Tracing Set, Batteries and Carrying Pouch

$99.97
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  • Includes Tone Generator and Wire Tracing Probe
  • Toner features 5 tone cadences
  • Probe features a work light for use in dark spaces
  • View More Details
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Return this item within 90 days of purchase.

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Product Details

About This Product

This kit includes the tools necessary to tone and trace wires in common wiring systems. This premium tone generator has Angled Bed of Nails (ABN) clips that securely grip the cable. Tone Generator emits five distinct tones. An RJ11 plug easily connects to telephone or RJ45 data jacks for toning. The toner, also checks continuity and polarity that are indicated by clearly labeled LEDs. The probe traces with the tones signal. The adjustable-volume speaker amplifies the tone. The 3.5 mm jack allows for headphones (sold separately) to be attached in noisy environments. The probe has a tool-less non-metallic durable replaceable tip. The probe enables testing in distribution blocks without disturbing other services.

Highlights

  • Includes a professional grade analog tone generator and tracing probe for open-ended, non-energized wiring
  • Toner-Pro features 5 distinct tone cadences, transmits 1,000+ feet
  • Rugged Angled Bed of Nails (ABN) clips securely attach to wires
  • RJ11 plug easily connects to telephone and RJ45 data jacks to tone wire pair
  • Toner-Pro tests for continuity and polarity with results indicated by clearly labeled LEDs
  • Probe-Pro features 3.5 mm headphone jack for noisy environments (headphones not included)
  • Responsive probe with durable non-metallic, replaceable conductive tip (VDV999-068) - sold separately
  • Work light on probe tip for use in dark spaces
  • Terminal block on probe to confirm the toned pair
  • Each tool includes 4X AAA batteries
  • Custom, padded, divided, zipper pouch for convenient storage (VDV770-500) included with kit
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Product Information

Internet # 309927727

Model # VDV500-820

Store SKU # 1004537451

Specifications

Dimensions

Product Depth (in.)

3.00 in

Product Width (in.)

7.00 in

Details

Electronics Included Components

No additional items included

Features

No Additional Features

Returnable

90-Day

Warranty / Certifications

Certifications and Listings

CE Certified

Manufacturer Warranty

Please refer to the attached warranty document in the Product Overview section above under Info & Guides

Questions & Answers

Can this product be used on unenergized romex wiring?
ByDec 4, 2025
1 Answer | 
Answer This Question

Yes, the Klein Tools VDV500-820 Tone & Probe PRO Electrical Wire Tracing Set can be used on unenergized Romex.

By|Dec 5, 2025
    0/0


    If I have an outlet in my home that has now power and don’t know which breaker it goes too cause panel is labeled wrong. Would I be able to trace the wires back to correct breaker??
    ByDec 1, 2025
    1 Answer | 
    Answer This Question

    While the Klein Tools Cat. No. VDV500-820 820 Tone & Probe PRO Electrical Wire Tracing Set will suffice, we recommend using a circuit breaker finder suck at Klein Tool ET310 Digital Circuit Breaker Finder with GFCI Outlet Tester, which is designed for this application.

    By|Dec 1, 2025
      0/0


      Will this trace a single electrical wire (10 gauge) in a bundle of electric wires(10s,12s,14s) from the outlet to the breaker
      BySep 10, 2025
      1 Answer | 
      Answer This Question

      Yes. Please note, the wire must be de-energized and you must be able to access the wire. For more information please see the Instructions/Assembly document under Additional Resources From the Manufacturer.

      By|Sep 10, 2025
        0/0


        Can it be used on 12-14 gauge house wires?
        BySep 3, 2025
        1 Answer | 
        Answer This Question

        Yes, the Tone Generator can be used on de-energized AC wiring.

        By|Sep 3, 2025
          0/0


          does it work with scout pro3
          ByJun 19, 2025
          1 Answer | 
          Answer This Question

          Yes

          By|Jun 19, 2025
            0/0


            Can it be used to detect a broken wire underground, and if so, how deep, will it detect
            ByApr 7, 2025
            1 Answer | 
            Answer This Question

            The Tone & Probe PRO Electrical Wire Tracing Set is not designed to trace underground wire. For tracing underground wire please see Klein Tools model # ET450

            By|Apr 8, 2025
              0/0


              Can I use this to trace 120 V ac house circuits !
              ByFeb 27, 2025
              1 Answer | 
              Answer This Question

              The Klein Tools Pro Tone and Probe Kit can be used on de-energized AC wiring. Please note, the wire must be de-energized and you must be able to access the wire. This Tone and Probe Kit is not designed to work through a wall.

              By|Aug 23, 2025
                0/0

                (1)

                How do I properly use this tool
                ByDec 23, 2024
                1 Answer | 
                Answer This Question

                Please see the Instructions/Assembly document under Additional Resources From the Manufacturer

                By|Jul 22, 2025
                  0/0


                  Viewing 1-8 of 80

                  Customer Reviews

                  4.5 out of 5

                  • 4.5 out of 551 reviews
                  • 92% recommend this product
                  Filter by:
                  Showing 1-10 of 551 reviews
                  This item came in handy to resolve an electrical issue I was having after replacing some switches in my bathroom. I had removed the two switches and couldn't remember which wires were the hot wires and which went to the lights/fan. I was able to use this tool to trace the wires and resolve that issue.
                  by
                  This customer chose to rate the product and not provide text.
                  by
                  QUITTER
                  From day 1 i experienced problems with this unit being too low in volume. I’m in the telecom field, so I’m often toning out cables, there have been instances where ive found the battery compartment to be corroded after normal storage conditions. Each time i wiuld clean the battery area and contunue working. it’s a great looking tool and very durable. However, now, after the fifth time of having to clean the battery compartment, both the generator and probes lights come on however, there is no tone being detected by the probe . the probe now does not receive a signal from the generator. I’ve since gone back to my fluke equipment. After wiping the leads off for the battery compartment and probe the thing now does not work. It has not worked since the 5th corrosion episode. Thhe lights come on the probe as well as the generator. However, there is no signal coming through no tone at all. I used my fluke probe with the Klein generator and they work tigether fine. The ussue is the klein probe no longer detects tone. I’ve been going back to my fluke and had no issues with it but I wanted to at least leave a review and let Klein know of a known Flaw ( corrosion). My Klein equipment now is just simply a nice paperweight.. I’m not happy about spending 80 bucks on something that has a flaw that they are aware of. I actually like the equipment but don’t want to spend money on buying a replacement probe fir $40.
                  by
                    • Recommended
                    3 found this review helpful
                    This tool has helped me find circuits that were dead by tracing them through walls, through ceilings, and under houses. It helped me find a piece of Romex that was cut in a wall. Just wish I had money to buy the better one, but this one works great.
                    by
                    • Verified Purchase
                    Helped me to locate wires behind the wall.
                    There were some 240 V wires in the breaker box. I used this Klein tracer tool to locate where the wires were originating from. It worked. I located the wires near an existing outlet. I removed the outlet box from the wall to access the 240 V wires. I was very happy with the outcome.
                    by
                      • Recommended
                      2 found this review helpful
                      Great pocket tool holder
                      This is a nice size holder for some small pocket tools to carry around. It seams to be made out of ballistic nylon. It has a nice divider inside the pocket pouch. The only thing that I think is cheap on the bag is the zipper that looks to be made of plastic and with a Klein name on the bag I would think it would have a metal or brass zipper on the item.
                      by
                      • Recommended
                      This is a very nice bag. I was surprised when I got it how nice it was. The zipper feels great,...
                      This is a very nice bag. I was surprised when I got it how nice it was. The zipper feels great, the fabric is thick and feels very durable. The divider is a nice thing to have in there as well. The bag also is padded to protect your tools even better. I'm using it for my scout pro 2 and all of its accessories. I know that's not exactly what it's for but it works well so I'm going to keep using it.
                      by
                      • Recommended
                      It is a pouch for Klein meters and accessories. While I do not have the specific items it was mad...
                      It is a pouch for Klein meters and accessories. While I do not have the specific items it was made for, a meter and test leads is what I use it for. It is divided internally, for meter+ leads. It is also made from synthetic plastic coated fabric, so it should be durable and reasonably water resistant. It is a Klein, and I have had good service from the fabric types. Time will tell.
                      by
                      • Recommended
                      Great quality pouch for many electronic devices. This padded pouch is made for the Klein PRO tone...
                      Great quality pouch for many electronic devices. This padded pouch is made for the Klein PRO toner set, however I found perfect use for it as a safe storage for my Car OBD II. The padded sides of the pouch help to protect the screen from getting scratched or damaged while the divider in the middle is perfect to separate the storage of accessories or manuals.
                      by
                      • Recommended
                      This zipper pouch bag is great. Small enough to put into a larger bag or tool box. Large enough t...
                      This zipper pouch bag is great. Small enough to put into a larger bag or tool box. Large enough to hold sensitive or more fragile tools or accessories. The bag is soft inside with a divider built in to help keep things from either banging together or scratching one another. The zipper is well constructed and seems like it will last a long time. Another quality item from Klein Tools!
                      by
                      • Recommended
                      Showing 1-10 of 551 reviews

                      Compare Key Features

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                      Product Snapshot

                      Ideal for tracing wires in common wiring systems with five distinct tones, continuity, and polarity checks. Great for professionals and DIYers.
                      Ideal for professionals testing voice, data, and video cables with included mapping remotes for easy identification.
                      Ideal for verifying USB cable functionality, including PD 3.0/3.1 and eMarker reading, ensuring optimal device performance.
                      Must-have for cabling engineers needing PoE, hub blink, and NCV detection with fault location up to 200m.

                      Cable Length Supported

                      1000+ ft.
                      2000 ft.
                      200 m

                      PoE Testing Capability

                      Display Type

                      LED
                      Backlit LCD
                      2.4 in. color LCD

                      Fault Detection

                      Cable Mapping