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Triplett® Fox and Hound HotWire Live Wire Toner Probe Kit - 3388

Kit Includes Fox HotWire Tone Generator & Hound HotWire Probe

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Triplett® Fox and Hound HotWire Live Wire Toner Probe Kit - Features

With this Live circuit tracing kit, you can confidently identify and trace powered and unpowered wires, lines and cables in your residential and commercial facilities. The Fox tone generator is great for low-voltage and high-voltage lines, while the Hound probe features an LED light for a comfortable view in low-light conditions.


  • Kit features a Fox HotWire tone generator and a Hound HotWire inductive amplifier probe to perform live circuit tracing
  • Fox HotWire generates pulse or warble tones, provides a visual and audible continuity test and offers True Trace and TripLatch tests
  • Fox is ideal for tracing low-voltage lines and toning high-voltage lines
  • Hound HotWire is a handheld probe and features a built-in LED headlight for tracing in low-light conditions
  • Hound is equipped with a bandpass filter to eliminate unwanted frequencies, and you can precisely listen with the earphone jack
  • Built to handle both 120 and 220 VAC circuits
  • Fox delivers an RF tracing signal to the wire along the length of the wire, while the Hound senses the RF signal to identify the path to the user
  • Can be used to identify powered or unpowered lines, such as telephone, cable TV, LAN, security system and other wires and cables


  • Residential
  • Commercial
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Product Details

The Fox HotWire is powered by a 9 volt battery for Low Voltage tracing or it can be powered by the High Voltage line it is toning. It can generate multiple tones (Pulse or Warble), provides a visual and audible continuity test, and integrates our own True Trace and TripLatch tests while providing overload protection up to 250 VAC. The Hound HotWire is a battery operated handheld lightweight Probe; containing both a thumbwheel Sensitivity control and Signal Strength indicator LED. It has a built-in LED headlights to illuminate dark areas and reduce fluorescent light noise, a bandpass filter to suppress unwanted frequencies, an earphone jack for noisy or quiet work areas, and an easy access battery cover. The HotWire can also trace other powered or unpowered common wires including telephone and cable TV wires, LAN cables, security system wires, and many others. The HotWire Fox also includes a very useful feature called TrueTrace. The HotWire‘s RF signal can be sensed through both building materials and most metal conduit. The HotWire can even trace shallow (up to 6" deep) underground wires, like those commonly used for ‘Invisible Fences’, cable television, telephone, or low voltage landscape lighting. Complete with test leads (24" and 60"), flat blades, pointed probes, alligator clips, hard carrying case and batteries (2-9V)

Product Specifications

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Hound HotWire Fox HotWire
Operating Frequency (RF): 400KHz to 500KHz Operating Frequency (RF): 400KHz to 500KHz
Signal Indicators: Speaker outputs Tracer Signal and LED indicates signal strength Operating Frequency (AF): 800Hz to 2400Hz
Earphone Jack: Accepts 1/8” mono or stereo earphone plug, 8 Ohms to 50 Ohms. Automatically mutes speaker Output Voltage (RF): adjustable from approx. 5Vpp to 30Vpp (open circuit)
Headlights: 2 High Brightness White LEDs Output Voltage (AF): fixed, approx 10Vpp (open circuit)
Speaker: Rugged 1.5” Mylar Cone with Alnico Magnet Tracer Tone: Warble or Pulsed, High or Low Pitch
Thumbwheel RF Sensitivity adjustment TrueTrace: Tracer Tone changes Cadence (from approx 2Hz to approx 7Hz) when leads are ‘shorted’ by less than 1,000 Ohms
Power Switch: Pushbutton turns on HotWire Hound as long as the button is held in Continuity Test: Detects Continuity up to 5,000 Ohms, sounds beeper
Battery: 9 volt alkaline Voltage Test: Sounds beeper, Flashes LED
Battery Life: Approx 5 Hours continuous in Trace Mode when receiving signal, 25 Hours continuous when not receiving signal AC: Detects voltage from approx. 30VAC to 250VAC (50/60Hz)
Size: 1-7/8” dia at speaker, 1-3/8” dia at body, 7-1/2” long DC: Detects Positive applied to Red Test Lead from 40VDC to 250VDC
Weight: Less than 9 ounces including battery Acceptable AC (50/60Hz) or DC voltage on wire to be traced: 0 to 250V
  Safety: Designed to tolerate 250V AC/DC CAT II without damage
  Test Leads and Accessories:
  2' and 5' red and black test lead sets
  1 set of red and black pointed probes
  1 set of red and black flat probes. 1 set of red and black alligator clips. 1 set of red and black screw-on alligator clips
  Battery: 9 volt alkaline
  Battery Test: Flashes green LED to indicate good battery
  Battery Life: Approx 200 Hours in Trace Mode (Alkaline Battery)
  Self Powered Voltage Range: approx 30VAC to 250VAC, 60Hz
  Fuses: Two 0.5A / 250VAC, 5 x 20mm
  Size: 3 ½" x 4 ½" x 1 ½"
  Weight: Less than 7 ounces (including battery, not including test leads)

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Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

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