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Ideal SureTrace 61-946 Review: One-Person Circuit Tracing to 480 V

Circuit tracing is usually a two person job with a radio. The feature this tracer is built around is the part that removes the second person, and that is what justifies its place in a professional kit.

By the Akermin Editorial Team · 4 min read

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Ideal SureTrace 61-946 Review: One-Person Circuit Tracing to 480 V

Ideal Industries · Ideal Electrical SureTrace Digital Circuit Tracer (61-946)

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Price and availability are shown on Amazon and can change at any time.

Verdict

The Ideal SureTrace 61-946 is a professional circuit tracer rather than a breaker finder. The listing states tracing of breakers, conductors, fuses, dead shorts and splice errors in systems up to 480 V AC and DC including three phase, ETL certification to CAT III, four receiver sensitivity levels for working through drywall, cement block and underground, and CertainCircuit technology that confirms the correct circuit has been de-energised without a second person at the other end. That last feature is the one that changes how a working day goes.

Documented Specifications

Item Manufacturer listing
Systems Up to 480 V AC and DC, including three phase
Finds Breakers, conductors, fuses, dead shorts, splice errors
Certification ETL certified, CAT III
Receiver Four sensitivity levels
Materials Drywall, cement block, underground
One-person working CertainCircuit confirms de-energisation at both ends

Removing the Second Person

The conventional way to confirm you have found the right breaker is to switch it off and have somebody at the other end tell you whether the load went dead. That means two people, two radios and a lot of walking, and in a commercial building it can mean a long walk. If you are alone, the alternative is switching a breaker off, walking to the load, checking, walking back and repeating, which is how an hour disappears.

A tracer that indicates de-energisation at the panel end removes the walking and the second person. The listing describes exactly this, and for a sole trader or a technician working in a building where staff are busy, it is the practical difference between a job that takes twenty minutes and one that takes all morning.

Four Levels Because Materials Differ

A tracer signal has to get from a conductor to a receiver through whatever is in between. Plasterboard barely attenuates it. Concrete block absorbs a lot. Buried cable at depth, or a conductor inside a metal conduit, attenuates it severely and also spreads the signal to everything nearby. A single fixed sensitivity works in one of those situations and fails in the others.

Four selectable levels let you start high to establish that a signal is present at all, then reduce it until only the strongest response remains, which is the target. This is the same technique used with gas detectors and with breaker finders, and it is the difference between finding a conductor and finding the general area a conductor is in.

Tracing Dead Circuits Matters

Many tracers only work on energised circuits because they detect the field around a live conductor. That is useless during a rough-in, on a circuit that has already been isolated, or when the fault is precisely that the conductor is not live. A tracer that injects its own signal can follow a dead conductor, a spare, or a run that has been cut, and the listing’s mention of dead shorts and splice errors indicates fault finding rather than only identification.

Practical Notes

  • Confirm de-energisation with a separate rated voltage tester before touching anything, regardless of what any tracer indicates.
  • On three phase systems, be clear which conductor you injected on, since adjacent phases will show some response.
  • Underground tracing behaves differently from in-wall tracing; read the manual’s specific instructions rather than assuming.
  • Metal conduit and armoured cable shield the signal substantially. Expect reduced range and work at higher sensitivity.

Strengths

  • One-person confirmation of the de-energised circuit.
  • 480 V AC and DC including three phase, with an ETL certified CAT III rating.
  • Four sensitivity levels for different materials and depths.
  • Finds faults, not only identifies circuits.

Limitations

  • No range or accuracy figures published in the bullets.
  • Considerably more expensive than a domestic breaker finder.
  • Shielded and armoured runs limit performance, as with any tracer.
  • More tool than a homeowner needs for finding one breaker.

How It Compares

The Klein ET450 covers energised and non-energised tracing including underground, and is the closest competitor. The Tempo 501 Tracker II is specialised for buried conductors at depth. For simply identifying which breaker feeds a socket, the KAIWEETS KT301P costs a fraction as much. Our ranking is in the circuit breaker finder roundup.

How We Research

All figures come from the manufacturer listing. We did not run laboratory tests and publish no measurements of our own.

Ideal Electrical SureTrace Digital Circuit Tracer (61-946)

Ideal Electrical SureTrace Digital Circuit Tracer (61-946)

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Klein Tools ET450 Advanced Circuit Breaker Finder and Wire Tracer Kit

Klein Tools ET450 Advanced Circuit Breaker Finder and Wire Tracer

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TEMPO Communications 501 Tracker II Underground Wire Locator, Buried Wire Locator, Underground Wire Tracer, Locate Wires 7 Ft Deep (2026 Model)

TEMPO Communications 501 Tracker II Underground Wire Locator, Buried Wire

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Products shown because their documented specifications fit this guide. Price and availability are on Amazon and can change.

Frequently Asked Questions

What voltage can it trace on?

The listing states all electrical systems up to 480 V AC and DC, including three phase, and describes the tracer as ETL certified to CAT III.

What is CertainCircuit?

The listing describes it as technology that turns tracing into a one person job by visibly indicating when the correct circuit has been de-energised at the panel and at the other end of the circuit.

Why four sensitivity levels?

Different materials attenuate the signal differently. The listing names drywall, cement block and underground. Reducing sensitivity narrows the response so you can distinguish the target conductor from its neighbours.

Can it find a dead short?

The listing states detection of dead shorts and splice errors as well as breakers, conductors and fuses, which covers the fault finding cases rather than only identification.

Affiliate disclosure: Akermin earns a commission from qualifying Amazon purchases made through links on this page. Our editorial picks are based on documented specifications and owner feedback, not commissions.