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🔍 Find the hidden, avoid the costly—trace like a pro with Klein ET450!
The Klein Tools ET450 is an advanced circuit breaker finder and wire tracer kit designed for energized and non-energized circuits. It detects voltages from 12V to 480V AC/DC, traces wires through various materials including drywall and concrete, and provides both audible and visual signal feedback. The kit includes a transmitter, receiver, multiple lead adapters, alligator clips, and a durable carrying case, making it an essential tool for electricians and maintenance professionals seeking precision and reliability.












| ASIN | B09XG38XLP |
| Best Sellers Rank | 412,675 in DIY & Tools ( See Top 100 in DIY & Tools ) 499 in Circuit Testers |
| Brand | KLEIN TOOLS |
| Colour | Multi |
| Compatible Devices | Transmitter, Receiver, Blade and ground prongs, Alligator clips, 3-Foot and 20-Foot lead adapters, AC plug leads, Batteries, Instructions, Carrying case |
| Customer Reviews | 4.7 out of 5 stars 1,508 Reviews |
| Global Trade Identification Number | 00092644693380 |
| Included Components | Advanced Circuit Tracer Kit |
| Item Dimensions | 40.9 x 32.4 x 10.2 centimetres |
| Item Type Name | Building Material |
| Item Weight | 2 Pounds |
| Item dimensions L x W x H | 40.9 x 32.4 x 10.2 centimetres |
| Item weight | 2 Pounds |
| Manufacturer | Klein Tools |
| Manufacturer Part Number | ET450 |
| Maximum Operating Voltage | 480 Volts |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 12 Volts |
| Model Number | ET450 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Warranty | 1 year manufacturer |
| Specification Met | [Inferred] Meets Certain Specifications |
| Style | Classic |
| Style Name | Classic |
| UPC | 092644693380 |
| Upper Temperature Rating | 50 Degrees Celsius |
M**D
رائع
احنا شركة لصيانة مضخات المياه و التحلية الجهاز ممتاز لتتبع الاسلاك القديمة
G**Y
This is worth it!
This tool is a necessity for anyone working with electricity as it also works on live circuits. It will help you find hidden wires just about anywhere. One of the best cases was trying to find a ~20 year old buried cable outdoors where trees have grown up and the people that originally buried it must have been drunk because the line went in very odd multiple directions and power didn’t come out the other end about 300’ away. Turns out there was a buried splice in the ground about 1.5’ down where someone had spliced the line (went somewhere else into the back 40 🙄) only taped the connection (no marrets) and tried to encase it all in fiberglass 😂 I would never have found that without this tool. If you wanted to install lag bolts into a wall, the price of this tool for a one time use would be worth the cost to make sure a wire wasn’t in the way or you’d instantly be into more money to fix it if you needed to call an electrician to install a new wire.
C**M
Excelente Equipo para uso industrial o comercial. Muy sensible y ajustable. Utiliza 10 Baterias 2AA
Lo compre porque requiero un equipo que sea capaz de detectar y rastrear cables enterrados o en paredes, ademas de poder rastrear interruptores. Encontre este equipo, que si bien se puede utilizar para cosas caseras, por su precio y sensibilidad es mas bien para condiciones y trabajos comerciales o industriales. La sensibilidad es ajustable, pues como el generador de señal es muy potente, la señal puede difuminarse en interruptores o zonas adyacentes, pero para eso tiene un metodo de conexion que permite eliminar ligeramente la amplia distribucion de señal. El equipo se ve, se siente y tiene funciones avanzadas, es muy robusto, grande y a la vez facil de utilizar. Viene con varios accesorios para conectar el generador de señal a diferentes necesidades y su instructivo de uso es muy sencillo en caso que no hayas utilizado algun equipo similar. Lo que mas me gusto es que la potencia de señal es muy fuerte, tanto que pude rastrear cables hasta unos 50 cm de distancia y en otras condiciones hasta casi 1 metro. Lo que me gusto tambien es su robustes, es de uso rudo y de uso sencillo. Lo que no me gusto es la gran cantidad de baterias que utiliza, aunque lo usare con baterias recargables, viene con 10 baterias 2AA incluidas. Lo que no me gusto es que la sensibilidad sea ajustable manualmente y no de forma automatica segun se vaya acercando o alejando del rastreo objetivo. Pero en terminos generales estoy muy satisfecho con este equipo y definitivamente lo recomiendo.
A**R
Klein Tools ET450
The dust motes dancing in the afternoon sun always seemed to mock me, a visible representation of the frustration I'd been battling for months. I’m not one for writing glowing reviews—I usually keep my opinions to myself—but the sheer quality and engineering I’ve found in Klein tools have become impossible to ignore. They simply make things that are built to last, tools you can trust when the chips are down. And the chips were definitely down. The well on my property had been acting up for months, a source of endless headaches and low water pressure for my family of four. I’d brought in a parade of so-called "experts," well companies who offered plenty of expensive advice but no real solutions. Every single one was unwilling to put in the hours, to roll up their sleeves and truly troubleshoot the core problem. The consensus was grim: drill a new well. But I had a second, forgotten wellhead on the property. "Dry," they had all declared, or at the very least, "not enough to support a family." I couldn't shake the feeling they were wrong, but to prove it, I faced a daunting task: connecting the waterline and the electrical conduit—a challenging 71-foot run between that lonely wellhead and the main well house. I couldn't just tear up the driveway or risk severing other hidden power lines to the house. I needed to know exactly what lay beneath the soil. For a week, I was glued to my computer, diving deep into obscure well forums. It was there, amidst the threads of seasoned DIYers, that one name popped up: the Klein Tools ET450 Advanced Underground Circuit Breaker Finder and Wire Tracer Kit. The reviews were mixed, of course. Some users swore it was a toy, others claimed it only worked for short distances. But I was desperate and frankly, pragmatic. I'd been quoted $1,900 just for a specialist to identify the underground lines. I thought, for a mere $230, why not try this tool and educate myself? I pulled the trigger and waited. The day it arrived, I was ready to treat the frontyard like a construction zone. What I can say now, with absolute certainty, is that this tool is the REAL deal. It took patience, yes. I had to learn its language, finetune the sensitivity settings, and train myself to listen to its signals. But once I did, it performed a miracle. The ET450 didn't just help me locate one thing; it mapped out the entire subsurface puzzle. It identified the exact, safe path for the new waterline and, crucially, the existing electrical wiring, all buried three to four feet underground. Not only did it save me from a costly excavation disaster, it located wires twice—and these wires were hiding under concrete! The knowledge I gained and the confidence I built by doing the work myself were invaluable. But the true, stunning payoff? This little kit saved me from the grim fate the experts had predicted. I didn't have to drill a new well, nor pay for additional, unnecessary troubleshooting support. My total estimated savings: an astonishing $82,000. That's not just a review—that's a testament to good old-fashioned quality meeting modern engineering, proving that sometimes, the only expert you need is a determined person with the right tool.
D**T
Can you say perfect?
Finally mapped all my downstairs sockets to the outside fuses. All while leaving everything energized so nobody in the house complained. All the accessories you need for that are in this kit, a proper test lead with a normal electrical plug as well. Sensitivity adjustment works extremely well, and the correct breaker was identified every single time with no doubt whatsoever. Plus it does all the tracing on non-energized circuits as well. I had ordered 2 other tracers to see if I can save a few dollars, they both go back. This is as good as it gets, and given the completeness accuracy and convenience of using, actually a great deal compared to the cheaper ones. Quality is as good or better than Fluke. And then, there is this: Since 1857, Klein Tools has been manufacturing tools in America, and it’s as important for the Klein family to keep that tradition now, as it was more than 150 years ago. You see, Klein isn’t just the name of our company; it’s also our family name, so we have to be proud of everything we make. Klein Tools continues to invest in U.S. manufacturing and is committed to maintaining its place as the favorite among electricians. Klein is the only major tool manufacturer worldwide focused on electrical and utility applications. No other manufacturer of hand tools and related products used in electrical applications makes more items in America than Klein Tools. Why buy anything else?
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