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Klein Tools ET300 Circuit Breaker Finder / Receptacle Tester Finds Electrical Circuit Breaker of 120V Standard Electrical Outlet

4.4 out of 5 stars 1,468 ratings

Price: $29.99 & FREE Shipping. Details & FREE Returns
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  • This circuit breaker finder can find the corresponding circuit breaker of any 120V standard electrical outlet quickly, accurately, and automatically
  • Flashing arrow indicator for easy identification
  • Strong transmitter reaches distances up to 1000-feet
  • 90 to 120V operation
  • Microprocessor controlled for more reliable identification
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Frequently bought together

  • Klein Tools ET300 Circuit Breaker Finder / Receptacle Tester Finds Electrical Circuit Breaker of 120V Standard Electrical Outlet
  • +
  • Southwire 58292240 60030S Circuit Breaker Finder Adapter/Accessory Kit; Includes Alligator Clips and Light Bulb Circuit Adapter (Compatible with Southwire's 41210S Circuit Breaker Finder)
  • +
  • CaseSack Circuit Breaker Finder case for Klein Tools ET300 Circuit Breaker Finder and Southwire Adapter/Accessory Kit, Mesh pocket for other accessories as well, Compact and storage easy case
Total price: $53.83
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From the manufacturer

klein tools klein tools Klein tools Klein tools
Mfg. No. 5139PAD 69401 69407 69411
Description Padded Zipper Tool Bag Multimeter Carrying Case Tradesman Pro Carrying Case, Medium Circuit Breaker Finder Accessory Kit
klein tools klein tools klein tools Klein tools
Mfg. No. ET250 NCVT-4IR RT110 ET910
Description AC/DC Voltage/Continuity Tester Non-Contact Voltage Tester w/Infrared Thermometer Receptacle Tester USB Digital Meter and Tester, USB-A (Type A)

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Customer Rating 4.4 out of 5 stars (1468) 4.6 out of 5 stars (545) 4.1 out of 5 stars (68) 4.3 out of 5 stars (1120) 4.1 out of 5 stars (712) 4.7 out of 5 stars (1226)
Price $29.99 $38.51 $12.86 $40.81 $25.00 $9.97
Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping on your first order. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping on your first order. Details
Sold By Amazon.com Amazon.com Casesack Amazon.com TrueToSource US Amazon.com
Item Dimensions 0.00 x 0.00 x 0.50 inches 10.96 x 2.16 x 1.39 inches 6.30 x 5.12 x 2.76 inches 10.10 x 5.40 x 1.50 inches 5.91 x 0.94 x 0.79 inches 5.30 x 3.80 x 1.50 inches

Product description

Quickly, accurately, and automatically find the corresponding circuit breaker of any 120V standard electrical outlet with this digital circuit breaker finder. The flashing arrow indicator lets you quickly identify when you've got a hit. The strong transmitter reaches up to 1000 feet. The auto power-off feature saves battery life and gives you one less thing to worry about. 90 - 120V operation. Microprocessor controlled for more reliable identification. Does not require interruption of service; power can be left on. Auto power-off feature saves battery life. Accessory kit (Cat. No. 69411, sold separately) includes light socket adapter and alligator clip assembly. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.


Product information

Technical Details

Technical Specification

User Guide [PDF ]
User Manual [PDF ]

Additional Information

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Safety Information

Cancer and reproductive harm - See www.P65Warnings.ca.gov for more information.


Customer Questions & Answers

Customer reviews

4.4 out of 5 stars
4.4 out of 5
1,468 customer ratings
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Reviewed in the United States on May 12, 2016
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Reviewed in the United States on October 19, 2018
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Reviewed in the United States on September 16, 2017
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Reviewed in the United States on September 13, 2017
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Reviewed in the United States on July 8, 2018
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Reviewed in the United States on March 31, 2017
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Reviewed in the United States on December 2, 2016
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Top international reviews

L C
4.0 out of 5 stars It's work great, just need to read the instructions. Only one complaint ...
Reviewed in Canada on January 13, 2019
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4 people found this helpful
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A. Prigojine
4.0 out of 5 stars Good power outlet-to-breaker panel tracer by Klein.
Reviewed in Canada on March 9, 2016
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10 people found this helpful
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jack81
4.0 out of 5 stars Okay for average home owner
Reviewed in Canada on March 14, 2020
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One person found this helpful
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Oscar-Trekkie
1.0 out of 5 stars NO VALIDO PARA ESPAÑA/ EUROPA
Reviewed in Spain on October 28, 2019
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Jeptha Davenport
4.0 out of 5 stars On/off button sensitivity is a drawback during transport and use
Reviewed in Canada on November 2, 2019
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One person found this helpful
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Mitchell Heinricks
5.0 out of 5 stars Useful and well made.
Reviewed in Canada on February 2, 2019
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2 people found this helpful
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Bakr Hassanen
2.0 out of 5 stars The Device Isn't Working As expected
Reviewed in Canada on April 8, 2019
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2 people found this helpful
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Sixteehz
5.0 out of 5 stars Great tool for the electrical tool box
Reviewed in Canada on September 6, 2019
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RJM
5.0 out of 5 stars Perfect for determining which breaker belongs to which circuit
Reviewed in Canada on March 9, 2018
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One person found this helpful
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DJbarro
5.0 out of 5 stars I could easily find and identify different breakers/circuits in an old house ...
Reviewed in Canada on March 7, 2018
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Amazon Customer
5.0 out of 5 stars No more guessing
Reviewed in Canada on May 9, 2017
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4 people found this helpful
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John U
5.0 out of 5 stars Works like a charm
Reviewed in Canada on June 8, 2017
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3 people found this helpful
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chesley hutchings
4.0 out of 5 stars great tool
Reviewed in Canada on July 5, 2019
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Edman San
1.0 out of 5 stars No comprar, no sirve
Reviewed in Mexico on March 22, 2020
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Roy Chornohus
4.0 out of 5 stars Works great
Reviewed in Canada on October 6, 2017
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