We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Circuit Breaker Finders 2025 in the United States

#1

Winner

9.8 score

Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters and Case

The Klein Tools ET310KIT AC Circuit Breaker Finder and Accessory Kit is designed to help users quickly and accurately identify the correct circuit breaker in electrical troubleshooting. One of its key strengths is the accuracy of circuit breaker identification, which is enhanced with visual and audible cues from the receiver, ensuring that even those unfamiliar with electrical systems can use it effectively.

Rating
9.8
Chosen by1,149
Accuracy
Ease of Use

Most important from
395 reviews

Accuracy
Although it has a great concept, some circuits show on multiple breakers, likely due to GFI circuits. This issue required manual breaker testing, leading to its return.
Ease of Use
Saves time and works excellently.
#2
9.6 score

Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester

The Klein Tools ET310 AC Circuit Breaker Finder is a reliable tool for identifying circuit breakers with precision. Its two-part system includes a Transmitter and a Receiver, making it straightforward to connect to an outlet and scan the panel. This setup is user-friendly, providing clear visual and audible signals when the correct breaker is located, which reduces guesswork and increases efficiency during electrical troubleshooting. The built-in GFCI tester is a valuable addition, allowing users to check wiring conditions and test GFCI devices, enhancing safety in the process. Another notable feature is the convenient storage design, with the Transmitter docking into the Receiver, keeping the unit compact and organized when not in use.

Rating
9.6
Accuracy
Ease of Use
Additional Features

Most important from
24276 reviews

Accuracy
Perfectly accurate, more so than other brands. It's efficient for finding circuits in multiple grouped panels.
Ease of Use
Extremely useful for both DIYers and professionals. It lasts a long time and is easy to use.
Additional Features
Works like a charm! The chirping sound and flashing lights make it impossible to miss the correct breaker.
#3
9.4 score

Focemta Circuit Breaker Finder & GFCI Outlet Tester with Digital LCD Display, 90-135V Electrical Circuit Tracer Tool for Electricians/DIY – Lightweight (Includes Batteries & Carrying Case)

The FOCEMTA Circuit Breaker Finder & GFCI Outlet Tester is a versatile tool designed for both electricians and DIY enthusiasts. Its standout feature is the all-in-one diagnostic capability, which combines a circuit breaker finder, outlet tester, and GFCI tester. This makes it convenient for anyone dealing with household or commercial wiring issues. The device boasts high accuracy with its dual-function LCD display, showing real-time voltage and signal strength, which helps eliminate guesswork when tracing circuits. This level of precision is particularly beneficial for users handling complex electrical panels.

Rating
9.4
Accuracy
Ease of Use
Power Source

Most important from
224 reviews

Accuracy
The device is intuitive and straightforward, providing reliable results that are easy to understand, enhancing its value for both amateur and professional use.
Ease of Use
The device is intuitive and straightforward, providing reliable results that are easy to understand, enhancing its value for both amateur and professional use.
Power Source
A large, easy-to-read battery-powered screen makes it convenient to track down electrical problems day or night, with clear indicators for correct or faulty wiring.

Top 10 Best Circuit Breaker Finders 2025 in the United States

#1

Winner

9.8  score

Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters and Case

Accuracy: Visual and audible cues
Ease of Use: For those unfamiliar with electrical systems
Range: Standard residential circuits (90-120V AC)
Power Source: 9V battery for receiver, corded electric
Additional Features: GFCI tester, adapters, carrying case

Chosen by 1149 this week

Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester

Accuracy: Precision in identifying breakers
Ease of Use: User-friendly with clear signals
Range: 90-120V AC circuits
Power Source: Corded Electric
Additional Features: GFCI tester, Transmitter docks in Receiver

Fluke BK120 SmartTrace Breaker Finder and Socket Tester

Accuracy: quickly identifying circuit breakers
Ease of Use: user-friendly
Power Source: Battery Powered
Additional Features: breaker finder, voltage detector, socket tester, LED flashlight

KAIWEETS Circuit Breaker Finder with LCD Display, GFCI Outlet Tester, Electrical Circuit Tracer Tool with NCV Test & Flashlight, Includes Carrying Case and Adapters- KT301P

Accuracy: large backlit LCD shows voltage levels
Ease of Use: backlit LCD, LED indicators, adapters included
Range: fits typical residential and commercial panels
Power Source: battery powered, 4 AAA batteries included
Additional Features: GFCI tester, non-contact voltage, adapters

Fluke 2052 Advanced Wire Tracer Kit with Hard Carrying Case, CAT IV 600 V Safety Rated

Accuracy: detects energized and de-energized wires
Ease of Use: user-friendly design
Range: adequate for many applications
Power Source: Corded Electric
Additional Features: i400 AC Clamp, CAT IV 600V
How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Buying Guide for the Best Circuit Breaker Finders

Choosing the right circuit breaker finder can be a bit overwhelming, but with the right knowledge, you can make an informed decision that suits your needs. A circuit breaker finder is a tool used to identify which breaker controls a specific outlet or light fixture in your electrical panel. This is particularly useful for electrical work, troubleshooting, and ensuring safety. When selecting a circuit breaker finder, there are several key specifications to consider. Understanding these specs will help you choose the best tool for your specific requirements.
AccuracyAccuracy refers to how precisely the circuit breaker finder can identify the correct breaker. This is important because a more accurate tool will save you time and reduce the risk of errors. Accuracy can vary between models, with some offering pinpoint precision while others may be less reliable. If you frequently work with electrical systems or need to ensure absolute accuracy, opt for a high-accuracy model. For occasional use, a standard accuracy model may suffice.
Ease of UseEase of use is about how user-friendly the circuit breaker finder is. This includes the simplicity of the interface, the clarity of instructions, and the overall design. A tool that is easy to use will make your job quicker and less frustrating. Look for models with clear displays, intuitive controls, and straightforward instructions. If you are a beginner or prefer a hassle-free experience, prioritize ease of use in your selection.
RangeThe range of a circuit breaker finder indicates the distance over which it can effectively detect a breaker. This is crucial if you are working in a large building or need to identify breakers from a significant distance. Models with a longer range are more versatile and can handle larger spaces. If you are working in a small home or apartment, a standard range model will likely be sufficient. For larger commercial or industrial spaces, opt for a model with an extended range.
Power SourceCircuit breaker finders can be powered by batteries or directly from the electrical system. Battery-powered models offer portability and convenience, as you can use them anywhere without needing an outlet. However, they require regular battery replacements. Models that draw power from the electrical system are more reliable for continuous use but may be less portable. Consider how and where you will use the tool to determine which power source is more suitable for you.
Additional FeaturesSome circuit breaker finders come with additional features such as a built-in flashlight, audible alerts, or the ability to test for live wires. These features can enhance the functionality and convenience of the tool. For example, a built-in flashlight can be helpful in dark electrical panels, and audible alerts can provide confirmation without needing to look at the display. Think about which additional features would be beneficial for your specific tasks and choose a model that includes those.

FAQ