The Milwaukee 2222-20 Circuit Breaker Finder w/ LED is a circuit breaker finder for identifying the correct circuit in an electrical panel. This is a circuit breaker finder designed for tracing and identifying branch circuits in standard 120V panels. Model Number: 2222-20. It is aimed at electricians, maintenance techs, remodelers, and serious DIY users who need a quicker, cleaner way to locate the right breaker without trial and error.

This tester uses a two-piece setup made up of a receiver and transmitter. In practical use, that means you can plug in the transmitter, scan breakers with the receiver, and get help identifying the correct circuit through visual and audible indicators. Milwaukee also calls out a green indicator light that helps confirm the breaker you are after, which matters when you are trying to work quickly in a crowded panel.

The design is straightforward, and that is a good thing for a tool like this. The angled receiver tip helps with placement inside the panel, so you are not fighting the shape of the tool while working across tightly spaced breakers. The over molded grip gives you a more secure hold and adds some durability when the tool gets tossed in a pouch, service bag, or gang box.

One of the smarter details here is the all-in-one storage setup. The transmitter stores directly into the receiver, so the set stays together for transport and jobsite storage. If you have used electrical test gear before, you already know this is more useful than it sounds. Small accessories go missing fast. Keeping the working pieces together saves aggravation and keeps the tool ready to use.

Milwaukee also built in an LED work light, which is genuinely useful for panel work. Electrical rooms, basements, utility closets, and older buildings are not always well lit. Having light right on the tool helps you position the receiver more accurately and read what you are doing without juggling a flashlight in your off hand.

From a safety and application standpoint, this unit is intended for standard 120V panels and carries a CAT II 135V safety rating. That makes it a purpose-built option for the kind of residential and light commercial circuit identification work many electricians and service techs run into regularly. It is powered by one 9V alkaline battery, so there is no charger or platform commitment to deal with.

Physically, this is a compact and lightweight piece of electrical test equipment. At 0.44 lb, it is easy to carry for service calls, punch lists, and troubleshooting work. The listed plastic construction keeps weight down, while the over molded grip improves comfort and control during repeated panel scans.

If you are a pro who does residential electrical service, light commercial work, maintenance, or renovation troubleshooting, this is the kind of tool that earns its spot fast. It is also a solid fit for property maintenance teams and advanced DIY users who want a more reliable way to identify circuits than shutting off breakers one at a time and hoping for the best.

Milwaukee 2222-20 Circuit Breaker Finder w/ LED keeps circuit tracing simple

This is the kind of electrical tester that saves time the first day you put it to work.

• Who it's for: Electricians, maintenance crews, remodelers, and serious DIY users who need to identify breakers in standard 120V panels without the usual guessing game.
• Why it stands out: The onboard transmitter storage, angled receiver tip, LED work light, and clear indicator system all solve real panel-work annoyances instead of adding fluff.
• Worth knowing: It is purpose-built for standard 120V panel work and runs on a 9V battery, so this is a focused troubleshooting tool, not a broad multimeter replacement.

• What is this tool used for? It is used for identifying the correct circuit in an electrical panel in residential and commercial applications.
• What type of panels is it designed for? It is designed to be used with standard 120V panels.
• Does it have a built-in light? Yes. It includes an LED work light for better visibility in dark areas.
• What powers the tool? It is powered by one 9V alkaline battery.
• Does it have a safety rating? Yes. It carries a CAT II 135V safety rating.