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

The Klein ET310 Circuit Breaker Finder is a great tool to help in locating the right circuit breaker. I plan to use around my home and help my friends to locate the right circuit breaker. I used it today, and it easy to use and found my breaker quickly. It is a time saver and it will help you get the job done. I like the light weight design and the transmitter doubles as a circuit tester to ensure that your wiring is correct. It is designed very well and light weight and has an intuitive instruction manual. This is a great device and I highly recommend it!

I ordered this tester because it seemed like something that I should have in my "tool arsenal". I tried it as soon as I got it so that I knew that it worked and so that I would know how to use it when I needed it.Circuit Breaker Finder - Worked like a charm! I plugged the "sending unit" into an outlet and then headed for the breaker panel. Using the tester I followed the directions and slowly passed it over all of the breakers once and then repeated it. As you get close to the right breaker - it will start to chirp a bit and when you are on it, you get the tone and the red light and the flashing green - can't miss it! I then flipped that breaker and went back to the outlet I was testing and it was the correct breaker.Sending Unit/Outlet Tester - This is handy in that it shows you if the outlet is wired property (and it was) and I like the GFCI tester function. I tested several of the outlets in my kitchen that should be on a GFCI circuit and when tested, did trip the GFCI outlet that was controlling them.Everything works, it was easy to use, and it makes testing and working on your home/farm wiring really easy. 5 Stars and I would buy it again for sure.

We bought this several months ago, but just got a chance to use it. Highly recommend, works amazing. Makes it easier to find and label the circuit breaker box. We also marked the back of the outlet covers to make it easier if we need to fix or replace in the future.

I recently purchased the AC Circuit Breaker Finder with an integrated GFCI Outlet Tester, and it has proven to be an invaluable tool for my electrical projects. This versatile device has streamlined my workflow and significantly improved the accuracy and efficiency of my electrical work.The circuit breaker finder is incredibly user-friendly, allowing me to quickly and accurately locate the corresponding breaker for any electrical circuit within my home. This has saved me considerable time and effort, as I no longer need to manually test each breaker to identify the correct one.Additionally, the built-in GFCI Outlet Tester is a fantastic feature that enhances the functionality of this tool. With this integrated tester, I can effortlessly check the wiring and safety of my GFCI outlets, ensuring they are properly installed and functioning as intended. This has given me peace of mind, knowing that my home's electrical system is up to code and operating safely.In summary, the AC Circuit Breaker Finder with Integrated GFCI Outlet Tester is an essential tool for any homeowner or professional electrician. Its ease of use, accuracy, and versatile features have made it a must-have addition to my toolkit, and I highly recommend it to anyone in need of an efficient and reliable electrical testing solution.

I replace my own fans, lights, and outlets. I don't do electrical work often, so when I do I often have to try 2-3 circuit breakers as the labeling is pretty bad. This lets me pinpoint the proper switch the first try. So no more fire alarms beeping or resetting clocks because I turned off the wrong breaker. Also, the piece that plugs into the wall lights up. When you shut off the correct breaker, the light goes off so you know for sure you got the right one. Still use a voltage detector to be 100% certain, but this gets you to where you feel "certain." I put that in quotes because one mistake with electricity means lights out for human beings.If those kinds of annoyances don't bother you, you don't need this. If they do or you just want an easier way to be sure you've got the correct breaker, this is a great tool set.

This tool paid for itself on its first use. Invaluable for finding the correct circuit breaker and the tester part found an open ground on the first outlet I plugged it in to. Typical Klein quality for tools.

I debated on getting just the plug detector, but i figured I'd spend some money and get the kit with breaker detector & accessories (no pouch/bag). I've used this for checking a main panel swap and it paid for itself in finding a single outlet that was wired wrong and causing a network switch to not operate: after restoring power, there was no wired internet due to the network switch getting bad voltage. I can't even imagine having to find that problem with just my volt meter. 100% worth the electrician-skill-game enhancer.The breaker detector was easy enough to use and helps I.D. circuits where labels have faded or just don't exist. It got the correct breaker, but there was a 'maybe' with the neighboring breaker, YET it made figuring out which breaker was for the dishwasher for a replacement job easy. Before using this, it would require some investigating, tracing wires where applicable, deducing which voltage breakers (220/110), and even then we would have to take guesses sometimes and just start tripping breakers till we found the right one (or short the end of the wires together to force a trip, I know REAL safe...). Now, worst case, is you have 2 breakers that need tripped for the 1 circuit you're working on. I'm not sure how it would work if the circuit is wired wrong, i.e. if neutral and hot are reversed, etc, but the instructions say that the circuit must be wired right in the first place for the detector to work...Works for electricians of course, but as an HVAC/Plumber tech, I find it highly valuable. I think DIY'ers and homeowners could benefit for the "pricey" gear and kit from a know name brand.