Klein Tools ET310 AC Circuit Breaker Finder, Electric Tester With Integrated GFCI Outlet Tester

Easy to use at home or professionally used. Fast and very accurate.

I wish I had purchased one of these a long time ago. Installed a ring camera and ceiling fan over this weekend and managed to not electrocute myself! Now my goal is to map out all the circuits in my house. Definitely a must-have for the do-it-yourselfer and the safety conscious. Klein makes a quality product.

Worked like it should, bought so I can label my panel box. And it made it so much easier than turning breakers on and off. Would definitely recommend for anyone trying to find what circuit breaker goes to what outlet!

Have gotten to depend on this to check plugs - got new storage shed wired - went behind electrician when he finished just to check - gave peace of mind - also used in the house to check grounding on some sockets - works great !

Great aid in helping me label my fuse panel.

Klein Tools are great, but the Outlet Tester doesnt work to check outlets. It was indicating an Open Neutral on all of my outlets (we are remodeling an older home) so I tried to chase it down. I was just about to look into my panel but I decided to bring the tester to work where I know there are correct electrical connections. Low and behold it was indicating an Open Neutral as well throughout the facility. So now it makes me wonder if the Breaker Finder will be accurate. Not sure if I will buy a Klein replacement but I will be shopping around.

Finds your breaker and gfci tester is great. Kind of large but a good tool.

With an old house, the electrical is convoluted at best. This is making figuring what is connected to which breaker much easier and safer to work on.

Works OK, but I got a lot of false readings on my home panel. I haven’t yet tried it on a commercial panel. Better than nothing when dealing with the Black Magic of electricity. It’ll get you close, and sometimes right on. Be safe out there folks.

98% accurate!!