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Your cart is empty.The Fluke BK120 SmartTrace Breaker Finder is a tool for identifying circuit breakers in electrical panels and detecting voltage with the NCV mode. It is an essential device for electricians, homeowners, and maintenance professionals, to simplify electrical work, circuit tracing, and troubleshooting. The product includes a receiver that acts as the Breaker Finder and non-contact voltage detector, and a transmitter that traces to the receiver and also acts as a socket tester.
Joe Mildenhall
Reviewed in the United States on February 4, 2025
I have a few Fluke products and their breaker finder doesn't disappoint. Easily finds breakers and has the added benefit of a live line detection mode. All breaker finders are a little fiddly zeroing in on the correct breaker but the Flute is the best I've owned.
The buyer
Reviewed in the United States on February 23, 2025
I try to research about this product before purchase but I could find enough so I ended up buying it and test it by myself, oh boy I’m in love with it, has non contact volt detection as a plus to the main feature (find breaker) very easy to use and good materials conform this device, it’s a little more expensive that Klein or Milwaukee but once you have this in your hands you know you steeped to another level.
Randol Franco
Reviewed in the United States on February 23, 2025
Good Functions, Accuracy, Fluke tester
wawhel
Reviewed in the United States on January 8, 2025
Make electrical work easier by finding the right breaker to turn off while the 3 prong tester was olugged it at the same time, beeping sound when hit the right breaker, also can be used as a non contact tester. Loved it the first time i used it, i always have a fluke brand and wont settle for different beand.
Kent Lott
Reviewed in the United States on January 20, 2025
Works great
Customer
Reviewed in the United States on January 1, 2025
Easy to use , great Fluke quality
Jennifer
Reviewed in the United States on December 18, 2024
ok, let's ignore the suggestion on the Fluke web site to unplug stuff on the circuit when in breaker identification mode. If I knew all the things on the circuit, I wouldn't need this, right?step one - sanity check: don't plug in to module and point the receiver at some breakers. I got a positive on a breaker. Not looking good.step two - plug transmitter into a power strip fed from a UPS. Wouldn't expect this to work as the UPS is making the sine wave and it didn't.step 3: move transmitter to same wall outlet as the UPS. The instructions show scanning the breakers twice, and you need to. The first time you can get false positives, but when it hits the correct breaker the other ones stop reading positive. Well, almost. When I pointed at the breaker that registered positive with no transmitter plugged in anywhere, it stole the positive and the correct breaker then read negative until I reset the receiver.step 4: test circuit with a cfgi breaker. No problem as long as you scan the breakers twice.step 5: how about an upstream panel? Win for Fluke. It correctly identified the correct leg of the 240V feed breaker.step 6: ok, how about the main panel upstream from the subfeed panel that was feeding yet another subfeed panel that was feeding the outlet with the transmitter? I was a bit surprised it correctly identified the breaker in the main panel.I assume everyone will experience the initial false positives on a first scan of the breakers and the second pass will likely give the right answer.the positive on a breaker when the transmitter was not plugged is annoying. It could help if Fluke described what the unit was doing and gave examples of likely sources of interference.I suppose even in the oddball case if it narrows it down to a couple potential breakers the tool has quite a bit of value.I did not test the miswiring detection function as there's no chance I miswired anything (cough). NCV wasn't reliable through the plastic when pointing at light switches or outlets, but better if you can see the wire termination.
Justin
Reviewed in the United States on December 18, 2024
I expect greater quality or in this case, strength, from Fluke. The range of pickup on this is so short it can't detect through an outlet. I wanted this for dual use, see which breaker belongs to an outlet and see which outlets are on the same circuit. A work around is I use a 6 inch extension plug and plug that in first then I can check for signal.Also, for kits that come with more than one part, Fluke needs to make cases for this stuff.
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