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phoinix | Staff 16.4K Views
May 20, 2025 9:58 AM

Klein Tools AC Circuit Breaker Finder Kit: Electric & GFCI Tester, Leads & More

$60

$70

14% off
+ Free Shippingat Amazon
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Deal Details
Amazon has Klein Tools AC Circuit Breaker Finder Kit: Electric Tester, GFCI Tester, Leads, Adapters & Case (ET310KIT) for $59.98. Shipping is free.

Lowe's has Klein Tools AC Circuit Breaker Finder Kit: Electric Tester, GFCI Tester, Leads, Adapters & Case (ET310KIT) for $59.98. Shipping is free when logged into your account (free to join); otherwise, select free store pickup.

Thanks to Deal Hunter phoinix and community member robotmaster5379 for finding this deal.

Includes:
  • ET310 Transmitter and Receiver
  • Light Socket Adapter
  • 3-Prong to 2-Prong Adapter
  • Alligator Clips Adapter
  • User Manual
  • 9V Battery for Receiver
  • Premium Carrying Case w/ Foam Insert

Editor's Notes

Written by oceanlake
  • Our research indicates that this is $10 lower (14% savings) than the next best available price from a reputable merchant with prices starting at $69.98 at the time of this posting.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by phoinix | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Amazon has Klein Tools AC Circuit Breaker Finder Kit: Electric Tester, GFCI Tester, Leads, Adapters & Case (ET310KIT) for $59.98. Shipping is free.

Lowe's has Klein Tools AC Circuit Breaker Finder Kit: Electric Tester, GFCI Tester, Leads, Adapters & Case (ET310KIT) for $59.98. Shipping is free when logged into your account (free to join); otherwise, select free store pickup.

Thanks to Deal Hunter phoinix and community member robotmaster5379 for finding this deal.

Includes:
  • ET310 Transmitter and Receiver
  • Light Socket Adapter
  • 3-Prong to 2-Prong Adapter
  • Alligator Clips Adapter
  • User Manual
  • 9V Battery for Receiver
  • Premium Carrying Case w/ Foam Insert

Editor's Notes

Written by oceanlake
  • Our research indicates that this is $10 lower (14% savings) than the next best available price from a reputable merchant with prices starting at $69.98 at the time of this posting.
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.

Original Post

Written by phoinix | Staff

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15 Comments

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May 20, 2025 4:40 PM
115 Comments
Joined Nov 2013
robotmaster5379May 20, 2025 4:40 PM
115 Comments
May 20, 2025 6:41 PM
371 Comments
Joined Mar 2022
Aaron15KCMay 20, 2025 6:41 PM
371 Comments

Our community has rated this post as helpful. If you agree, why not thank

Not a slick deal this is the normal price on home depot
1
1
May 20, 2025 8:06 PM
1.6K Comments
Joined Mar 2023
BigBGMay 20, 2025 8:06 PM
1.6K Comments
Heads you win tails I lose.
1
May 23, 2025 8:34 AM
324 Comments
Joined Sep 2018
TimeFisherMay 23, 2025 8:34 AM
324 Comments
Quote from Aaron15KC View quoted comment :
Not a slick deal this is the normal price on home depot
This one comes with more accessories. The $54.97 at home depot is for the finder and tester only.
1
Pro
May 23, 2025 12:38 PM
3K Comments
Joined Nov 2010
TACO_Trader
Pro
May 23, 2025 12:38 PM
3K Comments
Must have for DIY
1
May 23, 2025 7:25 PM
19 Comments
Joined Jul 2012
BurmaMonkeyMay 23, 2025 7:25 PM
19 Comments
I bought this to map my whole house to the breakers. It was more cumbersome so I went with traditional way of just switching off the breakers to see which one went off. It was much faster. Also if you have sub panels, it will not give you accurate results.
Pro
May 24, 2025 1:17 AM
3K Comments
Joined Nov 2010
TACO_Trader
Pro
May 24, 2025 1:17 AM
3K Comments
Quote from BurmaMonkey View quoted comment :
I bought this to map my whole house to the breakers. It was more cumbersome so I went with traditional way of just switching off the breakers to see which one went off. It was much faster. Also if you have sub panels, it will not give you accurate results.
Never trust the labels
1

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May 24, 2025 4:06 PM
640 Comments
Joined Nov 2015
diggieMay 24, 2025 4:06 PM
640 Comments
I have this and it's "okay". It's not always as easy to identify the correct breaker as you'd like.

Their RT250 is also a nicer outlet tester than the one in this bundle. Of course they couldn't bundle that and make it work with the trace tool because then you wouldn't have to buy two versions of their tools...
Last edited by diggie May 24, 2025 at 09:08 AM.
May 24, 2025 6:38 PM
152 Comments
Joined Aug 2013
GzusLuvsUMay 24, 2025 6:38 PM
152 Comments
Quote from diggie View quoted comment :
I have this and it's "okay". It's not always as easy to identify the correct breaker as you'd like.

Their RT250 is also a nicer outlet tester than the one in this bundle. Of course they couldn't bundle that and make it work with the trace tool because then you wouldn't have to buy two versions of their tools...
I find that running the sensor (not too quickly) over all the breakers first and then slowly checking again will greatly reduce false alerts...
1
Pro
May 24, 2025 7:00 PM
689 Comments
Joined Nov 2015
MacsAre1
Pro
May 24, 2025 7:00 PM
689 Comments
Circuit breaker finder? I thought all you needed for that was a screwdriver or something to short the two sides of an outlet together.
2
May 25, 2025 7:12 PM
720 Comments
Joined Sep 2013
irishtroll1984May 25, 2025 7:12 PM
720 Comments
Quote from MacsAre1 View quoted comment :
Circuit breaker finder? I thought all you needed for that was a screwdriver or something to short the two sides of an outlet together.
Da fuq?
1
May 25, 2025 7:42 PM
341 Comments
Joined Aug 2005
ripper415May 25, 2025 7:42 PM
341 Comments
Quote from GzusLuvsU View quoted comment :
I find that running the sensor (not too quickly) over all the breakers first and then slowly checking again will greatly reduce false alerts...
Yup, this is the right way to do it. I got this kit a few months ago to find the breaker a ceiling fan that had totally burned out was on. Entire process took under 5 minutes and I didn't have to run around flipping random breakers on/off and triggering surges to my devices. You likely won't use it a lot, but when you need it, it's invaluable
May 25, 2025 7:45 PM
231 Comments
Joined Feb 2013
nijaveMay 25, 2025 7:45 PM
231 Comments
Quote from diggie View quoted comment :
I have this and it's "okay". It's not always as easy to identify the correct breaker as you'd like. Their RT250 is also a nicer outlet tester than the one in this bundle. Of course they couldn't bundle that and make it work with the trace tool because then you wouldn't have to buy two versions of their tools...
I find it works okay if you combine with flip and check. Identify some breakers with the loudest tone and flip each one of those until you power off the right circuit (and get no tone).
Still requires flipping breakers on and off but slightly more accurate than random flipping. Also works if the circuit is really far away and hard to check if it's still powered on
1
May 26, 2025 4:12 AM
91 Comments
Joined May 2015
Table83May 26, 2025 4:12 AM
91 Comments
What! I did not know this tool existed! I climbed up into my attic to trace the wires from the upstairs bathroom, only to find that the GFCI was connected to a bathroom on the other side of the house! I'm very grateful to know this tool exists, I should have looked for this 6 months ago.

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May 27, 2025 1:36 PM
32 Comments
Joined Nov 2021
NervousDeer5455May 27, 2025 1:36 PM
32 Comments
Quote from GzusLuvsU View quoted comment :
I find that running the sensor (not too quickly) over all the breakers first and then slowly checking again will greatly reduce false alerts...
Not trying to knock you at all, but that is literally what the instructions say to do. Now I have noticed that AFCI breakers will trip it up every time, so I just skip those in my panel since I know they are wired to only one appliance.
A lot of people dump on these. Some of it is justified because they aren't perfect, but they can be invaluable if used properly. I use mine of a regular basis at my own house during our multiple remodels and upgrades and at many friends houses.
1

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