Shop tool to test circuit breakers

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$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
20K+
Free shipping
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
20K+
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
19K+
Free shipping
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
19K+
$299.99
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
21
Free shipping
$299.99
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
21
$49.97
Klein Et310 Circuit Breaker Finder/Tester
New Feedonomics Feed - ARC 8/12/2025
20K+
$49.97
Klein Et310 Circuit Breaker Finder/Tester
New Feedonomics Feed - ARC 8/12/2025
20K+
$1,835.00
Square D 33594 : Circuit Breaker Test Kit, Hand Held
New Feedonomics Feed - ARC 8/12/2025
$1,835.00
Square D 33594 : Circuit Breaker Test Kit, Hand Held
New Feedonomics Feed - ARC 8/12/2025
$30.39
Gardner Bender Hgt6520 Circuit Analyzer Tester
New Feedonomics Feed - ARC 8/12/2025
$30.39
Gardner Bender Hgt6520 Circuit Analyzer Tester
New Feedonomics Feed - ARC 8/12/2025
$104.95
Electrical Circuit Testing Tool
HD Truck Source
$104.95
Electrical Circuit Testing Tool
HD Truck Source
$69.98
$97.98
Klein Tools ET310KIT Circuit Breaker Finder Kit
Test Equipment Depot
47
28% off
$69.98
$97.98
Klein Tools ET310KIT Circuit Breaker Finder Kit
Test Equipment Depot
47
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
$49.29
Extech AC Circuit Breaker Finder/Receptacle Tester | Cole-Parmer
Cole-Parmer
2K+
$49.29
Extech AC Circuit Breaker Finder/Receptacle Tester | Cole-Parmer
Cole-Parmer
2K+
$19.54
$38.32
UNI-T UT25A Circuit Breaker Finder Tester Tool Kit Socket GFCI Test Automatic Diagnosis Circuit Fuse
AliExpress
Free shipping
49% off
$19.54
$38.32
UNI-T UT25A Circuit Breaker Finder Tester Tool Kit Socket GFCI Test Automatic Diagnosis Circuit Fuse
AliExpress
Free shipping
$61.64
Circuit Breaker Finder With GFCI Outlet Tester - Locate Breakers, GFCI Test
US eBay
2
Free shipping
$61.64
Circuit Breaker Finder With GFCI Outlet Tester - Locate Breakers, GFCI Test
US eBay
2
$105.73
$132.17
Kit - Test Light Automotive Circuit Tester Circuit Breaker Finder Tool, Relay Tester Multimeter,
AliExpress
Free shipping
20% off
$105.73
$132.17
Kit - Test Light Automotive Circuit Tester Circuit Breaker Finder Tool, Relay Tester Multimeter,
AliExpress
Free shipping
$14.99
Lisle 28400: Lisle Heavy-Duty Circuit Testers
Summit Racing
4
$14.99
Lisle 28400: Lisle Heavy-Duty Circuit Testers
Summit Racing
4
$49.97
Klein Tools ET310: Klein Tools Digital Circuit Breaker Finders With GFCI Outlet Tester
Summit Racing
1
$49.97
Klein Tools ET310: Klein Tools Digital Circuit Breaker Finders With GFCI Outlet Tester
Summit Racing
1
$56.27
Ideal Industries Circuit Breaker Finder - 61-535
Acme Tools
111
$56.27
Ideal Industries Circuit Breaker Finder - 61-535
Acme Tools
111
$99.00
Klein Tools ET310KIT AC Circuit Breaker Finder Kit Electric Tester Gfci. Klein Tools. Orange. Other Test Meters & Detectors. 092644694929.
eBay.com
1
Free shipping
$99.00
Klein Tools ET310KIT AC Circuit Breaker Finder Kit Electric Tester Gfci. Klein Tools. Orange. Other Test Meters & Detectors. 092644694929.
eBay.com
1
$52.99
MS5902 Circuit Breaker Finder Circuit Breaker Finder Socket Line Test 220/110V
US eBay
Free shipping
$52.99
MS5902 Circuit Breaker Finder Circuit Breaker Finder Socket Line Test 220/110V
US eBay
Free shipping
$46.05
$82.96
Uni T Professional Circuit Breaker Finder Sensitivity Adjustable Socket Tester Diagnostic Tool
AliExpress
Free shipping
44% off
$46.05
$82.96
Uni T Professional Circuit Breaker Finder Sensitivity Adjustable Socket Tester Diagnostic Tool
AliExpress
Free shipping
$21.97
Klein Tools Circuit Breaker Finder Accy Kit - 69411
Acme Tools
1
$21.97
Klein Tools Circuit Breaker Finder Accy Kit - 69411
Acme Tools
1
$159.99
Klein Tools RT390: Klein Tools Circuit Analyzers
Summit Racing
1K+
Free shipping
$159.99
Klein Tools RT390: Klein Tools Circuit Analyzers
Summit Racing
1K+
$67.83
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFC. Circuit Breaker Finder. Other Test Meters & Detectors.
eBay.com
Free shipping
$67.83
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFC. Circuit Breaker Finder. Other Test Meters & Detectors.
eBay.com
Free shipping
$102.35
Klein Tools ET310KIT AC Circuit Breaker Finder Kit Electric Tester GFCI
US eBay
1
Free shipping
$102.35
Klein Tools ET310KIT AC Circuit Breaker Finder Kit Electric Tester GFCI
US eBay
1
$299.99
$449.98
Klein Tools ET450 Adv Elec Circuit Breaker Finder And Wire Tracer Kit
Test Equipment Depot
21
33% off
$299.99
$449.98
Klein Tools ET450 Adv Elec Circuit Breaker Finder And Wire Tracer Kit
Test Equipment Depot
21
$45.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
6
$45.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
6
$19.42
Titan Tools Digital Circuit Tester (11436)
JBTools
2
$19.42
Titan Tools Digital Circuit Tester (11436)
JBTools
2
$86.73
$169.81
Klein Tools RT390 Circuit Analyzer With Large LCD, Identifies Wiring Faults, GFCI And AFCI Tester 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder(Receptacle Tester W/Voltage Drop+ Breaker Kit)
palmbayortho.com
48% off
$86.73
$169.81
Klein Tools RT390 Circuit Analyzer With Large LCD, Identifies Wiring Faults, GFCI And AFCI Tester 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder(Receptacle Tester W/Voltage Drop+ Breaker Kit)
palmbayortho.com
$29.99
Automotive Circuit Breaker Finding Tool With Voltage Tester 6V-24V. Automotive Circuit Detector. Electrical Testers, Test Leads.
eBay.com
Free shipping
$29.99
Automotive Circuit Breaker Finding Tool With Voltage Tester 6V-24V. Automotive Circuit Detector. Electrical Testers, Test Leads.
eBay.com
Free shipping
$67.20
$112.00
Klein Tools 80016 Circuit Breaker Finder Tool Kit RT250 GFCI Outlet Tester NCVT3P Dual Range Non Contact Voltage Tester, 12-1000V AC Pen, Flashlight, Audible And Flashing LED Alarms, Pocket Clip(Kit + Tester + Tester NCVT3P)
palmbayortho.com
40% off
$67.20
$112.00
Klein Tools 80016 Circuit Breaker Finder Tool Kit RT250 GFCI Outlet Tester NCVT3P Dual Range Non Contact Voltage Tester, 12-1000V AC Pen, Flashlight, Audible And Flashing LED Alarms, Pocket Clip(Kit + Tester + Tester NCVT3P)
palmbayortho.com
$84.03
ET310 Digital Circuit Breaker Finder & GFCI Outlet Tester
Northern Safety Co., Inc.
4
$84.03
ET310 Digital Circuit Breaker Finder & GFCI Outlet Tester
Northern Safety Co., Inc.
4
$67.20
$112.00
Klein Tools 80016 Circuit Breaker Finder Tool Kit RT250 GFCI Outlet Tester NCVT3P Dual Range Non Contact Voltage Tester, 12-1000V AC Pen, Flashlight, Audible And Flashing LED Alarms, Pocket Clip(Kit + Tester + Tester NCVT3P)
chartopaz
40% off
$67.20
$112.00
Klein Tools 80016 Circuit Breaker Finder Tool Kit RT250 GFCI Outlet Tester NCVT3P Dual Range Non Contact Voltage Tester, 12-1000V AC Pen, Flashlight, Audible And Flashing LED Alarms, Pocket Clip(Kit + Tester + Tester NCVT3P)
chartopaz
$69.98
Klein Tools ET310KIT Circuit Breaker Finder Kit
Haus of Tools
47
$69.98
Klein Tools ET310KIT Circuit Breaker Finder Kit
Haus of Tools
47
$5.65
CTA Tools 3024 - Low Volt Circuit Tester
ToolPan
$5.65
CTA Tools 3024 - Low Volt Circuit Tester
ToolPan
$11.55
Lisle 24 Volt Heavy Duty Circuit Tester (27430)
JBTools
1K+
$11.55
Lisle 24 Volt Heavy Duty Circuit Tester (27430)
JBTools
1K+
$97.56
$197.49
Klein Tools Advanced Circuit Breaker Finder And Wire Tracer Kit (ET450) + Circuit Breaker Finder Tool Kit (80016)(Kit + Finder Tool Kit)
palmbayortho.com
50% off
$97.56
$197.49
Klein Tools Advanced Circuit Breaker Finder And Wire Tracer Kit (ET450) + Circuit Breaker Finder Tool Kit (80016)(Kit + Finder Tool Kit)
palmbayortho.com
"How to Test a Circuit Breaker (The Right Way!)"
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Shop tool to test circuit breakers

Sponsored
About our ads
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
20K+
Free shipping
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
20K+
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
19K+
Free shipping
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
19K+
$299.99
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
21
Free shipping
$299.99
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
21
$49.97
Klein Et310 Circuit Breaker Finder/Tester
New Feedonomics Feed - ARC 8/12/2025
20K+
$49.97
Klein Et310 Circuit Breaker Finder/Tester
New Feedonomics Feed - ARC 8/12/2025
20K+
$1,835.00
Square D 33594 : Circuit Breaker Test Kit, Hand Held
New Feedonomics Feed - ARC 8/12/2025
$1,835.00
Square D 33594 : Circuit Breaker Test Kit, Hand Held
New Feedonomics Feed - ARC 8/12/2025
$30.39
Gardner Bender Hgt6520 Circuit Analyzer Tester
New Feedonomics Feed - ARC 8/12/2025
$30.39
Gardner Bender Hgt6520 Circuit Analyzer Tester
New Feedonomics Feed - ARC 8/12/2025
$104.95
Electrical Circuit Testing Tool
HD Truck Source
$104.95
Electrical Circuit Testing Tool
HD Truck Source
$69.98
$97.98
Klein Tools ET310KIT Circuit Breaker Finder Kit
Test Equipment Depot
47
28% off
$69.98
$97.98
Klein Tools ET310KIT Circuit Breaker Finder Kit
Test Equipment Depot
47
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$67.94
Digital Circuit Breaker Finder And AC/DC Voltage Tester Tool Set
Home Depot
1K+
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
$49.29
Extech AC Circuit Breaker Finder/Receptacle Tester | Cole-Parmer
Cole-Parmer
2K+
$49.29
Extech AC Circuit Breaker Finder/Receptacle Tester | Cole-Parmer
Cole-Parmer
2K+
$19.54
$38.32
UNI-T UT25A Circuit Breaker Finder Tester Tool Kit Socket GFCI Test Automatic Diagnosis Circuit Fuse
AliExpress
Free shipping
49% off
$19.54
$38.32
UNI-T UT25A Circuit Breaker Finder Tester Tool Kit Socket GFCI Test Automatic Diagnosis Circuit Fuse
AliExpress
Free shipping
$61.64
Circuit Breaker Finder With GFCI Outlet Tester - Locate Breakers, GFCI Test
US eBay
2
Free shipping
$61.64
Circuit Breaker Finder With GFCI Outlet Tester - Locate Breakers, GFCI Test
US eBay
2
$105.73
$132.17
Kit - Test Light Automotive Circuit Tester Circuit Breaker Finder Tool, Relay Tester Multimeter,
AliExpress
Free shipping
20% off
$105.73
$132.17
Kit - Test Light Automotive Circuit Tester Circuit Breaker Finder Tool, Relay Tester Multimeter,
AliExpress
Free shipping
$14.99
Lisle 28400: Lisle Heavy-Duty Circuit Testers
Summit Racing
4
$14.99
Lisle 28400: Lisle Heavy-Duty Circuit Testers
Summit Racing
4
$49.97
Klein Tools ET310: Klein Tools Digital Circuit Breaker Finders With GFCI Outlet Tester
Summit Racing
1
$49.97
Klein Tools ET310: Klein Tools Digital Circuit Breaker Finders With GFCI Outlet Tester
Summit Racing
1
$56.27
Ideal Industries Circuit Breaker Finder - 61-535
Acme Tools
111
$56.27
Ideal Industries Circuit Breaker Finder - 61-535
Acme Tools
111
$99.00
Klein Tools ET310KIT AC Circuit Breaker Finder Kit Electric Tester Gfci. Klein Tools. Orange. Other Test Meters & Detectors. 092644694929.
eBay.com
1
Free shipping
$99.00
Klein Tools ET310KIT AC Circuit Breaker Finder Kit Electric Tester Gfci. Klein Tools. Orange. Other Test Meters & Detectors. 092644694929.
eBay.com
1