Shop Tester for Circuit Breakers

Sponsored
About our ads
$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
23K+
Free shipping
10% off
$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
23K+
$59.00
$79.99
Fluke BK120 Smarttrace Breaker Finder And Socket Tester
Amazon.com
77
Free shipping
26% off
$59.00
$79.99
Fluke BK120 Smarttrace Breaker Finder And Socket Tester
Amazon.com
77
$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
21K+
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
21K+
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
824
Free shipping
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
824
$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
1K+
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
1K+
$181.14
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946) 0-480 Volts AC/DC With Backlit Display - Find Breakers, Fuses, Wires, Dead Shorts, And
Amazon.com
18
Free shipping
14% off
$181.14
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946) 0-480 Volts AC/DC With Backlit Display - Find Breakers, Fuses, Wires, Dead Shorts, And
Amazon.com
18
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
319
Free shipping
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
319
$41.99
NOYAFA NF-827 Circuit Breaker Finder Tool With 3 Accessories &GFCI Outlet Tester, 90-120V AC Circuit Breaker Finder, Quickly Identify NCV Circuit
Amazon.com
319
Free shipping
$41.99
NOYAFA NF-827 Circuit Breaker Finder Tool With 3 Accessories &GFCI Outlet Tester, 90-120V AC Circuit Breaker Finder, Quickly Identify NCV Circuit
Amazon.com
319
$39.09
$45.99
Focemta Circuit Breaker Finder & GFCI Outlet Tester With Digital LCD Display, 90-135V Electrical Circuit Tracer Tool For Electricians/DIY -
Amazon.com
177
Free shipping
15% off
$39.09
$45.99
Focemta Circuit Breaker Finder & GFCI Outlet Tester With Digital LCD Display, 90-135V Electrical Circuit Tracer Tool For Electricians/DIY -
Amazon.com
177
$279.00
Extech CT70 AC Circuit Load Tester
Amazon.com
197
Free shipping
$279.00
Extech CT70 AC Circuit Load Tester
Amazon.com
197
$69.99
Klein Tools 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder, Non-Contact Voltage Tester Pen And Zipper Bag, 3-Piece
Amazon.com
21K+
Free shipping
$69.99
Klein Tools 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder, Non-Contact Voltage Tester Pen And Zipper Bag, 3-Piece
Amazon.com
21K+
$11.39
S & G Tool Aid Corp Hi-Lo Circuit Tester | Check Pt Circuit Tester | SGT-21000
FleetPride
$11.39
S & G Tool Aid Corp Hi-Lo Circuit Tester | Check Pt Circuit Tester | SGT-21000
FleetPride
$29.89
$32.99
UNI-T UT25A Digital AC Circuit Breaker Finder And Tracker Kit With Electrical Integrated GFCI Outlet Socket Tester, Working On AC 90-120V, Adjustable
Amazon.com
72
$29.89
$32.99
UNI-T UT25A Digital AC Circuit Breaker Finder And Tracker Kit With Electrical Integrated GFCI Outlet Socket Tester, Working On AC 90-120V, Adjustable
Amazon.com
72
$12.99
$14.99
HUAREW 3 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
35
13% off
$12.99
$14.99
HUAREW 3 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
35
$26.24
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
1K+
22% off
$26.24
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
1K+
$16.99
$18.95
HUAREW 3 AMP 5 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
38
10% off
$16.99
$18.95
HUAREW 3 AMP 5 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
38
$49.97
Digital Circuit Breaker Finder With GFCI Outlet Tester
Home Depot
2K+
Free shipping
$49.97
Digital Circuit Breaker Finder With GFCI Outlet Tester
Home Depot
2K+
$21.49
$30.09
Klein Tools ET310 AC Circuit Breaker Finder With Integrated GFCI Outlet Tester
seaurchinsnorthcaptiva
Free shipping
28% off
$21.49
$30.09
Klein Tools ET310 AC Circuit Breaker Finder With Integrated GFCI Outlet Tester
seaurchinsnorthcaptiva
Free shipping
$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
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
8K+
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
8K+
$16.99
Circuit Tester Storage Carry Case For Klein Tools Et310 AC Circuit Breaker Finder& Rt250 GFCI Outlet Tester, Electrical Test Kit,Tool Bag For KAIWEETS
Amazon.com
$16.99
Circuit Tester Storage Carry Case For Klein Tools Et310 AC Circuit Breaker Finder& Rt250 GFCI Outlet Tester, Electrical Test Kit,Tool Bag For KAIWEETS
Amazon.com
$89.99
2025 Autel Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, Auto Circuit Tester, Digital Multimeter
Amazon.com
56
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$89.99
2025 Autel Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, Auto Circuit Tester, Digital Multimeter
Amazon.com
56
$42.48
$56.27
Ideal Electrical 61-535 Digital Circuit Breaker Finder With Digital Receiver And GFCI Circuit Tester
Amazon.com
94
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$42.48
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Ideal Electrical 61-535 Digital Circuit Breaker Finder With Digital Receiver And GFCI Circuit Tester
Amazon.com
94
$89.99
Autel Powerscan Automotive Circuit Tester, Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance,
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235
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Autel Powerscan Automotive Circuit Tester, Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance,
Amazon.com
235
$49.97
Klein Tools Digital Circuit Breaker Finder With GFCI Outlet Tester ET310
WebstaurantStore
4
$49.97
Klein Tools Digital Circuit Breaker Finder With GFCI Outlet Tester ET310
WebstaurantStore
4
$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+
$44.97
Digital Circuit Breaker Finder With GFCI Outlet Tester
Home Depot
39
Free shipping
$44.97
Digital Circuit Breaker Finder With GFCI Outlet Tester
Home Depot
39
$38.99
$64.98
Klein Tools 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder, Non-Contact Voltage Tester Pen And Zipper Bag, 3-Piece(3-Piece Kit)
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39% off
$38.99
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Klein Tools 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder, Non-Contact Voltage Tester Pen And Zipper Bag, 3-Piece(3-Piece Kit)
shop.cowsculture
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Tester, 12-24V Automotive Electrical Open/Short Breaker Finder, Component Activation Test Tool, AC/DC
Amazon.com
21
Free shipping
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Tester, 12-24V Automotive Electrical Open/Short Breaker Finder, Component Activation Test Tool, AC/DC
Amazon.com
21
$75.10
Klein Tools ET310 Digital Circuit Breaker Finder With GFCI Outlet Tester
FireFold
4
$75.10
Klein Tools ET310 Digital Circuit Breaker Finder With GFCI Outlet Tester
FireFold
4
$72.90
B-2500 MULTI AMP - Test Equipment & Circuit Tester Supplies
Radwell.com
$72.90
B-2500 MULTI AMP - Test Equipment & Circuit Tester Supplies
Radwell.com
$48.99
$75.27
Klein Tools ET310 AC Circuit Breaker Finder With Integrated GFCI Outlet Tester
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$48.99
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Klein Tools ET310 AC Circuit Breaker Finder With Integrated GFCI Outlet Tester
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Digital Circuit Breaker Finder With GFCI Outlet Tester And Accessory Kit
Home Depot
1K+
Free shipping
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Digital Circuit Breaker Finder With GFCI Outlet Tester And Accessory Kit
Home Depot
1K+
$30.99
Klein Tools ET300 Digital Circuit Breaker Finder
FireFold
499
$30.99
Klein Tools ET300 Digital Circuit Breaker Finder
FireFold
499
$437.40
TR3100 DOBLE - Test Equipment & Circuit Tester Supplies
Radwell.com
$437.40
TR3100 DOBLE - Test Equipment & Circuit Tester Supplies
Radwell.com
$691.00
AFGFTESTER EATON CORPORATION - Test Equipment & Circuit Tester Supplies
Radwell.com
$691.00
AFGFTESTER EATON CORPORATION - Test Equipment & Circuit Tester Supplies
Radwell.com
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Shop Tester for Circuit Breakers

Sponsored
About our ads
$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
23K+
Free shipping
10% off
$44.97
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
23K+
$59.00
$79.99
Fluke BK120 Smarttrace Breaker Finder And Socket Tester
Amazon.com
77
Free shipping
26% off
$59.00
$79.99
Fluke BK120 Smarttrace Breaker Finder And Socket Tester
Amazon.com
77
$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
21K+
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
21K+
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
824
Free shipping
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
824
$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
1K+
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
1K+
$181.14
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946) 0-480 Volts AC/DC With Backlit Display - Find Breakers, Fuses, Wires, Dead Shorts, And
Amazon.com
18
Free shipping
14% off
$181.14
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946) 0-480 Volts AC/DC With Backlit Display - Find Breakers, Fuses, Wires, Dead Shorts, And
Amazon.com
18
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
319
Free shipping
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
319
$41.99
NOYAFA NF-827 Circuit Breaker Finder Tool With 3 Accessories &GFCI Outlet Tester, 90-120V AC Circuit Breaker Finder, Quickly Identify NCV Circuit
Amazon.com
319
Free shipping
$41.99
NOYAFA NF-827 Circuit Breaker Finder Tool With 3 Accessories &GFCI Outlet Tester, 90-120V AC Circuit Breaker Finder, Quickly Identify NCV Circuit
Amazon.com
319
$39.09
$45.99
Focemta Circuit Breaker Finder & GFCI Outlet Tester With Digital LCD Display, 90-135V Electrical Circuit Tracer Tool For Electricians/DIY -
Amazon.com
177
Free shipping
15% off
$39.09
$45.99
Focemta Circuit Breaker Finder & GFCI Outlet Tester With Digital LCD Display, 90-135V Electrical Circuit Tracer Tool For Electricians/DIY -
Amazon.com
177
$279.00
Extech CT70 AC Circuit Load Tester
Amazon.com
197
Free shipping
$279.00
Extech CT70 AC Circuit Load Tester
Amazon.com
197
$69.99
Klein Tools 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder, Non-Contact Voltage Tester Pen And Zipper Bag, 3-Piece
Amazon.com
21K+
Free shipping
$69.99
Klein Tools 80064 AC Circuit Breaker Kit With GFCI Digital Circuit Breaker Finder, Non-Contact Voltage Tester Pen And Zipper Bag, 3-Piece
Amazon.com
21K+
$11.39
S & G Tool Aid Corp Hi-Lo Circuit Tester | Check Pt Circuit Tester | SGT-21000
FleetPride
$11.39
S & G Tool Aid Corp Hi-Lo Circuit Tester | Check Pt Circuit Tester | SGT-21000
FleetPride
$29.89
$32.99
UNI-T UT25A Digital AC Circuit Breaker Finder And Tracker Kit With Electrical Integrated GFCI Outlet Socket Tester, Working On AC 90-120V, Adjustable
Amazon.com
72
$29.89
$32.99
UNI-T UT25A Digital AC Circuit Breaker Finder And Tracker Kit With Electrical Integrated GFCI Outlet Socket Tester, Working On AC 90-120V, Adjustable
Amazon.com
72
$12.99
$14.99
HUAREW 3 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
35
13% off
$12.99
$14.99
HUAREW 3 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
35
$26.24
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
1K+
22% off
$26.24
$33.98
Sperry Instruments CS550A Circuit Breaker Finder, Quickly Locate AC Circuits/Fuses, Visual LED, Plug Style Transmitter/Auto-Sensing Receiver, 120V AC,
Amazon.com
1K+
$16.99
$18.95
HUAREW 3 AMP 5 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
38
10% off
$16.99
$18.95
HUAREW 3 AMP 5 AMP Resettable Fuse HVAC Tools Circuit Tester For Circuit Breaker 32V DC & 125/250V AC
Amazon.com
38
$49.97
Digital Circuit Breaker Finder With GFCI Outlet Tester
Home Depot
2K+
Free shipping
$49.97
Digital Circuit Breaker Finder With GFCI Outlet Tester
Home Depot
2K+
$21.49
$30.09
Klein Tools ET310 AC Circuit Breaker Finder With Integrated GFCI Outlet Tester
seaurchinsnorthcaptiva
Free shipping
28% off
$21.49
$30.09
Klein Tools ET310 AC Circuit Breaker Finder With Integrated GFCI Outlet Tester
seaurchinsnorthcaptiva
Free shipping