Shop Circuit Testers for House Wiring

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$59.99
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
5K+
Free shipping
$59.99
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
5K+
$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
$19.97
Klein Tools AC Non-Contact Voltage Tester Pen NCVT-1P
WebstaurantStore
5K+
$19.97
Klein Tools AC Non-Contact Voltage Tester Pen NCVT-1P
WebstaurantStore
5K+
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
1K+
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
1K+
$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+
$24.97
Klein Tools GFCI Receptacle Tester With LCD Display RT250
WebstaurantStore
1
$24.97
Klein Tools GFCI Receptacle Tester With LCD Display RT250
WebstaurantStore
1
$30.97
Klein Tools Dual-Range Non-Contact Voltage Tester Pen With Laser Pointer NCVT-5A
WebstaurantStore
2
$30.97
Klein Tools Dual-Range Non-Contact Voltage Tester Pen With Laser Pointer NCVT-5A
WebstaurantStore
2
$63.21
Circuit Breaker Finder Tool Set, 2 Piece Set With Accessories
Home Depot
1K+
Free shipping
$63.21
Circuit Breaker Finder Tool Set, 2 Piece Set With Accessories
Home Depot
1K+
$299.98
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
669
Free shipping
$299.98
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
669
$15.99
Gardner Bender Ground Fault Receptacle Tester And Circuit Analyzer - GFI-3501
Acme Tools
2K+
$15.99
Gardner Bender Ground Fault Receptacle Tester And Circuit Analyzer - GFI-3501
Acme Tools
2K+
$64.98
Klein Tools Auto-Ranging Digital Multi-Tester With Standard / GFCI Receptacle Tester ET270
WebstaurantStore
173
$64.98
Klein Tools Auto-Ranging Digital Multi-Tester With Standard / GFCI Receptacle Tester ET270
WebstaurantStore
173
$19.97
Klein Tools Non Contact Voltage Tester 50-1000V - NCVT-1P
Acme Tools
5K+
$19.97
Klein Tools Non Contact Voltage Tester 50-1000V - NCVT-1P
Acme Tools
5K+
$13.98
Klein Tools GFCI Receptacle Tester - RT210
Acme Tools
2
$13.98
Klein Tools GFCI Receptacle Tester - RT210
Acme Tools
2
$52.04
E-Z Check Plus GFCI Circuit Tester
Home Depot
14
Free shipping
$52.04
E-Z Check Plus GFCI Circuit Tester
Home Depot
14
$153.94
Klein Tools CL700 Digital Clamp Meter AC Auto-Ranging Loz
FireFold
3K+
$153.94
Klein Tools CL700 Digital Clamp Meter AC Auto-Ranging Loz
FireFold
3K+
$89.00
Wire Tracer And Circuit Testing Kit
Home Depot
Free shipping
$89.00
Wire Tracer And Circuit Testing Kit
Home Depot
Free shipping
$164.75
COMARK Fluke T5600 Electrical Voltage, Continuity And Current Tester
Amazon.com
4K+
Free shipping
$164.75
COMARK Fluke T5600 Electrical Voltage, Continuity And Current Tester
Amazon.com
4K+
$57.99
Extech Circuit Breaker Finder,120VAC,Enrgzd Lns Cb10
Walmart
1
$57.99
Extech Circuit Breaker Finder,120VAC,Enrgzd Lns Cb10
Walmart
1
$33.99
Klein Tools Circuit Tester - 69105
Acme Tools
36
$33.99
Klein Tools Circuit Tester - 69105
Acme Tools
36
$284.99
Suretrace Plus Circuit Tracer, 0-600 Volts AC/DC With Continuity Test
Home Depot
14
Free shipping
$284.99
Suretrace Plus Circuit Tracer, 0-600 Volts AC/DC With Continuity Test
Home Depot
14
$67.99
Fluke BK120 Smarttrace Breaker Finder And Socket Tester
Amazon.com
211
Free shipping
$67.99
Fluke BK120 Smarttrace Breaker Finder And Socket Tester
Amazon.com
211
$99.98
Klein Tools Premium Meter Electrical Test Kit CL220VP
WebstaurantStore
7
$99.98
Klein Tools Premium Meter Electrical Test Kit CL220VP
WebstaurantStore
7
$89.99
Autel Powerscan PS100 Power Circuit Probe Kit, 2025 Advanced Electrical Wire Tracer Circuit Relay Tester, Breaker Short Finder Tool, Activate
Amazon.com
Free shipping
$89.99
Autel Powerscan PS100 Power Circuit Probe Kit, 2025 Advanced Electrical Wire Tracer Circuit Relay Tester, Breaker Short Finder Tool, Activate
Amazon.com
Free shipping
$45.88
Extech CT20 Remote And Local Continuity Tester One Person Operation For Wire And Cable Testing
Amazon.com
1K+
Free shipping
$45.88
Extech CT20 Remote And Local Continuity Tester One Person Operation For Wire And Cable Testing
Amazon.com
1K+
$57.99
Extech AC Circuit Breaker Finder/Receptacle Tester - CB10
Acme Tools
2
$57.99
Extech AC Circuit Breaker Finder/Receptacle Tester - CB10
Acme Tools
2
$11.48
GFCI Receptacle Tester
Home Depot
2
Free shipping
$11.48
GFCI Receptacle Tester
Home Depot
2
$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+
$69.91
3-Piece AC/DC Voltage Tester, 12V-1000-Volt AC Dual Range Non-Contact Voltage Tester & GFCI Receptacle Tester Tool Set
Home Depot
939
Free shipping
$69.91
3-Piece AC/DC Voltage Tester, 12V-1000-Volt AC Dual Range Non-Contact Voltage Tester & GFCI Receptacle Tester Tool Set
Home Depot
939
$45.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
8
$45.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
8
$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
$39.97
Klein Premium Dual-Range Ncvt And Gfci Receptacle Tester Electrical Test Kit - RT250KIT
PlumbersStock
1K+
$39.97
Klein Premium Dual-Range Ncvt And Gfci Receptacle Tester Electrical Test Kit - RT250KIT
PlumbersStock
1K+
$45.95
Jonard CBF-100 Circuit Breaker Finder With GFCI Outlet Tester
Specialized Products Company
8
$45.95
Jonard CBF-100 Circuit Breaker Finder With GFCI Outlet Tester
Specialized Products Company
8
$63.32
Klein Tools Circuit Testers 600 VAC 69105
DkHardware.com
36
$63.32
Klein Tools Circuit Testers 600 VAC 69105
DkHardware.com
36
$12.81
$26.99
Performance Tool W2992 Circuit Tester LCD Digital
CJ Pony Parts
369
52% off
$12.81
$26.99
Performance Tool W2992 Circuit Tester LCD Digital
CJ Pony Parts
369
$7.31
Receptacle Tester For Standard Outlets Tests NEMA 5-15P Sockets For Correct Wiring
CableWholesale
$7.31
Receptacle Tester For Standard Outlets Tests NEMA 5-15P Sockets For Correct Wiring
CableWholesale
$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+
Sponsored
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Shop Circuit Testers for House Wiring

Sponsored
About our ads
$59.99
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
5K+
Free shipping
$59.99
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
5K+
$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
$19.97
Klein Tools AC Non-Contact Voltage Tester Pen NCVT-1P
WebstaurantStore
5K+
$19.97
Klein Tools AC Non-Contact Voltage Tester Pen NCVT-1P
WebstaurantStore
5K+
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
1K+
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
1K+
$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+
$24.97
Klein Tools GFCI Receptacle Tester With LCD Display RT250
WebstaurantStore
1
$24.97
Klein Tools GFCI Receptacle Tester With LCD Display RT250
WebstaurantStore
1
$30.97
Klein Tools Dual-Range Non-Contact Voltage Tester Pen With Laser Pointer NCVT-5A
WebstaurantStore
2
$30.97
Klein Tools Dual-Range Non-Contact Voltage Tester Pen With Laser Pointer NCVT-5A
WebstaurantStore
2
$63.21
Circuit Breaker Finder Tool Set, 2 Piece Set With Accessories
Home Depot
1K+
Free shipping
$63.21
Circuit Breaker Finder Tool Set, 2 Piece Set With Accessories
Home Depot
1K+
$299.98
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
669
Free shipping
$299.98
Klein Tools ET450 Advanced Underground Circuit Breaker Finder And Wire Tracer Kit For Energized And Non-Energized Breakers, Fuses, And Wires
Amazon.com
669
$15.99
Gardner Bender Ground Fault Receptacle Tester And Circuit Analyzer - GFI-3501
Acme Tools
2K+
$15.99
Gardner Bender Ground Fault Receptacle Tester And Circuit Analyzer - GFI-3501
Acme Tools
2K+
$64.98
Klein Tools Auto-Ranging Digital Multi-Tester With Standard / GFCI Receptacle Tester ET270
WebstaurantStore
173
$64.98
Klein Tools Auto-Ranging Digital Multi-Tester With Standard / GFCI Receptacle Tester ET270
WebstaurantStore
173
$19.97
Klein Tools Non Contact Voltage Tester 50-1000V - NCVT-1P
Acme Tools
5K+
$19.97
Klein Tools Non Contact Voltage Tester 50-1000V - NCVT-1P
Acme Tools
5K+
$13.98
Klein Tools GFCI Receptacle Tester - RT210
Acme Tools
2
$13.98
Klein Tools GFCI Receptacle Tester - RT210
Acme Tools
2
$52.04
E-Z Check Plus GFCI Circuit Tester
Home Depot
14
Free shipping
$52.04
E-Z Check Plus GFCI Circuit Tester
Home Depot
14
$153.94
Klein Tools CL700 Digital Clamp Meter AC Auto-Ranging Loz
FireFold
3K+
$153.94
Klein Tools CL700 Digital Clamp Meter AC Auto-Ranging Loz
FireFold
3K+
$89.00
Wire Tracer And Circuit Testing Kit
Home Depot
Free shipping
$89.00
Wire Tracer And Circuit Testing Kit
Home Depot
Free shipping
$164.75
COMARK Fluke T5600 Electrical Voltage, Continuity And Current Tester
Amazon.com
4K+
Free shipping
$164.75
COMARK Fluke T5600 Electrical Voltage, Continuity And Current Tester
Amazon.com
4K+
$57.99
Extech Circuit Breaker Finder,120VAC,Enrgzd Lns Cb10
Walmart
1
$57.99
Extech Circuit Breaker Finder,120VAC,Enrgzd Lns Cb10
Walmart
1