Shop electrical circuit tester

Sponsored
About our ads
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
Free shipping
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
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
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
Free shipping
$9.99
Test Light Automotive 3-48V Digital LED Circuit Tester, Auto Light Tester With Voltage Display, Electric Tester Pen With Voltmeter And Probe For
Amazon.com
$9.99
Test Light Automotive 3-48V Digital LED Circuit Tester, Auto Light Tester With Voltage Display, Electric Tester Pen With Voltmeter And Probe For
Amazon.com
$59.98
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
Free shipping
$59.98
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
Free shipping
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
Free shipping
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
Free shipping
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
$279.00
Extech CT70 GFCI And AC Circuit Analyzer - Professional Receptacle Tester With Voltage Drop, Line Impedance, And AC Load Simulation (12A, 15A, 20A) -
Amazon.com
Free shipping
$279.00
Extech CT70 GFCI And AC Circuit Analyzer - Professional Receptacle Tester With Voltage Drop, Line Impedance, And AC Load Simulation (12A, 15A, 20A) -
Amazon.com
Free shipping
$635.83
$719.99
Amprobe TIC 300 PRO High Voltage Detector Kit
Amazon.com
Free shipping
11% off
$635.83
$719.99
Amprobe TIC 300 PRO High Voltage Detector Kit
Amazon.com
Free shipping
$22.75
Sperry Instruments VD7504GFI Dualcheck 2-In-1 Non-Contact Voltage Detector + GFCI Outlet Circuit Analyzer, 360° Visual & Audible Indicators, 50-1000V
Amazon.com
$22.75
Sperry Instruments VD7504GFI Dualcheck 2-In-1 Non-Contact Voltage Detector + GFCI Outlet Circuit Analyzer, 360° Visual & Audible Indicators, 50-1000V
Amazon.com
$24.99
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
$24.99
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
$9.99
Heavy Duty Automotive Circuit Tester, Premium 6-24V Test Light With Extended Spring Test Leads & Sharp Piercing Probe, Circuit Voltage Tester With
Amazon.com
$9.99
Heavy Duty Automotive Circuit Tester, Premium 6-24V Test Light With Extended Spring Test Leads & Sharp Piercing Probe, Circuit Voltage Tester With
Amazon.com
$89.99
Autel Powerscan PS100 Power Circuit Probe Kit, 2026 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, 2026 Advanced Electrical Wire Tracer Circuit Relay Tester, Breaker Short Finder Tool, Activate
Amazon.com
Free shipping
$181.13
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946), Circuit Breaker Finder, 0-480 Volts AC/DC With Backlit Display, Find Breakers, Fuses,
Amazon.com
Free shipping
15% off
$181.13
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946), Circuit Breaker Finder, 0-480 Volts AC/DC With Backlit Display, Find Breakers, Fuses,
Amazon.com
Free shipping
$15.94
Sperry Instruments GFI6302 GFCI Outlet / Receptacle Tester, Standard 120V AC Outlets, 7 Visual Indication / Wiring Legend, Home & Professional Use,
Amazon.com
$15.94
Sperry Instruments GFI6302 GFCI Outlet / Receptacle Tester, Standard 120V AC Outlets, 7 Visual Indication / Wiring Legend, Home & Professional Use,
Amazon.com
$804.00
Fluke - FLUKE-1587 FC FLUKE 1587 FC 2-In-1 Insulation Multimeter
Amazon.com
Free shipping
25% off
$804.00
Fluke - FLUKE-1587 FC FLUKE 1587 FC 2-In-1 Insulation Multimeter
Amazon.com
Free shipping
$13.90
VEVOR Voltage Tester Non-Contact Voltage Detector With Adjustable Sensitivity Dual Range Ac 12V-1000V/48V-1000V Live & Null Wire Tester Pen With
VEVOR
$13.90
VEVOR Voltage Tester Non-Contact Voltage Detector With Adjustable Sensitivity Dual Range Ac 12V-1000V/48V-1000V Live & Null Wire Tester Pen With
VEVOR
$15.90
VEVOR Outlet Tester Electrical Gfci Trip Tester Lcd Display Receptacle Detector For 7 Common Wiring Faults 3 Prong Socket Detector With Auto Shutoff
VEVOR
$15.90
VEVOR Outlet Tester Electrical Gfci Trip Tester Lcd Display Receptacle Detector For 7 Common Wiring Faults 3 Prong Socket Detector With Auto Shutoff
VEVOR
$31.99
Circuit Tester
Collision Services
$31.99
Circuit Tester
Collision Services
$45.33
Extech CB10-KIT Electrical Troubleshooting Kit: 3-In-1 Circuit Breaker Finder, GFCI Receptacle Tester, And Non-Contact AC Voltage Detector - Professional Home & Commercial Electrical Diagnostic Set
PRINTAE
$45.33
Extech CB10-KIT Electrical Troubleshooting Kit: 3-In-1 Circuit Breaker Finder, GFCI Receptacle Tester, And Non-Contact AC Voltage Detector - Professional Home & Commercial Electrical Diagnostic Set
PRINTAE
$72.29
S & G Tool Aid CIRCUIT TESTER
truckpro.com
$72.29
S & G Tool Aid CIRCUIT TESTER
truckpro.com
$7.79
Seavolt Trailer Wiring Circuit Tester, LED, 4-Way | By West Marine
WestMarine
$7.79
Seavolt Trailer Wiring Circuit Tester, LED, 4-Way | By West Marine
WestMarine
$59.81
Lisle Corporation 29050 | Digital Circuit Tester (3-30V) | Auto Tool World
AutoToolWorld.com
$59.81
Lisle Corporation 29050 | Digital Circuit Tester (3-30V) | Auto Tool World
AutoToolWorld.com
$29.85
Lisle Corporation 28620 | Circuit Tester With Buzzer | Auto Tool World
AutoToolWorld.com
$29.85
Lisle Corporation 28620 | Circuit Tester With Buzzer | Auto Tool World
AutoToolWorld.com
$62.12
Klein Tools ET310 | Digital Circuit Breaker Finder With GFCI Outlet Tester
AllDataResource.com
$62.12
Klein Tools ET310 | Digital Circuit Breaker Finder With GFCI Outlet Tester
AllDataResource.com
$29.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$29.99
Universal 12V/24V Automotive Relay Tester Automotive Relay Short Circuit Tester Auto Battery Checker Electronic Relay Tester
LightInTheBox
$6.63
Lisle 26250 - AC/DC Circuit Tester Up To 28Volts
ToolPan
$6.63
Lisle 26250 - AC/DC Circuit Tester Up To 28Volts
ToolPan
$60.21
Klein Tools, Inc. 69355 PREMIUM ELECTRICAL TEST KIT
DigiKey
$60.21
Klein Tools, Inc. 69355 PREMIUM ELECTRICAL TEST KIT
DigiKey
$49.37
ATD Tools 55048 - 3-48 Volt Digital Master Circuit Tester Kit
ToolPan
$49.37
ATD Tools 55048 - 3-48 Volt Digital Master Circuit Tester Kit
ToolPan
$18.57
Household Electrical Tester Kit (4-Piece)
Home Depot
Free shipping
$18.57
Household Electrical Tester Kit (4-Piece)
Home Depot
Free shipping
$49.97
Klein Tools ET310 Digital Circuit Breaker Finder With GFCI Outlet Tester | Supplyhouse.Com
SupplyHouse.com
$49.97
Klein Tools ET310 Digital Circuit Breaker Finder With GFCI Outlet Tester | Supplyhouse.Com
SupplyHouse.com
$15.99
Lisle 28400: Lisle Heavy-Duty Circuit Testers
Summit Racing
$15.99
Lisle 28400: Lisle Heavy-Duty Circuit Testers
Summit Racing
$48.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
$48.95
Jonard Tools Circuit Breaker Finder With GFCI Tester, CBF-100
FireFold
$14.00
K Tool International 72792 - Circuit Tester X-Long Red
ToolPan
$14.00
K Tool International 72792 - Circuit Tester X-Long Red
ToolPan
$92.39
Ideal 61-051 E-Z Check Plus Circuit Tester 120 VAC
Voomi Supply
377
$92.39
Ideal 61-051 E-Z Check Plus Circuit Tester 120 VAC
Voomi Supply
377
$225.21
Power Probe III Circuit Test Kit - Red, Model PPR319FTC-RED
Northern Tool
2K+
$225.21
Power Probe III Circuit Test Kit - Red, Model PPR319FTC-RED
Northern Tool
2K+
$15.95
Automotive Power Circuit Probe Electrical Tester Test Device System
eBay
Free shipping
$15.95
Automotive Power Circuit Probe Electrical Tester Test Device System
eBay
Free shipping

Shop electrical circuit tester

Sponsored
About our ads
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
Free shipping
$49.97
Klein Tools ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Amazon.com
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
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
Free shipping
$9.99
Test Light Automotive 3-48V Digital LED Circuit Tester, Auto Light Tester With Voltage Display, Electric Tester Pen With Voltmeter And Probe For
Amazon.com
$9.99
Test Light Automotive 3-48V Digital LED Circuit Tester, Auto Light Tester With Voltage Display, Electric Tester Pen With Voltmeter And Probe For
Amazon.com
$59.98
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
Free shipping
$59.98
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
Free shipping
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
Free shipping
$69.98
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters And Case
Amazon.com
Free shipping
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
$279.00
Extech CT70 GFCI And AC Circuit Analyzer - Professional Receptacle Tester With Voltage Drop, Line Impedance, And AC Load Simulation (12A, 15A, 20A) -
Amazon.com
Free shipping
$279.00
Extech CT70 GFCI And AC Circuit Analyzer - Professional Receptacle Tester With Voltage Drop, Line Impedance, And AC Load Simulation (12A, 15A, 20A) -
Amazon.com
Free shipping
$635.83
$719.99
Amprobe TIC 300 PRO High Voltage Detector Kit
Amazon.com
Free shipping
11% off
$635.83
$719.99
Amprobe TIC 300 PRO High Voltage Detector Kit
Amazon.com
Free shipping
$22.75
Sperry Instruments VD7504GFI Dualcheck 2-In-1 Non-Contact Voltage Detector + GFCI Outlet Circuit Analyzer, 360° Visual & Audible Indicators, 50-1000V
Amazon.com
$22.75
Sperry Instruments VD7504GFI Dualcheck 2-In-1 Non-Contact Voltage Detector + GFCI Outlet Circuit Analyzer, 360° Visual & Audible Indicators, 50-1000V
Amazon.com
$24.99
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
$24.99
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
$9.99
Heavy Duty Automotive Circuit Tester, Premium 6-24V Test Light With Extended Spring Test Leads & Sharp Piercing Probe, Circuit Voltage Tester With
Amazon.com
$9.99
Heavy Duty Automotive Circuit Tester, Premium 6-24V Test Light With Extended Spring Test Leads & Sharp Piercing Probe, Circuit Voltage Tester With
Amazon.com
$89.99
Autel Powerscan PS100 Power Circuit Probe Kit, 2026 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, 2026 Advanced Electrical Wire Tracer Circuit Relay Tester, Breaker Short Finder Tool, Activate
Amazon.com
Free shipping
$181.13
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946), Circuit Breaker Finder, 0-480 Volts AC/DC With Backlit Display, Find Breakers, Fuses,
Amazon.com
Free shipping
15% off
$181.13
$213.10
Ideal Electrical Suretrace Digital Circuit Tracer (61-946), Circuit Breaker Finder, 0-480 Volts AC/DC With Backlit Display, Find Breakers, Fuses,
Amazon.com
Free shipping
$15.94
Sperry Instruments GFI6302 GFCI Outlet / Receptacle Tester, Standard 120V AC Outlets, 7 Visual Indication / Wiring Legend, Home & Professional Use,
Amazon.com
$15.94
Sperry Instruments GFI6302 GFCI Outlet / Receptacle Tester, Standard 120V AC Outlets, 7 Visual Indication / Wiring Legend, Home & Professional Use,
Amazon.com
$804.00
Fluke - FLUKE-1587 FC FLUKE 1587 FC 2-In-1 Insulation Multimeter
Amazon.com
Free shipping
25% off
$804.00
Fluke - FLUKE-1587 FC FLUKE 1587 FC 2-In-1 Insulation Multimeter
Amazon.com
Free shipping
$13.90
VEVOR Voltage Tester Non-Contact Voltage Detector With Adjustable Sensitivity Dual Range Ac 12V-1000V/48V-1000V Live & Null Wire Tester Pen With
VEVOR
$13.90
VEVOR Voltage Tester Non-Contact Voltage Detector With Adjustable Sensitivity Dual Range Ac 12V-1000V/48V-1000V Live & Null Wire Tester Pen With
VEVOR
$15.90
VEVOR Outlet Tester Electrical Gfci Trip Tester Lcd Display Receptacle Detector For 7 Common Wiring Faults 3 Prong Socket Detector With Auto Shutoff
VEVOR
$15.90
VEVOR Outlet Tester Electrical Gfci Trip Tester Lcd Display Receptacle Detector For 7 Common Wiring Faults 3 Prong Socket Detector With Auto Shutoff
VEVOR
$31.99
Circuit Tester
Collision Services
$31.99
Circuit Tester
Collision Services