Shop testing circuits

Sponsored
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$35.99
CB-01 CB01 Circuit Buddy Circuit Tester / Test Light - Made For The Automotive Industry
Freedom Racing Tool and Auto, LLC
$35.99
CB-01 CB01 Circuit Buddy Circuit Tester / Test Light - Made For The Automotive Industry
Freedom Racing Tool and Auto, LLC
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
753
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
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool, Read
Amazon.com
Free shipping
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool, Read
Amazon.com
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VEVOR Automotive Circuit Tester Kit 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting 2-In-1 Electrical Automotive Power
VEVOR
$76.99
VEVOR Automotive Circuit Tester Kit 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting 2-In-1 Electrical Automotive Power
VEVOR
$49.99
SHF8002 Professional Cordless Computer-Safe Circuit Tester
Freedom Racing Tool and Auto, LLC
$49.99
SHF8002 Professional Cordless Computer-Safe Circuit Tester
Freedom Racing Tool and Auto, LLC
$45.99
Automotive Power Scan Electrical Circuit Probe Tester Kit Diagnostic
eBay
Free shipping
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Automotive Power Scan Electrical Circuit Probe Tester Kit Diagnostic
eBay
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Ancel Pb600 Circuit Probe Tester Kit 12-24V Automotive Electrical
eBay
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Ancel Pb600 Circuit Probe Tester Kit 12-24V Automotive Electrical
eBay
$76.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 19.7 ft
VEVOR
$76.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 19.7 ft
VEVOR
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Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
47
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
$39.98
Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
128
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Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
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Greenlee CS8000 Circuit Seeker Circuit Tracer
Toolup.com
25
$1,169.99
Greenlee CS8000 Circuit Seeker Circuit Tracer
Toolup.com
$41.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 13 ft /
VEVOR
$41.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 13 ft /
VEVOR
$1,120.00
$2,240.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
eBay
Free shipping
50% off
$1,120.00
$2,240.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
eBay
$39.11
Whole Set Multimeter Test Lead Kits Set Essential Automotive Electronic Connectors Cables Hand Tool Battery Tester & Auto Diagnostic Tools
Amazon.com
104
Free shipping
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Whole Set Multimeter Test Lead Kits Set Essential Automotive Electronic Connectors Cables Hand Tool Battery Tester & Auto Diagnostic Tools
Amazon.com
$307.99
12-24V AC/DC Digital Power Circuit Probe Tester, Short & Open Circuit Finder With 30PCS Back Probe Kit, 40ft Cable
Home Depot
Free shipping
$307.99
12-24V AC/DC Digital Power Circuit Probe Tester, Short & Open Circuit Finder With 30PCS Back Probe Kit, 40ft Cable
Home Depot
$12.78
$19.99
Heavy Duty 5-120V Digital LED Circuit Tester
Pumaloves
36% off
$12.78
$19.99
Heavy Duty 5-120V Digital LED Circuit Tester
Pumaloves
$6.39
$6.51
High Quality Auto Circuit Tester Truck Voltage Tester Circuit DC 6V 12V 24V Auto Diagnostic Probe
Aliexpress
$6.39
$6.51
High Quality Auto Circuit Tester Truck Voltage Tester Circuit DC 6V 12V 24V Auto Diagnostic Probe
Aliexpress
$69.99
Klein Tools Circuit Breaker Finder Kit - ET310KIT
Acme Tools
517
$69.99
Klein Tools Circuit Breaker Finder Kit - ET310KIT
Acme Tools
$85.61
Circuit Breaker Finder Kit With GFCI Outlet Tester For 90-135V AC Circuits,Inclu
US eBay
Free shipping
$85.61
Circuit Breaker Finder Kit With GFCI Outlet Tester For 90-135V AC Circuits,Inclu
US eBay
$33.99
Klein Tools Circuit Tester - 69105
Acme Tools
1
$33.99
Klein Tools Circuit Tester - 69105
Acme Tools
$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
$1,120.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
US eBay
Free shipping
$1,120.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
US eBay
$37.79
$41.99
Performance Tool W2990 Computer Safe LED Digital Circuit Tester 1981
CJ Pony Parts
10% off
$37.79
$41.99
Performance Tool W2990 Computer Safe LED Digital Circuit Tester 1981
CJ Pony Parts
$281.57
110-Piece Automotive Circuit Test Lead Kit Electrical Diagnostic Back Probe Relay Wire Connector Set With Case
Home Depot
Free shipping
$281.57
110-Piece Automotive Circuit Test Lead Kit Electrical Diagnostic Back Probe Relay Wire Connector Set With Case
Home Depot
$99.00
REED R5320 Wire Tracer And Circuit Testing Kit
Globaltestsupply.com
$99.00
REED R5320 Wire Tracer And Circuit Testing Kit
Globaltestsupply.com
$34.02
$45.88
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
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$45.88
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
$144.56
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Complete Set Of Automotive Circuit Test Lead Kit,Multimeter Test Kits, Lead Testmulti-Function
Aliexpress
Free shipping
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Complete Set Of Automotive Circuit Test Lead Kit,Multimeter Test Kits, Lead Testmulti-Function
Aliexpress
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$130.00
Digital Multimeter Test Kit + Circuit Breaker Finder Kit(Tester Kit + Breaker Kit)
dalemisczynski.com
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$78.00
$130.00
Digital Multimeter Test Kit + Circuit Breaker Finder Kit(Tester Kit + Breaker Kit)
dalemisczynski.com
$106.95
Complete Electrical Circuit Finder Kit With LCD Display - Fast Troubleshooting
US eBay
Free shipping
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Complete Electrical Circuit Finder Kit With LCD Display - Fast Troubleshooting
US eBay
$268.77
30-Piece Upgrade Kit Automotive Power Circuit Probe Tester 12/24-Volt Electrical Short Finder 40 ft. Cable Set
Home Depot
Free shipping
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30-Piece Upgrade Kit Automotive Power Circuit Probe Tester 12/24-Volt Electrical Short Finder 40 ft. Cable Set
Home Depot
$174.20
K Kriger Diy220, 220V Gray Circuit Tester With Gfci Outlet Tester, 1 Piece
Walmart
Free shipping
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K Kriger Diy220, 220V Gray Circuit Tester With Gfci Outlet Tester, 1 Piece
Walmart
$21.99
CRAFTSMAN 24V Circuit Tester - CMMT14103
Acme Tools
310
$21.99
CRAFTSMAN 24V Circuit Tester - CMMT14103
Acme Tools
$300.12
PSC-260 CIRCUIT TEST - Power Supplies & Power Supply Supplies
Radwell.com
$300.12
PSC-260 CIRCUIT TEST - Power Supplies & Power Supply Supplies
Radwell.com
$13.98
1 Electrical Receptacle Tester AC Outlet Plug 3 Prong Circuit Analyzer GND Open
Walmart
18
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1 Electrical Receptacle Tester AC Outlet Plug 3 Prong Circuit Analyzer GND Open
Walmart
$159.99
Klein Tools RT390: Klein Tools Circuit Analyzers
Summit Racing
75
Free shipping
$159.99
Klein Tools RT390: Klein Tools Circuit Analyzers
Summit Racing
$416.72
IDEAL INDUSTRIES Suretrace Circuit Tracer Kit, 0-600V AC / DC, Identifies Wiring Issues, For Commercial / Industrial Use
Voomi Supply
1
$416.72
IDEAL INDUSTRIES Suretrace Circuit Tracer Kit, 0-600V AC / DC, Identifies Wiring Issues, For Commercial / Industrial Use
Voomi Supply
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Shop testing circuits

Sponsored
About our ads
$41.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 13 ft /
VEVOR
$41.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 13 ft /
VEVOR
$1,120.00
$2,240.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
eBay
Free shipping
50% off
$1,120.00
$2,240.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
eBay
$39.11
Whole Set Multimeter Test Lead Kits Set Essential Automotive Electronic Connectors Cables Hand Tool Battery Tester & Auto Diagnostic Tools
Amazon.com
104
Free shipping
$39.11
Whole Set Multimeter Test Lead Kits Set Essential Automotive Electronic Connectors Cables Hand Tool Battery Tester & Auto Diagnostic Tools
Amazon.com
$307.99
12-24V AC/DC Digital Power Circuit Probe Tester, Short & Open Circuit Finder With 30PCS Back Probe Kit, 40ft Cable
Home Depot
Free shipping
$307.99
12-24V AC/DC Digital Power Circuit Probe Tester, Short & Open Circuit Finder With 30PCS Back Probe Kit, 40ft Cable
Home Depot
$12.78
$19.99
Heavy Duty 5-120V Digital LED Circuit Tester
Pumaloves
36% off
$12.78
$19.99
Heavy Duty 5-120V Digital LED Circuit Tester
Pumaloves
$6.39
$6.51
High Quality Auto Circuit Tester Truck Voltage Tester Circuit DC 6V 12V 24V Auto Diagnostic Probe
Aliexpress
$6.39
$6.51
High Quality Auto Circuit Tester Truck Voltage Tester Circuit DC 6V 12V 24V Auto Diagnostic Probe
Aliexpress
$69.99
Klein Tools Circuit Breaker Finder Kit - ET310KIT
Acme Tools
517
$69.99
Klein Tools Circuit Breaker Finder Kit - ET310KIT
Acme Tools
$85.61
Circuit Breaker Finder Kit With GFCI Outlet Tester For 90-135V AC Circuits,Inclu
US eBay
Free shipping
$85.61
Circuit Breaker Finder Kit With GFCI Outlet Tester For 90-135V AC Circuits,Inclu
US eBay
$33.99
Klein Tools Circuit Tester - 69105
Acme Tools
1
$33.99
Klein Tools Circuit Tester - 69105
Acme Tools
$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
$1,120.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
US eBay
Free shipping
$1,120.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
US eBay
$37.79
$41.99
Performance Tool W2990 Computer Safe LED Digital Circuit Tester 1981
CJ Pony Parts
10% off
$37.79
$41.99
Performance Tool W2990 Computer Safe LED Digital Circuit Tester 1981
CJ Pony Parts
$281.57
110-Piece Automotive Circuit Test Lead Kit Electrical Diagnostic Back Probe Relay Wire Connector Set With Case
Home Depot
Free shipping
$281.57
110-Piece Automotive Circuit Test Lead Kit Electrical Diagnostic Back Probe Relay Wire Connector Set With Case
Home Depot
$99.00
REED R5320 Wire Tracer And Circuit Testing Kit
Globaltestsupply.com
$99.00
REED R5320 Wire Tracer And Circuit Testing Kit
Globaltestsupply.com
$34.02
$45.88
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
Free shipping
25% off
$34.02
$45.88
ET310 AC Circuit Breaker Finder, Electric And Voltage Tester With Integrated GFCI Outlet Tester
Aliexpress
$144.56
$289.12
Complete Set Of Automotive Circuit Test Lead Kit,Multimeter Test Kits, Lead Testmulti-Function
Aliexpress
Free shipping
50% off
$144.56
$289.12
Complete Set Of Automotive Circuit Test Lead Kit,Multimeter Test Kits, Lead Testmulti-Function
Aliexpress
$78.00
$130.00
Digital Multimeter Test Kit + Circuit Breaker Finder Kit(Tester Kit + Breaker Kit)
dalemisczynski.com
40% off
$78.00
$130.00
Digital Multimeter Test Kit + Circuit Breaker Finder Kit(Tester Kit + Breaker Kit)
dalemisczynski.com
$106.95
Complete Electrical Circuit Finder Kit With LCD Display - Fast Troubleshooting
US eBay
Free shipping
$106.95
Complete Electrical Circuit Finder Kit With LCD Display - Fast Troubleshooting
US eBay

Shop testing circuits

Sponsored
About our ads
$35.99
CB-01 CB01 Circuit Buddy Circuit Tester / Test Light - Made For The Automotive Industry
Freedom Racing Tool and Auto, LLC
$35.99
CB-01 CB01 Circuit Buddy Circuit Tester / Test Light - Made For The Automotive Industry
Freedom Racing Tool and Auto, LLC
$89.99
Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet And Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 4-Piece
Amazon.com
753
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
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool, Read
Amazon.com
Free shipping
$89.99
2025 Autel Powerscan PS100 Power Circuit Probe Kit, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Open Breaker Short Find Tool, Read
Amazon.com
$76.99
VEVOR Automotive Circuit Tester Kit 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting 2-In-1 Electrical Automotive Power
VEVOR
$76.99
VEVOR Automotive Circuit Tester Kit 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting 2-In-1 Electrical Automotive Power
VEVOR
$49.99
SHF8002 Professional Cordless Computer-Safe Circuit Tester
Freedom Racing Tool and Auto, LLC
$49.99
SHF8002 Professional Cordless Computer-Safe Circuit Tester
Freedom Racing Tool and Auto, LLC
$45.99
Automotive Power Scan Electrical Circuit Probe Tester Kit Diagnostic
eBay
Free shipping
$45.99
Automotive Power Scan Electrical Circuit Probe Tester Kit Diagnostic
eBay
$139.99
Ancel Pb600 Circuit Probe Tester Kit 12-24V Automotive Electrical
eBay
Free shipping
$139.99
Ancel Pb600 Circuit Probe Tester Kit 12-24V Automotive Electrical
eBay
$76.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 19.7 ft
VEVOR
$76.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 19.7 ft
VEVOR
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
47
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
$39.98
Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
128
$39.98
Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
$1,169.99
Greenlee CS8000 Circuit Seeker Circuit Tracer
Toolup.com
25
$1,169.99
Greenlee CS8000 Circuit Seeker Circuit Tracer
Toolup.com
$41.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 13 ft /
VEVOR
$41.99
VEVOR Automotive Circuit Tester 8 - 35 Dcv Power Circuit Probe Tester With Tft Color Display And Lighting Automotive Power Tester Probe With 13 ft /
VEVOR
$1,120.00
$2,240.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
eBay
Free shipping
50% off
$1,120.00
$2,240.00
JH1001 DC 100A Switchgear Circuit Breaker Loop Contact Resistance Tester Meter
eBay
$39.11
Whole Set Multimeter Test Lead Kits Set Essential Automotive Electronic Connectors Cables Hand Tool Battery Tester & Auto Diagnostic Tools
Amazon.com
104
Free shipping
$39.11
Whole Set Multimeter Test Lead Kits Set Essential Automotive Electronic Connectors Cables Hand Tool Battery Tester & Auto Diagnostic Tools
Amazon.com
$307.99
12-24V AC/DC Digital Power Circuit Probe Tester, Short & Open Circuit Finder With 30PCS Back Probe Kit, 40ft Cable
Home Depot
Free shipping
$307.99
12-24V AC/DC Digital Power Circuit Probe Tester, Short & Open Circuit Finder With 30PCS Back Probe Kit, 40ft Cable
Home Depot
$12.78
$19.99
Heavy Duty 5-120V Digital LED Circuit Tester
Pumaloves
36% off
$12.78
$19.99
Heavy Duty 5-120V Digital LED Circuit Tester
Pumaloves
$6.39
$6.51
High Quality Auto Circuit Tester Truck Voltage Tester Circuit DC 6V 12V 24V Auto Diagnostic Probe
Aliexpress
$6.39
$6.51
High Quality Auto Circuit Tester Truck Voltage Tester Circuit DC 6V 12V 24V Auto Diagnostic Probe
Aliexpress
$69.99
Klein Tools Circuit Breaker Finder Kit - ET310KIT
Acme Tools
517
$69.99
Klein Tools Circuit Breaker Finder Kit - ET310KIT
Acme Tools