Circuit Testers

Circuit Testers

FunnAura 3-120 V Circuit Tester with Digital Test Light for Car Fuse Wiring Circuit Checking

$29.99

View

Autel

✓

Circuit Testers

2026 Autel PowerScan PS100 Power Circuit Probe Tester, 12-24V Automotive Electrical Open/Short Breaker Finder, Component Activation Test Tool, AC/DC Trailer Relay Fuse Test, 40FT Cable, for 99% Cars

★★★★★4.6

$268.99

View

Socket Tester RCD Plug Outlet Tester Non-UK Electrical Receptacle Detector with LCD Display, 90-250V Power Socket Automatic Electric Circuit Polarity Breaker Finder (HT107D)

YEREADW

✓

Circuit Testers

Socket Tester RCD Plug Outlet Tester Non-UK Electrical Receptacle Detector with LCD Display, 90-250V Power Socket Automatic Electric Circuit Polarity Breaker Finder (HT107D)

★★★★★4.6

$75.99

View

Draper

✓

Circuit Testers

Draper 24702 6-42V Circuit Tracer and Detector

$106.99

Circuit Testers

Draper 24692 12V/24V Relay Tester

$141.99

View

Socket Tester RCD Plug Outlet Tester UK, Electrical Receptacle Detector with LCD Display, 30-260V Power Socket Automatic Electric Circuit Polarity Voltage Detector Plug Breaker Finder 6 Indication

YOJOCK

✓

Circuit Testers

Socket Tester RCD Plug Outlet Tester UK, Electrical Receptacle Detector with LCD Display, 30-260V Power Socket Automatic Electric Circuit Polarity Voltage Detector Plug Breaker Finder 6 Indication

★★★★★4.1

$41.99

View

Treedix

✓

Circuit Testers

Treedix Cable Tester Board for JTAG, IDC Flat Ribbon Cable Tester 20 LED Indicators Accurately Detect Short and Open Circuits, Tester Checker for 2×20pin 2.54mm/1.27mm JTAG Cable

$42.99

View

VDIAGTOOL

✓

Circuit Testers

VDIAGTOOL V500 Pro Automotive Power Circuit Probe Tester with Breaker Finder, Multimeter Oscilloscope Relay Fuse Injector Test, 9V-30V Car Electrical Open Short Finder, 20FT Cable Wire Tracer Detector

★★★★★4.6

$537.99

View

PRITOK

✓

Circuit Testers

PRITOK Socket Tester RCD Plug Outlet Tester: 90-250V LCD Display Outlet, Circuit Breaker Detector, Automatic Electric Circuit Polarity for Home and Office Electrical Safety (HT107E)

$41.99

View

Automotive Circuit Tester, Multifunctional Car Circuit Tester Electrical System Diagnostic Tool With LCD Display, Car Gadgets, Professional Car Inspection Tool For Car SUV Motorcycle

sicotool

✓

Circuit Testers

Automotive Circuit Tester, Multifunctional Car Circuit Tester Electrical System Diagnostic Tool With LCD Display, Car Gadgets, Professional Car Inspection Tool For Car SUV Motorcycle

$73.99

Circuit Testers

Draper 27197 13 and 7-Pin Towbar Socket Tester

$210.99

View

Risegun

✓

Circuit Testers

Risegun OBD2 Code Reader, Vechicle Check Engine Light Code Reader with Battery Voltage Tester, 12V 24V Breakout Box Car Diagnostic Tool for Monitoring Communication/Power/Ground Detection Signals

$129.99

Circuit Testers

Socket Tester plug and measure for Circuit Breakers Voltage Checker Detector with Sound Light Alarm HD Screen (UK Plug)

$52.99

View

Power Circuit Probe Tester, 3.5-36V DC Car Circuit Tester Voltage Tester with Digital Display, LED Light, Led Indicator, 4.5M Line, Short Circuit Finder Automotive Electrical Tester Fuse Tester

Luqixcey

✓

Circuit Testers

Power Circuit Probe Tester, 3.5-36V DC Car Circuit Tester Voltage Tester with Digital Display, LED Light, Led Indicator, 4.5M Line, Short Circuit Finder Automotive Electrical Tester Fuse Tester

★★★★★4.2

$32.99

Circuit Testers

ZOYI E10 Mains Wiring Socket Tester, Live Voltage & Wiring Display, Colour LCD, Non-Contact Voltage Detector, Audible Alert, RCD Plug-In Outlet Tester, Leakage & Polarity Finder, UK 13A

$124.99

View

NF-826 Underground Wire Locator & Cable Tracer/Buried Wire Tracer and Cable Locator/Under Ground Circuit Tracer,12-400V AC/DC voltage for Dog Fence Cables Irrigation Control Wires,Tone Generator Kit

YILTION

✓

Circuit Testers

NF-826 Underground Wire Locator & Cable Tracer/Buried Wire Tracer and Cable Locator/Under Ground Circuit Tracer,12-400V AC/DC voltage for Dog Fence Cables Irrigation Control Wires,Tone Generator Kit

$427.99

View

OBDResource

✓

Circuit Testers

OBDResource Voltage Tester Car Circuit Tester, 0V-80V DC Car Voltage Tester with Power Circuit Probe Digital Screen for Testing Car Battery/Continuity/Grounding/Polarity/Diode/Lamp

★★★★★4.5

$78.99

View

Circuit Polarity Voltage Detector Socket Tester - 220-250V Electric Mains Outlet Tester UK With LCD Display RCD GFCI Plug for Power Socket Wiring Detection

Bryte Links

✓

Circuit Testers

Circuit Polarity Voltage Detector Socket Tester - 220-250V Electric Mains Outlet Tester UK With LCD Display RCD GFCI Plug for Power Socket Wiring Detection

★★★★★4.5

$23.99

Circuit Testers

EITAI6900 Digital Flexible Coil Current Clamp Meter, AC 0.00A-9999A, 640mm/Φ200mm, Manufacturer Direct Sales, Rogowski Ammeter Large Current, Leakage Low Current Clamp

$205.99

Circuit Testers

EITAI1000C Non-Contact Phase Rotation Meter, AC 70V-1000V, Φ1.6mm-16mm, Manufacturer Direct Sales, Phase Rotation Tester

$121.99

View

SQUADO

✓

Circuit Testers

SQUADO Professional Network Repair Tool Kit Network Cable Tester Patch Cable Computer Tester RJ11 RJ45 Tool Bag Black

$65.99

View

Aicevoos

✓

Circuit Testers

Aicevoos D9C Socket Tester UK, RCD Plug Tester Receptacle Detector with LCD Display, 3 Prong AC Circuit Analyzer Includes 6 Types of Fault Diagnosis

$41.99

View

Circuit Tester, 3-70v Dc Voltage Tester with Digital Test Light Flashlight Measures Polarity Continuity, for Automotive Fuse Tester Wiring Circuit Checking

Zoe & Jim

✓

Circuit Testers

Circuit Tester, 3-70v Dc Voltage Tester with Digital Test Light Flashlight Measures Polarity Continuity, for Automotive Fuse Tester Wiring Circuit Checking

$20.99

View

ZONJIE

✓

Circuit Testers

ZONJIE Socket Tester - 90-250V Digital Electrical Voltage Tester with LCD Display Receptacle Socket Tester UK Circuit Analyzer Rcd Mains Outlet Electricity Line Fault Checker HT107E

$34.99

View

Featured products

FunnAura 3-120 V Circuit Tester with Digital Test Light for Car Fuse Wiring Circuit Checking

2026 Autel PowerScan PS100 Power Circuit Probe Tester, 12-24V Automotive Electrical Open/Short Breaker Finder, Component Activation Test Tool, AC/DC Trailer Relay Fuse Test, 40FT Cable, for 99% Cars

Socket Tester RCD Plug Outlet Tester Non-UK Electrical Receptacle Detector with LCD Display, 90-250V Power Socket Automatic Electric Circuit Polarity Breaker Finder (HT107D)

Draper 24702 6-42V Circuit Tracer and Detector

Draper 24692 12V/24V Relay Tester

Socket Tester RCD Plug Outlet Tester UK, Electrical Receptacle Detector with LCD Display, 30-260V Power Socket Automatic Electric Circuit Polarity Voltage Detector Plug Breaker Finder 6 Indication

Treedix Cable Tester Board for JTAG, IDC Flat Ribbon Cable Tester 20 LED Indicators Accurately Detect Short and Open Circuits, Tester Checker for 2×20pin 2.54mm/1.27mm JTAG Cable

VDIAGTOOL V500 Pro Automotive Power Circuit Probe Tester with Breaker Finder, Multimeter Oscilloscope Relay Fuse Injector Test, 9V-30V Car Electrical Open Short Finder, 20FT Cable Wire Tracer Detector

PRITOK Socket Tester RCD Plug Outlet Tester: 90-250V LCD Display Outlet, Circuit Breaker Detector, Automatic Electric Circuit Polarity for Home and Office Electrical Safety (HT107E)

Automotive Circuit Tester, Multifunctional Car Circuit Tester Electrical System Diagnostic Tool With LCD Display, Car Gadgets, Professional Car Inspection Tool For Car SUV Motorcycle

Draper 27197 13 and 7-Pin Towbar Socket Tester

Risegun OBD2 Code Reader, Vechicle Check Engine Light Code Reader with Battery Voltage Tester, 12V 24V Breakout Box Car Diagnostic Tool for Monitoring Communication/Power/Ground Detection Signals

Socket Tester plug and measure for Circuit Breakers Voltage Checker Detector with Sound Light Alarm HD Screen (UK Plug)

Power Circuit Probe Tester, 3.5-36V DC Car Circuit Tester Voltage Tester with Digital Display, LED Light, Led Indicator, 4.5M Line, Short Circuit Finder Automotive Electrical Tester Fuse Tester

ZOYI E10 Mains Wiring Socket Tester, Live Voltage & Wiring Display, Colour LCD, Non-Contact Voltage Detector, Audible Alert, RCD Plug-In Outlet Tester, Leakage & Polarity Finder, UK 13A

NF-826 Underground Wire Locator & Cable Tracer/Buried Wire Tracer and Cable Locator/Under Ground Circuit Tracer,12-400V AC/DC voltage for Dog Fence Cables Irrigation Control Wires,Tone Generator Kit

OBDResource Voltage Tester Car Circuit Tester, 0V-80V DC Car Voltage Tester with Power Circuit Probe Digital Screen for Testing Car Battery/Continuity/Grounding/Polarity/Diode/Lamp

Circuit Polarity Voltage Detector Socket Tester - 220-250V Electric Mains Outlet Tester UK With LCD Display RCD GFCI Plug for Power Socket Wiring Detection

EITAI6900 Digital Flexible Coil Current Clamp Meter, AC 0.00A-9999A, 640mm/Φ200mm, Manufacturer Direct Sales, Rogowski Ammeter Large Current, Leakage Low Current Clamp

EITAI1000C Non-Contact Phase Rotation Meter, AC 70V-1000V, Φ1.6mm-16mm, Manufacturer Direct Sales, Phase Rotation Tester

SQUADO Professional Network Repair Tool Kit Network Cable Tester Patch Cable Computer Tester RJ11 RJ45 Tool Bag Black

Aicevoos D9C Socket Tester UK, RCD Plug Tester Receptacle Detector with LCD Display, 3 Prong AC Circuit Analyzer Includes 6 Types of Fault Diagnosis

Circuit Tester, 3-70v Dc Voltage Tester with Digital Test Light Flashlight Measures Polarity Continuity, for Automotive Fuse Tester Wiring Circuit Checking

ZONJIE Socket Tester - 90-250V Digital Electrical Voltage Tester with LCD Display Receptacle Socket Tester UK Circuit Analyzer Rcd Mains Outlet Electricity Line Fault Checker HT107E