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Our most popular products based on sales. Updated frequently.
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Any Department
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Tools & Home Improvement
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Electrical
Tools & Testers
Ammeters
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Circuit Testers
(Current)
Multi Testers
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麻豆区 in Circuit Testers
#51
Power Probe Short/Open Circuit Finder NO Box Car Test Electrical Circuit Tester
4.3 out of 5 stars
鈥
699
8 offers from
$194.00
#52
CXTM Trailer Light Tester 7 Pin Trailer Plug Tester, 7 Way Wiring Tester with LED Lights RV Connector Socket Circuit Tester
4.4 out of 5 stars
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672
3 offers from
$14.99
#53
NOYAFA NF-827 AC Circuit Breaker Finder, New Upgraded Quickly Identify 90-120V NCV Circuit Breaker Finder Tool Kit with Integrated GFCI Outlet Tester, Electric Tester with Storage Case, Flashlight
4.0 out of 5 stars
鈥
85
4 offers from
$59.99
#54
Case Compatible with Klein Tools VDV501-851 VDV500-123 VDV226-110 VDV427-300. Storage Carrying Travel Holder for Cable Tester for Scout Pro 3/ Tracer Probe/Wire Stripper and Accessories (Box Only)
4.2 out of 5 stars
鈥
17
1 offer from
$38.99
#55
allsun Automotive Electrical Circuit Tester Probe 2-24V DC Pen Vehicle Power Diagnostic Tool Auto Wire Test Light Device
4.3 out of 5 stars
鈥
2,177
2 offers from
$37.99
#56
Mcbazel Network Cable Tester for RJ11/RJ45 鈥 Ethernet & Phone Line Tester with Smart Indicator Display, Wire Mapping & Short Circuit Detection
4.5 out of 5 stars
鈥
88
1 offer from
$13.99
#57
4 Pin Trailer Plug Tester, 4-Way Flat Trailer Wiring Tester with LED Indicators for Wire Connector Brake Turn Signal & Tail Lights Quick Troubleshooting Essential Car Accessories Repair Kit
5.0 out of 5 stars
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4
1 offer from
$8.99
#58
TESMEN TOE-100BMAX Electrical Outlet Tester with GFCI/RCD Trip Time Test, Backlit LCD, Data Hold, Voltage Measurement, Receptacle Tester for Home & Daily Safety Checks - Green
4.5 out of 5 stars
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209
1 offer from
$19.99
#59
Klein Tools RT250 GFCI Outlet Tester with LCD Display, Electric Voltage Tester for Standard 3-Wire 120V Electrical Receptacles
4.8 out of 5 stars
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10,418
15 offers from
$49.99
#60
Automotive Short Open Finder Cable Circuit Car Wire Tracker Repair Tester Tool DC 6-42 V Short Circuit Detector Short Detector Tool Power Probe Short Finder
3.9 out of 5 stars
鈥
78
1 offer from
$31.25
#61
MFL. 15-Plug Audio Cable Tester Line Finder Black 15-in-1 Cables Checker 10-Way Switch Wire Tracker with LED Indicators, Rectangular
4.7 out of 5 stars
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621
1 offer from
$84.82
#62
Rofawee RT01 Automobile Relay Tester, Battery Digital Display Tester, Relay Analyzer, unrsal for 12V/24V Four-pin and f-pin relays.
5.0 out of 5 stars
鈥
1
1 offer from
$17.99
#63
Klein Tools ET310 AC Circuit Breaker Finder, Electric and Voltage Tester with Integrated GFCI Outlet Tester
4.6 out of 5 stars
鈥
22,630
#64
Linkstyle 2PCS Test Light, 3V-48V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Electrical Voltage Tester with Extended Spring Wire & Probe
4.1 out of 5 stars
鈥
412
1 offer from
$25.99
#65
Fluke ST120 GFCI Socket Tester, 110 to 125 V AC
4.8 out of 5 stars
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1,508
1 offer from
$50.10
#66
KZYEE KM10 Automotive Power Circuit Probe Kit, 6V-30V Vehicle Electrical Relay Tester, Multimeter, Short Circuit Finder, Voltage, Continuity, Diode, Resistance Test, Component Activator, 40FT Cable
4.2 out of 5 stars
鈥
3,665
1 offer from
$119.99
#67
Cable Tone Generator Kit, 200EP Cable Tracing Tester, Line Finder Wire, for Cable Collation
3.9 out of 5 stars
鈥
11
2 offers from
$45.69
#68
Automotive Electrical Open & Short Finder Circuit Tester Wire Tracer DC 6-42V Circuit Breaker Finder Short Circuit Detector for Car Truck Tractor Boat RV
3.5 out of 5 stars
鈥
5
1 offer from
$23.99
#69
Enhanced Automotive Test Light, 3V-48V Digital Fuse Tester with Automatic Bidirectional Voltage Tester, Portable Design, and Precise Voltage Measurement for Car, RV, and Truck
4.3 out of 5 stars
鈥
127
3 offers from
$14.99
#70
Klein Tools VDV501-853 Coaxial Cable Tester, Scout Pro 3 with Test-n-Map Remote, Includes Remotes #2 - #6, Tests Voice, Data and Video Cable
4.7 out of 5 stars
鈥
358
5 offers from
$263.98
#71
2PCS Electric Tester Light, 6V-12V-24V DC Auto Circuit Tester With Extended Spring Wire and Ordinary Straight Wire for Voltage Systems, Cars, Live Wires
4.1 out of 5 stars
鈥
34
1 offer from
$16.49
#72
Meagkka Power Circuit Probe Tester, 6-24V Automotive Circuit Tester, Auto Electrical System Test Tool DC Digital Voltage Short Finder Car Truck Circuit Test Pen
4.5 out of 5 stars
鈥
94
1 offer from
$19.94
#73
(Pocket Continuity Tester & Toner) - Jonard Tools PT-100 Coax Cable Wire Tracer Pocket Continuity Tester & Toner with Audible Beep and LED, Red
4.4 out of 5 stars
鈥
301
5 offers from
$30.42
#74
Parasitic Draw Fuse Tester, Probe Fuse Monitor, Car Power Circuit Board Testing, SMD Component Testers for Resistors Capacitor Diodes Transistors & Battery,Automotive Boat Electronic Checks Diagnosing
5.0 out of 5 stars
鈥
1
2 offers from
$26.99
#75
Power Probe PPFUSE Fuse Monitor - Circuit Tester for Mini, Maxi & ATC Fuses 鈥 Live Current Readings Up to 80A 鈥 Replaceable Tips, and Built-in Flashlight
4.5 out of 5 stars
鈥
70
17 offers from
$213.05
#76
WINAMOO Automotive Test Ligh LED Digital Voltage Display, Auto Circuit Tester with Voltmeter & Dual Color Polarity Indicate, Electric (Brown, One Size)
4.7 out of 5 stars
鈥
1,375
12 offers from
$18.92
#77
Automotive Test Light with 3-48V LED Digital Display, Automotive Circuit Tester with Voltmeter and Dual Color Polarity Indicator Light, Voltage Test Pen with Stainless Probe for Car/Truck/SUV Checker
4.8 out of 5 stars
鈥
11
1 offer from
$13.49
#78
UNI-T UT25A Circuit Breaker Finder,GFCI Outlet Tester,with NCV Test &Adjustable Sensitivity Buzzer Indication,Beeper Indicattion/Flashing Prompt,Applicable to Circuit Break Finder and Socket Test
4.2 out of 5 stars
鈥
39
3 offers from
$52.68
#79
Gardner Bender GK-5 Household Tester Electrical Test Kit, Red
4.5 out of 5 stars
鈥
818
2 offers from
$39.99
#80
Fuse Tester for HVAC Systems, 3 Amp & 5 Amp Resettable Fuse Breakers, UL Rated 24V AC/DC 125/250V AC, Circuit Breaker Diagnostic Tool
4.7 out of 5 stars
鈥
15
1 offer from
$25.99
#81
Lisle 28400 Heavy Duty Circuit Tests Low-Voltage Up to 12-Volts
4.6 out of 5 stars
鈥
549
10 offers from
$25.99
#82
Liyquint Analog to Digital ADC Module 16-Bit ADS1115 I2C 4-Channel ADC Development Board Analog to Digital Converter Module, Electronic Components
4.5 out of 5 stars
鈥
6
1 offer from
$16.99
#83
Circuit Finder, 50-60Hz 90-120V Professional Circuit Breaker Finder Sensitivity Adjustable Socket Tester Diagnostic-Tool
4.2 out of 5 stars
鈥
70
3 offers from
$46.97
#84
NOYAFA NF-8209 Network Cable Tester, Ethernet Ethernet Wire Tracker, PoE Test with NCV for CAT5/CAT6/CAT6a, LAN Tester for Tracker Underground Telephone Line Finder Home Repair, Length Test
4.2 out of 5 stars
鈥
1,907
2 offers from
$72.99
#85
Circuit Breaker Finder Wire Tracer Electrical Circuit Tracer Tone Generator and Probe Kit - Network Cable Continuity Tester Electric - Automotive Wire Tracker Telephone Line Finder Toner Detector Tool
3.5 out of 5 stars
鈥
1,116
1 offer from
$25.98
#86
ANCEL PB100 Power Circuit Probe Kit,4-Modes Circuit Tester for 6V-30V Vehicle Electrical System,Automotive Short/Open Circuit Finder,Activate Component Ground Check,Continuity Polarity Test,40FT Cable
4.4 out of 5 stars
鈥
2,627
1 offer from
$119.99
#87
allsun em415Pro Circuit Break Short Auto Finder Cable Wire Breaker Tracker DC Under 42V,12V Battery Diagnostics Wire Tracking
4.1 out of 5 stars
鈥
2,679
2 offers from
$39.90
#88
Oyviny 7 Way Blade Trailer Connector Tester with Red LEDs Indicators, 7-Way Trailer Plug Tester 7 Pin RV Trailer Circuit Tester Trailer Light Tester Heavy Duty Trailer Hitch Wiring Tester
4.0 out of 5 stars
鈥
71
1 offer from
$18.99
#89
GFCI Receptacle Tester (New)
4.6 out of 5 stars
鈥
1,820
6 offers from
$29.85
#90
VDIAGTOOL V500 Pro Automotive Power Circuit Probe Tester with Breaker Finder, 9V-30V Auto Electrical Circuit Tester Kit, Multimeter/Oscilloscope/Relay/Injector Test, Open Short Finder, 20FT Cable
4.7 out of 5 stars
鈥
134
2 offers from
$299.99
#91
Innovative Products of #7865L 7-Way Round Pin Tractor Trailer Circuit Chaser鈩
4.7 out of 5 stars
鈥
72
1 offer from
$32.99
#92
LYDODOKA Probe Fuse Monitor, Automotive Draw Fuse Tester, Rotatable 180掳 Digital Smart SMD Testers, Replaceable Tips & Built-in Flashlight, Car Power Circuit Testing Tool for Boat Caravan
4.0 out of 5 stars
鈥
11
1 offer from
$24.95
#93
Tone Generator Kit, Wire Tracer Circuit Tester Network Cable Tracing Tester Kit Wire Tracer Circuit Tester Cable Toner Detector for Network Cables Collation
4.5 out of 5 stars
鈥
2
1 offer from
$34.59
#94
TuNan 6V-12V-24V DC Car Circuit Tester Light, Professional Auto Voltage Continuity Test, Automotive Electrical Volt Test Light/Long Probe for Wire/Fuse/Socket and More - Black
4.5 out of 5 stars
鈥
440
1 offer from
$13.70
#95
Cable Tracker Electrical Circuit Tester, DC6-42V Wire Tracer Automotive Short and Open Circuit Finder EM415PRO, Wire Tracing Automotive Diagnostics Tool Kit with Buzzer Alarm
4.7 out of 5 stars
鈥
5
1 offer from
$29.82
#96
YEREADW Outlet Tester Electrical GFCI Receptacle Detector, 90-250V Ground Fault Receptacle Tester & Circuit Analyzer, Circuit Polarity Voltage Detector, Plug Tester Breaker Finder (CA Plug)
4.4 out of 5 stars
鈥
152
1 offer from
$20.97
#97
Car Circuit Tester Pen, 3-24V DC Test Light with Voltage Display and Polarity Indicate, Auto Fuse Tester with Vise Clip and Probe Pen for Various Vehicles to Checking Switches, Wiring
4.3 out of 5 stars
鈥
32
5 offers from
$9.04
#98
Sysotek Visual Fault Locator - Rechargeable Red Light VFL Fiber Optic Tool kit - Retractable Head fits SC FC ST - Optical Laser Light Pen - Network Cable Tester - with Protective Case and LC Adapter
4.0 out of 5 stars
鈥
132
1 offer from
$49.99
#99
AWBLIN 4-75V DC Automotive Test Light with Buzzer Sound, LCD Digital Light Tester with Voltmeter, Heavy Duty Circuit Tester with Illumination, Fuse Voltage Tester Auto Electrical Tool
4.6 out of 5 stars
鈥
189
2 offers from
$33.59
#100
Klein Tools RT390 Circuit Analyzer with Large LCD, Identifies Wiring Faults, GFCI and AFCI Tester, Voltage Drop, Displays Trip Time
4.7 out of 5 stars
鈥
204
2 offers from
$315.08
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