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Our most popular products based on sales. Updated frequently.
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Tools & Home Improvement
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Electrical
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麻豆区 in Circuit Testers
#1
Klein Tools 80016 Circuit Breaker Finder Tool Kit with Accessories, 2-Piece Set, Includes Cat. No. ET310 and Cat. No. 69411
4.5 out of 5 stars
鈥
9,591
6 offers from
$77.26
#2
KAIWEETS Circuit Breaker Finder with LCD Display, GFCI Outlet Tester, Electrical Circuit Tracer Tool with NCV Test & Flashlight, Includes Carrying Case and Adapters- KT301P
4.5 out of 5 stars
鈥
677
1 offer from
$79.99
#3
Klein Tools RT110 Outlet Tester, AC Electrical Receptacle Tester for North American Outlets
4.7 out of 5 stars
鈥
3,353
10 offers from
$12.99
#4
VDIAGTOOL V210 Car Cable Locator, Electric Cable Break Detector, Circuit Tester 6V-42V DC, Open and Short Circuit Finder, Cable Tracker with Receiver Probe
4.2 out of 5 stars
鈥
807
1 offer from
$44.99
#5
NOYAFA NF-8209S Network Cable Tester, Ethernet Cable Tester with CAT5, CAT6 Line Tracer, PoE, NCV, Length Test, Port Flashing, Fault Line Scan for Cable Grooming, LAN Network Cable Tracer Kit
4.5 out of 5 stars
鈥
144
1 offer from
$93.99
#6
Focemta Circuit Breaker Finder Kit with GFCI Outlet Tester for 90-135V AC Circuits,Includes Light Socket Adapter, 3-2 Prong Grounding & Clip Adapter,Portable Electrical Tool with Carrying Case
4.4 out of 5 stars
鈥
396
6 offers from
$79.99
#7
Klein Tools ET310KIT AC Circuit Breaker Finder Kit, Electric Tester, GFCI Tester, Leads, Adapters and Case
4.7 out of 5 stars
鈥
1,048
29 offers from
$108.47
#8
AstroAI Circuit Breaker Finder with GFCI Outlet Tester, Electrical Tester Tool for Home/Workshop Circuit Tracing, Quickly Locates Breakers with Indicators, Digital Breaker Finder
4.4 out of 5 stars
鈥
200
1 offer from
$69.99
#9
Proster Tone Generator Kit Wire Tracer Circuit Tester 200EP High Accuracy Cable Tester Line Finder Inductive Amplifier Probe Kit with Adjustable Volume for Network Cable Collation
4.0 out of 5 stars
鈥
123
1 offer from
$41.21
#10
Outlet Tester Electrical GFCI Receptacle Detector with LCD Display, 90-250V Socket Tester, Circuit Polarity Voltage Detector, Plug Tester Breaker Finder with 6 Visual Indication CAT II 300V (CA Plug)
4.4 out of 5 stars
鈥
318
1 offer from
$18.99
#11
GAYA Grounding Tester Earthing for Grounding Products, Electric Outlet Testing Plug in, GFCI Test, Receptacle and Plug Testers, Circuit, Ground, GFCI Outlet, Socket Power Check
4.4 out of 5 stars
鈥
227
2 offers from
$12.99
#12
Outlet Tester with GFCI Check - Grounding & Receptacle Circuit Tester, Electric Outlet Tester Plug in, Automatic Electric Circuit Polarity Voltage Detector Breaker Finder (Yellow)
4.8 out of 5 stars
鈥
122
1 offer from
$12.99
#13
Car Fuse Tester Automotive Current Circuit Tester Car Circuit Fault Finder 20A 48V Fuse Test Tool Automotive Blade Checker for Current Testing(Not Include Battery)
4.4 out of 5 stars
鈥
50
1 offer from
$24.99
#14
Autel PowerScan PS100 Power Circuit Probe Kit 2026, 12V 24V Automotive Electrical Wire Tracer Circuit Relay Tester, Breaker Short Finder Digital Multimeter, Ground Check Activate Component, 40ft Cable
4.7 out of 5 stars
鈥
183
1 offer from
$129.00
#15
FOCEMTA Circuit Breaker Finder & GFCI Outlet Tester with Digital LCD Display, 90-135V Electrical Circuit Tracer Tool for Electricians/DIY 鈥 Lightweight (Includes Batteries & Carrying Case)
4.2 out of 5 stars
鈥
539
3 offers from
$65.99
#16
Carrying Case Compatible with Klein Tools ET310 AC/80101/80016 Circuit Breaker Finder,GFCI Outlet Tester,69149P Electrical Test Kit,Circuit Tester Storage Organizer for Digital Multimeter,Clamp Meter
4.7 out of 5 stars
鈥
294
1 offer from
$26.99
#17
ITEQ Power Circuit Probe Tester, 6V-24V DC Test Light, Automotive Short Circuit Located and Component Activated, 12V Auto Electrical Tester, Polarity Identify with LED Light, Overload Protection
4.6 out of 5 stars
鈥
408
1 offer from
$22.99
#18
Network Ethernet Cable Tester for LAN RJ45 RJ45 CAT5 CAT5E CAT6 CAT6A CAT7, Ethernet Wire Tester Tool UTP/STP Continuity Test for Telephone Line Finder Home Repair
4.8 out of 5 stars
鈥
104
1 offer from
$16.97
#19
Gardner Bender GRT-3500 Standard Outlet Tester
4.6 out of 5 stars
鈥
1,024
6 offers from
$14.27
#20
Automotive Electrical Open & Short Finder Circuit Tester Wire Tracer DC 6-42V Circuit Breaker Finder Short Circuit Detector for Car Truck Tractor Boat RV
3.7 out of 5 stars
鈥
21
1 offer from
$23.99
#21
Haobase DC 6V/12V/24V Auto Truck Car Electrical Circuit Continuity Tester Test Light Pen Tool with Indicator Light
4.5 out of 5 stars
鈥
635
1 offer from
$13.99
#22
Brileine Dual-Function Coaxial & RJ45 Network Cable Tester with 2-Pack BNC Male to F Female Adapters, CAT5/CAT6/Coax Continuity Checker (Battery Not Included)
3.8 out of 5 stars
鈥
77
1 offer from
$29.99
#23
Power Probe PWP-PPECT3000 - ECT3000 Short/Open Electrical Circuit Tester
4.6 out of 5 stars
鈥
739
7 offers from
$264.31
#24
Power Circuit Probe Tester,6-24V DC Circuit Tester Automotive,Test Light,Fuse & Voltage Tester,Automotive Short Circuit Breake Finder Electrical Tools (Black) (Black)
4.2 out of 5 stars
鈥
286
2 offers from
$29.99
#25
Electrical Short Open Finder for Em415pro, Professional Wire Break Finder, Automotive Circuit Tester, Cable Fault Locator, DC 6-42V Adjustable Circuit Breaker Finder Tool for Cars Trucks
4.1 out of 5 stars
鈥
46
2 offers from
$14.89
#26
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
331
5 offers from
$26.10
#27
VDIAGTOOL V200 Pro Automotive Power Circuit Probe Tester, Broken Wire Detector Tool, 12/24V Car Open Short Circuit Breaker Finder, Electrical Wire Cable Tracer, AC/DC Relay Fuse Continuity Testing Kit
4.4 out of 5 stars
鈥
657
1 offer from
$149.99
#28
AWBLIN Wire Tracer Automotive Electrical Open & Short Finder Circuit Tester Wire Breaker Finder Fault Probe Cable Tracker Electrical DC 6-42V
4.4 out of 5 stars
鈥
90
1 offer from
$52.99
#29
VCELINK Network Cable Tester, Ethernet Wire Test Tool for RJ45 CAT6A, CAT6, CAT5E, CAT5 Cable and RJ11 Phone Cable, Black, 1-Pack
4.5 out of 5 stars
鈥
151
1 offer from
$16.99
#30
Tadeto Circuit Breaker Finder Tool with Outlet Tester, Quickly GFCI, Voltage, Electric Tester with Dual LCD Display, Light Socket and 3-2 Prong Grounding Adapter, Alligator Clip Adapter
4.4 out of 5 stars
鈥
189
1 offer from
$60.79
#31
Gardner Bender GTK-2 Safety Kit, GVD-3504 Non-Contact Voltage Tester and GFI-3501 GFI Tester, 2-Piece
4.4 out of 5 stars
鈥
2,557
8 offers from
$33.56
#32
Mcbazel Network Cable Tester for RJ11/RJ45 鈥 Ethernet & Phone Line Tester with Smart Indicator Display, Wire Mapping & Short Circuit Detection
4.3 out of 5 stars
鈥
157
1 offer from
$9.99
#33
NOYAFA NF-8209 Network Cable Tester, Ethernet Cable Wire Tester with POE & NCV for CAT5/CAT6 Wire Tracer, Length Test, RJ45 Network Tester Kit for Cable Tracer Telephone Line Finder Home Repair
4.2 out of 5 stars
鈥
1,984
1 offer from
$62.69
#34
Fluke BK120 SmartTrace Breaker Finder and Socket Tester
4.6 out of 5 stars
鈥
504
9 offers from
$111.99
#35
7-Way Round Pin Tractor Trailer Light Tester One-Man Testing Replace# 7865L
4.7 out of 5 stars
鈥
101
1 offer from
$32.99
#36
allsun em415Pro Circuit Break Short Auto Finder Cable Wire Breaker Tracker DC Under 42V,12V Battery Diagnostics Wire Tracking
4.0 out of 5 stars
鈥
2,726
1 offer from
$39.90
#37
Test Light Automotive, Circuit Tester 6V-12V-24V Car Electrical Pen with Alligator Clip Long Stainless Probe, Continuity Voltage Fuse Dual Color Polarity Indicator for Sedan, SUV,RV and Truck
4.9 out of 5 stars
鈥
8
1 offer from
$11.99
#38
NOYAFA NF-827 Circuit Breaker Finder Tool with 3 Accessories &GFCI Outlet Tester, 90-120V AC Circuit Breaker Finder, Quickly Identify NCV Circuit Tester with Storage Case, Sensitivity Adjustment
3.9 out of 5 stars
鈥
546
2 offers from
$59.99
#39
Automotive Circuit Fault Probe Tester, Portable Cnbj 611 Tester, 20A 48V High-Precision Current Tester 2-in-1 Power Short Finder Car Relay Fuse Blade Checker with LED Display and Light
3.1 out of 5 stars
鈥
7
1 offer from
$20.99
#40
4-Way Flat Trailer Wiring Tester, 4-Pin Double End Male & Female Plug Trailer Light Wire Circuit Tester with Indicators Testing Tool for Turn Signals Tail Lights Trouble Shooter
4.4 out of 5 stars
鈥
4
1 offer from
$11.99
#41
Nilight 7 Way Blade Trailer Connector Tester with Red LEDs Indicators Heavy Duty 7 Pin Trailer Light Wire Circuit Tester Trailer Hitch Wiring Tester, 2 Years Warranty
4.4 out of 5 stars
鈥
360
1 offer from
$17.80
#42
Gardner Bender GK-5 Household Tester Electrical Test Kit, Red
4.5 out of 5 stars
鈥
851
1 offer from
$29.99
#43
Merisky Outlet Tester for Grounding Products, Grounding Tester with GFCI, Receptacle Socket Tester for Proper Wiring, Circuit Tester for Electrical Assessment
4.8 out of 5 stars
鈥
71
1 offer from
$12.99
#44
Power Circuit Probe Tester 6V-24V DC Test Light Car Fuse Tester Tool 12V Short Circuit Finder 12V Auto Electrical Tester Kit Component Polarity Identify With Overload Protection,4M Super-Long Lead Kit
4.2 out of 5 stars
鈥
103
2 offers from
$19.99
#45
CNBJ-611 Automotive Fuse Current Tester, Car Circuit Tester, Car Leakage Analyzer Fault Testing Tool with Blue Backlight LCD Display Front Illumination Light
4.2 out of 5 stars
鈥
6
1 offer from
$20.99
#46
Huepar 2-in-1 GFCI Outlet Tester with Digital LCD Display, NCV GFCI 30-150V VoltageTester, Standard 3-Wire Receptacle Socket Tester, Detects Common Home and Office Wiring Problems (CA Plug)
4.2 out of 5 stars
鈥
17
1 offer from
$39.99
#47
VDIAGTOOL V200 PRO Upgrade Kit Automotive Power Circuit Probe Tester with 30PCS Back Probe Kit, 12/24V Electrical Short and Open Circuit Finder AC/DC Voltage Test Activating Component 40Ft Cable
4.5 out of 5 stars
鈥
270
1 offer from
$219.99
#48
Stanz (TM) Network Cable Tester for LAN Phone RJ45 RJ11 RJ12 Cat5 Cat6 Cat7 Cat8 FTP UTP Wire Test Tool Battery not Included
4.1 out of 5 stars
鈥
372
1 offer from
$9.99
#49
AEIMIAIDE 2 Pcs DC 6V/12V/24V Auto Truck Car Electrical Circuit Continuity Tester Test Light Pen Tool with Indicator Light for Low Voltage Systems, Fuse, Switch, Wires
4.0 out of 5 stars
鈥
21
1 offer from
$16.99
#50
Power Probe Short/Open Circuit Finder NO Box Car Test Electrical Circuit Tester
4.4 out of 5 stars
鈥
785
6 offers from
$186.65
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