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All AgricultureAll IndustrialAgricultural Structures & HardwareCalibrationCleaning and FiltrationData RecordersElectrical TestingElectronic & Bench TestingHumidity MonitorsInspection & Analysis ToolsLivestock SuppliesMicroscopesMotion, Speed, Force MeasurementNetwork and Cable TestersPatient CarePH and ThermometersPressure & VacuumScalesSurface TestingTemperature & HumidityWater Quality & InstrumentationWeather StationsWeight, Sound, and Light MeasurementWind Speed Gauges
Connection Tester(460)
Uses item details. Price when purchased online
Best seller NOYAFA NF-826 Underground Wire Tracer & Cable Locator with Voltage Detection $115.51 Was $132.95
Sponsored
Now$11551
current price Now $115.51, Was $132.95$132.95
NOYAFA NF-826 Underground Wire Tracer & Cable Locator with Voltage Detection
224.7 out of 5 Stars. 22 reviews
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ANCEL PB500, 65V Red Digital Circuit Probe Kit Power Scan Automotive Circuit Tester From $49.99
Sponsored
From$4999
ANCEL PB500, 65V Red Digital Circuit Probe Kit Power Scan Automotive Circuit Tester
274.5 out of 5 Stars. 27 reviews
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TRENDnet TC-NT2 Network Cable Tester for TP and Coax Cables with 2 RJ-45-to-BNC Adapters $39.99 Was $54.25
Sponsored
Now$3999
current price Now $39.99, Was $54.25$54.25
TRENDnet TC-NT2 Network Cable Tester for TP and Coax Cables with 2 RJ-45-to-BNC Adapters
34.7 out of 5 Stars. 3 reviews
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In 25+ people's carts STORGENER Car Circuit Tester, Wire Piercing Circuit Tester, 6-12-24V, Automotive Probe Tool Electric Trailer Wiring Diagnosis From $10.99 Was $29.99
Sponsored
From$1099
$29.99
STORGENER Car Circuit Tester, Wire Piercing Circuit Tester, 6-12-24V, Automotive Probe Tool Electric Trailer Wiring Diagnosis
424.7 out of 5 Stars. 42 reviews
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Best seller EverStart 6-24V Automotive Circuit Tester, Bidirectional Polarity Test Light with Red/Green LED Indicator $5.44
$544
current price $5.44EverStart 6-24V Automotive Circuit Tester, Bidirectional Polarity Test Light with Red/Green LED Indicator
2034.4 out of 5 Stars. 203 reviews
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Treedix USB Cable Tester with 2.4" Color Screen for eMarker Reading, PD 3.0/3.1 Detection, Resistor and Continuity Check, Compatible with Lightning, Type-C, Micro-B 2.0/3.0, and Mini-B Cables $43.99
$4399
current price $43.99Treedix USB Cable Tester with 2.4" Color Screen for eMarker Reading, PD 3.0/3.1 Detection, Resistor and Continuity Check, Compatible with Lightning, Type-C, Micro-B 2.0/3.0, and Mini-B Cables
14 out of 5 Stars. 1 reviews
M Buder WZ-468 RJ45 and RJ11 Network Cable Tester Ethernet LAN Network Test Tool for Telephone Wire Circuit State Includes Detachable Section, 3.8 inches / 9.7 cm Size $10.96
$1096
current price $10.96M Buder WZ-468 RJ45 and RJ11 Network Cable Tester Ethernet LAN Network Test Tool for Telephone Wire Circuit State Includes Detachable Section, 3.8 inches / 9.7 cm Size
M Buder ET624 Multifunctional Wire Tracer CAT5 CAT6 Network Cable Tester Line Finder Digital Circuit Analyzer POE Cable Fault Locator and Continuity Tester with Built-in Multimeter and Battery $77.90
$7790
current price $77.90M Buder ET624 Multifunctional Wire Tracer CAT5 CAT6 Network Cable Tester Line Finder Digital Circuit Analyzer POE Cable Fault Locator and Continuity Tester with Built-in Multimeter and Battery
M Buder P60 Automotive Circuit Tester Car Electrical System Short Tester 6-30V DC LCD Display Flashlight Component Activation Continuity Testing Grounding Detection Trace Locate Short Circuits $31.81
$3181
current price $31.81M Buder P60 Automotive Circuit Tester Car Electrical System Short Tester 6-30V DC LCD Display Flashlight Component Activation Continuity Testing Grounding Detection Trace Locate Short Circuits
Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Light Tester, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles $9.99
$999
current price $9.99Automotive Test Light 5-90V Digital LED Circuit Tester with Voltage Display, Auto Bidirectional Light Tester, Electrical Voltage Tester with Extended Spring Wire & Probe for Car/RV/Vehicles
144.6 out of 5 Stars. 14 reviews
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Visual Fault Locator 30KM Fiber Optic Cable Tester VFL Kit with Single Mode 9/125um FC Male to LC Female Adapter, Aluminum Alloy 650nm Red Light Pen $14.59
Sponsored
$1459
current price $14.59Visual Fault Locator 30KM Fiber Optic Cable Tester VFL Kit with Single Mode 9/125um FC Male to LC Female Adapter, Aluminum Alloy 650nm Red Light Pen
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Mrcartool B530 12V 24V Automotive Circuit Tester Test Light Electrical System Diagnostic Toolwith DC/AC Voltage, Resistance & Diode Test, 10m Cable From $59.99
Sponsored
From$5999
Mrcartool B530 12V 24V Automotive Circuit Tester Test Light Electrical System Diagnostic Toolwith DC/AC Voltage, Resistance & Diode Test, 10m Cable
35 out of 5 Stars. 3 reviews
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M Buder Non Contact Voltage Detector Pen AC Electrical Power Cable Tester High Accuracy Sound Light Alarm, 12-1000V, 9.84 inches / 25.0 cm $14.24
$1424
current price $14.24M Buder Non Contact Voltage Detector Pen AC Electrical Power Cable Tester High Accuracy Sound Light Alarm, 12-1000V, 9.84 inches / 25.0 cm
YAHHU Portable RJ11 Network Cable Tester Toner and Wire Tracker Kit, Professional Tone Line Finder and Continuity Detector Networking Tool for Telephone Line Maintenance (10.24 inches / 26.0 cm) $23.36
$2336
current price $23.36YAHHU Portable RJ11 Network Cable Tester Toner and Wire Tracker Kit, Professional Tone Line Finder and Continuity Detector Networking Tool for Telephone Line Maintenance (10.24 inches / 26.0 cm)
Tone Generator Kit, Wire Tracer Circuit Tester, 200EP High Accuracy Wire Tester, Multi-Tone Cable Test with Inductive Amplifier $25.99
$2599
current price $25.99Tone Generator Kit, Wire Tracer Circuit Tester, 200EP High Accuracy Wire Tester, Multi-Tone Cable Test with Inductive Amplifier
73.9 out of 5 Stars. 7 reviews
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Autel PowerScan PS100 Automotive Circuit Tester with AVOmeter, 20ft Cable, Lights $73.39
$7339
current price $73.39Autel PowerScan PS100 Automotive Circuit Tester with AVOmeter, 20ft Cable, Lights
34.3 out of 5 Stars. 3 reviews
M Buder Professional Network Cable Tester and RJ45/RJ11 Line Finder, Heavy Duty Handheld Telephone Wire Tracker and Continuity Tester, Multi-Function Diagnostic Cable Locator (6.69 inches / 17.0 cm) $11.90
$1190
current price $11.90M Buder Professional Network Cable Tester and RJ45/RJ11 Line Finder, Heavy Duty Handheld Telephone Wire Tracker and Continuity Tester, Multi-Function Diagnostic Cable Locator (6.69 inches / 17.0 cm)
GUYUTING Portable Trailer Tester For 7/13 Pin Connectors, Black Circuit Analyzer For Car Caravan Trailer Truck Fault Checking $25.91
$2591
current price $25.91GUYUTING Portable Trailer Tester For 7/13 Pin Connectors, Black Circuit Analyzer For Car Caravan Trailer Truck Fault Checking
M Buder ET606 Network Cable Tester Kit with POE Polarity Check, NCV Voltage Detection, Switch Port Flashing, Handheld Wire Tracker (8.50 inches / 21.6 cm) $40.40
$4040
current price $40.40M Buder ET606 Network Cable Tester Kit with POE Polarity Check, NCV Voltage Detection, Switch Port Flashing, Handheld Wire Tracker (8.50 inches / 21.6 cm)
Coaxial Cable Tester Networking Cable Tester for BNC RJ45 CAT5 CAT6 Data Coax Cable Tester Checkers Continuity Cable $19.72
$1972
current price $19.72Coaxial Cable Tester Networking Cable Tester for BNC RJ45 CAT5 CAT6 Data Coax Cable Tester Checkers Continuity Cable
Power Circuit Probe Tester, 6V-24V DC Automotive Test Light, Short Circuit Finder, Polarity Identification, Component Activation, Overload Protection $15.97
Sponsored
$1597
current price $15.97Power Circuit Probe Tester, 6V-24V DC Automotive Test Light, Short Circuit Finder, Polarity Identification, Component Activation, Overload Protection
Spliseal Starter Wiring Sealing Kit - Economical All-in-One Kit with 80W Glue Gun,1 Mould $116.95
Sponsored
$11695
current price $116.95Spliseal Starter Wiring Sealing Kit - Economical All-in-One Kit with 80W Glue Gun,1 Mould
Adjustable Ignition System Coil Tester Coil Connection Plug Ignition Circuit Test $11.77
$1177
current price $11.77Adjustable Ignition System Coil Tester Coil Connection Plug Ignition Circuit Test
Rupoun Professional Network Cable Tester for LAN RJ45 and RJ11, Accurate Computer Network Hand Tool with Line Tracker, High-Speed Connection Diagnostic Tool, White, 4.33 inches / 11 cm $10.62
$1062
current price $10.62Rupoun Professional Network Cable Tester for LAN RJ45 and RJ11, Accurate Computer Network Hand Tool with Line Tracker, High-Speed Connection Diagnostic Tool, White, 4.33 inches / 11 cm
M Buder 10KM Pen Type Visual Fault Locator Non Contact Connection VFL Fiber Optic Red Light Pen Tester 400mAh Battery Kit (7.09 inches / 18 cm) $26.53
$2653
current price $26.53M Buder 10KM Pen Type Visual Fault Locator Non Contact Connection VFL Fiber Optic Red Light Pen Tester 400mAh Battery Kit (7.09 inches / 18 cm)
YAHHU Fiber Optical Power Meter SC FC ST Connector 800-1700nm -70~+6db Network Cable Tester Kit Diagnostic Tool for Fast Accurate Connections (8.27 inches / 21 cm) $26.35
$2635
current price $26.35YAHHU Fiber Optical Power Meter SC FC ST Connector 800-1700nm -70~+6db Network Cable Tester Kit Diagnostic Tool for Fast Accurate Connections (8.27 inches / 21 cm)
YAHHU RJ45 and RJ11 Network Cable Tester Ethernet LAN Line Wire Test Tool with Detachable Remote for Telephone Line and Ethernet Connections, Blue (3.8 x 4.1 in / 9.7 x 10.3 cm) $9.88
$988
current price $9.88YAHHU RJ45 and RJ11 Network Cable Tester Ethernet LAN Line Wire Test Tool with Detachable Remote for Telephone Line and Ethernet Connections, Blue (3.8 x 4.1 in / 9.7 x 10.3 cm)
Rupoun 4-in-1 Coaxial Cable Tester Network Tool for RJ11, RJ45, USB, BNC - Portable MultiTester with LED Display, Open/Short Circuit Test, Up to 300ft / 91.44m Cable Length, Black (6.69 in / 17 cm) $36.04
$3604
current price $36.04Rupoun 4-in-1 Coaxial Cable Tester Network Tool for RJ11, RJ45, USB, BNC - Portable MultiTester with LED Display, Open/Short Circuit Test, Up to 300ft / 91.44m Cable Length, Black (6.69 in / 17 cm)
Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, Duty Cycle, & 20FT Extension Cord $89.99
$8999
current price $89.99Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, Duty Cycle, & 20FT Extension Cord
Clearance Yammee Gigabit Networking Cable Tester For RJ11 RJ45 Connection Telephone Line Tester $16.65 Was $18.60
Now$1665
current price Now $16.65, Was $18.60$18.60
Yammee Gigabit Networking Cable Tester For RJ11 RJ45 Connection Telephone Line Tester
Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, 20ft Extension Cord, for 99% Car $89.99
Sponsored
$8999
current price $89.99Autel PowerScan PS100 Automotive Circuit Tester, Power Circuit Probe Scan Tool, 12-24V Electrical Short Open Breaker Circuit Finder, AC/DC Current Resistance, 20ft Extension Cord, for 99% Car
35 out of 5 Stars. 3 reviews
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Reduced price NOYAFA NF-8509 Wire Tracker & Multimeter, RJ45 Cable Tester with POE Test, Port Flashing, NCV, CAT5/CAT6/CAT7 $50.99 Was $65.99
Sponsored
Now$5099
current price Now $50.99, Was $65.99$65.99
NOYAFA NF-8509 Wire Tracker & Multimeter, RJ45 Cable Tester with POE Test, Port Flashing, NCV, CAT5/CAT6/CAT7
BIMZUC Network Cable Tester for RJ45 and RJ11 Ethernet LAN Connections, Portable Line Tracker and Computer Networking Tool, White, 4.13 inches / 10.5 cm $22.62
$2262
current price $22.62BIMZUC Network Cable Tester for RJ45 and RJ11 Ethernet LAN Connections, Portable Line Tracker and Computer Networking Tool, White, 4.13 inches / 10.5 cm
Riousery Multifunctional Wire Tracer & Ethernet Cable Tester Kit, Digital Circuit Analyzer Line Finder with Tone Generator & Probe, RJ45 CAT5 CAT6 Fault Locator, 10.24 inches / 26 cm $84.97
$8497
current price $84.97Riousery Multifunctional Wire Tracer & Ethernet Cable Tester Kit, Digital Circuit Analyzer Line Finder with Tone Generator & Probe, RJ45 CAT5 CAT6 Fault Locator, 10.24 inches / 26 cm
THE CIMPLE CO - Universal Network Cable Tester Tool, BNC, RJ45, RJ11 (3-in-1) Multi-Tester White $24.97
$2497
current price $24.97THE CIMPLE CO - Universal Network Cable Tester Tool, BNC, RJ45, RJ11 (3-in-1) Multi-Tester White
Nilight 30 AMP RV Circuit Tester 125V/3750W RV Circuit Analyzer Plug with LED Indicator Light 30 amp Nema TT-30P ETL Listed Surge Protector Circuit Tester Plug for RV Camper Trailer $17.99
$1799
current price $17.99Nilight 30 AMP RV Circuit Tester 125V/3750W RV Circuit Analyzer Plug with LED Indicator Light 30 amp Nema TT-30P ETL Listed Surge Protector Circuit Tester Plug for RV Camper Trailer
15 out of 5 Stars. 1 reviews
Best seller NOYAFA NF-826 Underground Wire Tracer & Cable Locator with Voltage Detection $115.51 Was $132.95
Now$11551
current price Now $115.51, Was $132.95$132.95
NOYAFA NF-826 Underground Wire Tracer & Cable Locator with Voltage Detection
224.7 out of 5 Stars. 22 reviews
Save with
Automotive Circuit Tester 6-42V Wire Tracer, Short Circuit Finder and Cable Tracker with Flexible Probe, Electrical Diagnostic Tool for Car, Boat, Trailer and RV $15.99
$1599
current price $15.99Automotive Circuit Tester 6-42V Wire Tracer, Short Circuit Finder and Cable Tracker with Flexible Probe, Electrical Diagnostic Tool for Car, Boat, Trailer and RV
BIMZUC Network Cable Tester Multi Functional Anti Interference Wire Tracer Ethernet Cable Tester for Troubleshooting Maintenance Kit with Built In Battery $83.51
$8351
current price $83.51BIMZUC Network Cable Tester Multi Functional Anti Interference Wire Tracer Ethernet Cable Tester for Troubleshooting Maintenance Kit with Built In Battery
Camco Power Grip Dogbone Circuit Analyzer for RV Camping- 30/15 Amp - 12" (55461) From $35.00
2 options
Available in additional 2 optionsFrom$3500
Camco Power Grip Dogbone Circuit Analyzer for RV Camping- 30/15 Amp - 12" (55461)
294.9 out of 5 Stars. 29 reviews
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Lynono High Precise RJ45 RJ11 Cable Continuity Tester Suitable For Engineers And Technicians Identifying Wiring Issue In Second $18.69
$1869
current price $18.69Lynono High Precise RJ45 RJ11 Cable Continuity Tester Suitable For Engineers And Technicians Identifying Wiring Issue In Second
TRENDnet TC-NT2 Network Cable Tester for TP and Coax Cables with 2 RJ-45-to-BNC Adapters $39.99 Was $54.25
Now$3999
current price Now $39.99, Was $54.25$54.25
TRENDnet TC-NT2 Network Cable Tester for TP and Coax Cables with 2 RJ-45-to-BNC Adapters
34.7 out of 5 Stars. 3 reviews
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TOPDON CT100 - Auto Circuit Tester w/ Load Test, LCD, Polarity Alerts $49.99
$4999
current price $49.99TOPDON CT100 - Auto Circuit Tester w/ Load Test, LCD, Polarity Alerts
EM415PRO Automotive Disconnect Tester Wire Inspector Inspection Tester, Fault Finder, DC less than 42V Probe Automotive Diagnostic Tool, Measures 12V Battery Circuits $19.99
$1999
current price $19.99EM415PRO Automotive Disconnect Tester Wire Inspector Inspection Tester, Fault Finder, DC less than 42V Probe Automotive Diagnostic Tool, Measures 12V Battery Circuits
In 25+ people's carts STORGENER Car Circuit Tester, Wire Piercing Circuit Tester, 6-12-24V, Automotive Probe Tool Electric Trailer Wiring Diagnosis Was $29.99
STORGENER Car Circuit Tester, Wire Piercing Circuit Tester, 6-12-24V, Automotive Probe Tool Electric Trailer Wiring Diagnosis
424.7 out of 5 Stars. 42 reviews
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Automotive Wire Tester, Automotive Short & Open Finder, Electrical Circuit Tester Cable Wire BreakerTester, Car Electrical Diagnostic Tool with Flexible Probe, Cable Toner for 6-42V $16.79
$1679
current price $16.79Automotive Wire Tester, Automotive Short & Open Finder, Electrical Circuit Tester Cable Wire BreakerTester, Car Electrical Diagnostic Tool with Flexible Probe, Cable Toner for 6-42V
Suodoka 4-in-1 Multifunctional Network Cable Tester for RJ45 BNC RJ11 USB Coaxial Wire Testers, Open Short Circuit Test, 8.27 inches / 21 cm Length, Essential Professional Tool for Engineers $23.56
$2356
current price $23.56Suodoka 4-in-1 Multifunctional Network Cable Tester for RJ45 BNC RJ11 USB Coaxial Wire Testers, Open Short Circuit Test, 8.27 inches / 21 cm Length, Essential Professional Tool for Engineers
Power Probe PP319FTCRED 3 Series Circuit Tester Kit, 20 Ft Cable $225.21
$22521
current price $225.21Power Probe PP319FTCRED 3 Series Circuit Tester Kit, 20 Ft Cable
THE CIMPLE CO - Universal Network Cable Tester Tool, BNC, RJ45, RJ11 (3-in-1) Multi-Tester Black $22.97
$2297
current price $22.97THE CIMPLE CO - Universal Network Cable Tester Tool, BNC, RJ45, RJ11 (3-in-1) Multi-Tester Black
Universals USB Connection Tester For Multiple Cable Types OperatingExternal Power Input Insertion Testing
Universals USB Connection Tester For Multiple Cable Types OperatingExternal Power Input Insertion Testing
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