Shop Extech CT20 Tester

Sponsored
About our ads
$47.99
Extech CT20 Remote And Local Continuity Tester With Remote Probe, Audible Tone, Long-Distance Cable Testing, LED Indicators, Hands-Free Operation For
Amazon.com
1K+
Free shipping
$47.99
Extech CT20 Remote And Local Continuity Tester With Remote Probe, Audible Tone, Long-Distance Cable Testing, LED Indicators, Hands-Free Operation For
Amazon.com
1K+
$283.76
Extech Coating Thickness Tester: 49 Mil Max Thick Measured, 0 Mil Min Thick Measured, Not Certified Model: CG204
Grainger
70
$283.76
Extech Coating Thickness Tester: 49 Mil Max Thick Measured, 0 Mil Min Thick Measured, Not Certified Model: CG204
Grainger
70
$47.99
Extech Instruments CT20 Continuity Tester Pro | Cable Continuity Testers
Newark
1K+
$47.99
Extech Instruments CT20 Continuity Tester Pro | Cable Continuity Testers
Newark
1K+
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
205
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
205
$129.77
Extech Moisture Meter: Digital, LCD, Pin, Protective Cap/Repl Pins, 0.1% Moisture Content Accuracy Model: MO210
Grainger
4
$129.77
Extech Moisture Meter: Digital, LCD, Pin, Protective Cap/Repl Pins, 0.1% Moisture Content Accuracy Model: MO210
Grainger
4
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
299
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
299
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
$195.80
Extech CT20 Remote & Local Continuity Tester - ( Min. Purchase Quantity Is 4 )
Global Industrial
1K+
$195.80
Extech CT20 Remote & Local Continuity Tester - ( Min. Purchase Quantity Is 4 )
Global Industrial
1K+
$442.46
Extech Earth Ground Tester Kit: CAT III 1000V, 2,000 Ohm Max. Ground Resist, 2.5 Ma, LCD, Digital Model: 382252
Grainger
76
$442.46
Extech Earth Ground Tester Kit: CAT III 1000V, 2,000 Ohm Max. Ground Resist, 2.5 Ma, LCD, Digital Model: 382252
Grainger
76
$824.03
Extech Moisture Meter: Digital, LCD, Pin/Pinless, Carrying Case/Pin Moisture Probe, Wood Model: MO290
Grainger
720
$824.03
Extech Moisture Meter: Digital, LCD, Pin/Pinless, Carrying Case/Pin Moisture Probe, Wood Model: MO290
Grainger
720
$241.24
Extech Phase/Motor Rotation Tester: LED Bulb, 40 To 600V AC, 2 Hz To 400 Hz, CAT III 600V Model: 480403
Grainger
276
$241.24
Extech Phase/Motor Rotation Tester: LED Bulb, 40 To 600V AC, 2 Hz To 400 Hz, CAT III 600V Model: 480403
Grainger
276
$116.47
Extech Voltage And Continuity Tester: AC Volt/Continuity/DC Volt/Phase Rotation, IP64 Model: VT30
Grainger
148
$116.47
Extech Voltage And Continuity Tester: AC Volt/Continuity/DC Volt/Phase Rotation, IP64 Model: VT30
Grainger
148
$523.78
Extech Insulation Tester: 50 Megaohm To 20 Gigohm, CAT IV 600V, Battery, Digital, Insulation, LCD Model: MG320
Grainger
$523.78
Extech Insulation Tester: 50 Megaohm To 20 Gigohm, CAT IV 600V, Battery, Digital, Insulation, LCD Model: MG320
Grainger
$195.95
Extech Refractometer: Salinity, +/-0.1% Salinity Accuracy, Auto, Analog, 0 Ppt Salinity - Min, 1 RI Model: RF20
Grainger
$195.95
Extech Refractometer: Salinity, +/-0.1% Salinity Accuracy, Auto, Analog, 0 Ppt Salinity - Min, 1 RI Model: RF20
Grainger
$49.13
CT20 Extech Continuity Tester Pro For Wire And Cable Testing Both Local And Remote
Onlinecomponents.com
1K+
$49.13
CT20 Extech Continuity Tester Pro For Wire And Cable Testing Both Local And Remote
Onlinecomponents.com
1K+
$61.78
Extech Circuit Continuity Tester Led Display, 9V Power Supply Ct20 - 09661752
Penn Tool Co
1K+
$61.78
Extech Circuit Continuity Tester Led Display, 9V Power Supply Ct20 - 09661752
Penn Tool Co
1K+
$1,813.11
Extech Clamp On Earth Resistance Tester: CAT II 600V/CAT III 300V, 0.2 Ma To 30 A, 122F Max Op Temp Model: 382357
Grainger
1
$1,813.11
Extech Clamp On Earth Resistance Tester: CAT II 600V/CAT III 300V, 0.2 Ma To 30 A, 122F Max Op Temp Model: 382357
Grainger
1
$442.48
Extech Pocket Multiparameter Meter Kit: Chlorine/Ph/Temp, 0 Ph To 14 Ph, -999 Mv To 999 Mv Model: EX800
Grainger
$442.48
Extech Pocket Multiparameter Meter Kit: Chlorine/Ph/Temp, 0 Ph To 14 Ph, -999 Mv To 999 Mv Model: EX800
Grainger
$279.00
Extech CT70 - GFCI & AC Circuit Analyzer
TEquipment
2K+
$279.00
Extech CT70 - GFCI & AC Circuit Analyzer
TEquipment
2K+
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
$42.00
Extech Ct20 Remote And Local Continuity Tester , Green,2 2, Green
eBay
17
$42.00
Extech Ct20 Remote And Local Continuity Tester , Green,2 2, Green
eBay
17
$195.60
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
Grainger
$195.60
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
Grainger
$367.96
Extech Soil Moisture Tester: 0% Moisture Min, 50% Moisture Max Model: MO750
Grainger
20
$367.96
Extech Soil Moisture Tester: 0% Moisture Min, 50% Moisture Max Model: MO750
Grainger
20
$211.94
Extech Laser Tachometer: +/-0.05% RPM Accuracy, 1 RPM, 99,999 RPM Max Contact RPM, Reflective Tape Model: 461920
Grainger
49
$211.94
Extech Laser Tachometer: +/-0.05% RPM Accuracy, 1 RPM, 99,999 RPM Max Contact RPM, Reflective Tape Model: 461920
Grainger
49
$44.99
Extech Instruments CT20 Continuity Tester Pro With Case New Sealed. Extech. Other Test Meters & Detectors. 0793950000205.
eBay
17
$44.99
Extech Instruments CT20 Continuity Tester Pro With Case New Sealed. Extech. Other Test Meters & Detectors. 0793950000205.
eBay
17
$21.97
Extech CT20 Remote And Local Continuity Tester
uchemba
$21.97
Extech CT20 Remote And Local Continuity Tester
uchemba
$99.00
Extech Instruments CT20 CB10 Continuity Tester Pro Kit. Extech. Other Test Meters & Detectors. 0793950000205.
eBay
Free shipping
$99.00
Extech Instruments CT20 CB10 Continuity Tester Pro Kit. Extech. Other Test Meters & Detectors. 0793950000205.
eBay
Free shipping
$176.96
Extech Pocket Multiparameter Meter: Conductivity/Temp/Total Dissolved Solids, 0 Us/Cm To 1,999 Us/Cm Model: EC150
Grainger
136
$176.96
Extech Pocket Multiparameter Meter: Conductivity/Temp/Total Dissolved Solids, 0 Us/Cm To 1,999 Us/Cm Model: EC150
Grainger
136
$29.99
Extech Instruments CT20 Pro Continuity Tester Pro Works With Case. Extech. Other Test Meters & Detectors. 0793950000205.
eBay
Free shipping
$29.99
Extech Instruments CT20 Pro Continuity Tester Pro Works With Case. Extech. Other Test Meters & Detectors. 0793950000205.
eBay
Free shipping
$110.36
Extech Ct20 Remote And Local Continuity Tester, Green
Everymarket INC
1K+
$110.36
Extech Ct20 Remote And Local Continuity Tester, Green
Everymarket INC
1K+
$273.02
Extech Coating Thickness Tester: 80 Mil Max Thick Measured, 0 Mil Min Thick Measured, Not Certified Model: CG104
Grainger
$273.02
Extech Coating Thickness Tester: 80 Mil Max Thick Measured, 0 Mil Min Thick Measured, Not Certified Model: CG104
Grainger
$42.95
Extech Continuity Tester Pro CT20. Extech. Cable Testers & Trackers. 0793950000205.
eBay
Free shipping
$42.95
Extech Continuity Tester Pro CT20. Extech. Cable Testers & Trackers. 0793950000205.
eBay
Free shipping
$32.28
Extech CT20 Continuity Tester,9V,9 in Test Leads
uchemba
$32.28
Extech CT20 Continuity Tester,9V,9 in Test Leads
uchemba
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
430
$309.52
Extech Pocket Multiparameter Meter: Chlorine/Temp Model: CL200
Grainger
430
$47.99
Extech Ct20 Remote And Local Continuity Tester , Green,2
Blazen Auto
1K+
$47.99
Extech Ct20 Remote And Local Continuity Tester , Green,2
Blazen Auto
1K+
9.1K views | VIDEO: Extech CT20: Remote & Local Continuity Tester | Extech Instruments | Facebook
1:01
9.1K views | VIDEO: Extech CT20: Remote & Local Continuity Tester …
9.2K views1 month ago
FacebookExtech Instruments
Extech CT70 GFCI and AC Circuit Analyzer
Extech CT70 GFCI and AC Circuit Analyzer
Dec 29, 2019
inspectoroutlet.com
12 reactions | Extech IRC130: Find problems faster with MSX®. Learn...
1:21
12 reactions | Extech IRC130: Find problems faster with MSX®. Learn...
550 views3 weeks ago
FacebookExtech Instruments
12 Best Continuity Testers for Tracing Circuits (2026)
12 Best Continuity Testers for Tracing Circuits (2026)
Jul 19, 2020
yamanelectronics.com
Extech Circuit Breaker Finder CB10
Extech Circuit Breaker Finder CB10
9.9K viewsSep 25, 2017
YouTubemyshots101
Extech LT300: Digital Light Meter
1:02
Extech LT300: Digital Light Meter
10.8K viewsJul 24, 2018
YouTubeExtech Instruments
EX20 Use And Care
21:18
EX20 Use And Care
23.6K viewsNov 17, 2015
YouTubeNilfiskU
1:08
Coax Explorer® 2 Tester
52.8K viewsNov 1, 2017
YouTubeKlein Tools
3:54
Extech Exstik II EC500 - Calibration
30.2K viewsJul 7, 2016
YouTubeAquaPhoenixSci
2:29
Extech EX800 Series Clamp Meters
5.5K viewsJun 7, 2011
YouTubedavisinstrumentstv
1:36
Extech's RH300 Hygo-Thermometer Psychrometer
3.1K viewsNov 6, 2019
YouTubeGalcoTV
2:22
WIRE TRACER KIT EXTECH TG20
10K viewsDec 6, 2018
YouTubeDR McKinley
2:19
Introducing Vibration Meters from Extech Instruments
20.9K viewsApr 16, 2018
YouTubeExtech Instruments
13:05
How to Fix an Open Ground
683.1K viewsApr 1, 2020
YouTubeSparky Channel
4:36
Extech Electrical Test Kit Review
2.6K viewsAug 28, 2017
YouTubeTerry B
1:26
Extech's RHT20 Humidity and Temperature Datalogger
8.1K viewsNov 22, 2019
YouTubeGalcoTV
3:07
Extech DO600 Waterproof ExStik II Dissolved Oxygen Meter
10.8K viewsJul 24, 2009
YouTubeTEquipment
5:02
Craftsman Multimeter Test Lead Kit
2.9K viewsAug 7, 2018
YouTubeOn The Workbench
2:11
Extech CT70 AC Circuit Load Tester Product Video
19.7K viewsJun 1, 2011
YouTubeExtech Instruments
1:26
Extech Clamp-on Ground Resistance Tester
6.5K viewsJan 16, 2014
YouTubeExtech Instruments
4:19
Review of Extech CT20 Remote and Local Continuity Tester
25.9K viewsJul 30, 2017
YouTubeTheDIYer By Artie Wallace
1:34
Extech Explains How To Use A Multimeter to Check Voltage
24.4K viewsFeb 2, 2011
YouTubeTEquipment
1:57
Extech RPM10 Photo/Contact Tachometer with Infrared Thermo…
5.4K viewsApr 11, 2013
YouTubeInstrumart
6:49
Coax Cable Repair, Testing to Find the Unused Cable
89.7K viewsJul 30, 2020
YouTubeSparky Channel
2:35
Trying out the Extech CB10 Circuit Breaker Finder
15.9K viewsAug 12, 2018
YouTubefunbro1
0:59
Safe, Reliable, Extech CLT600 Cable Locator and Tracer
53.5K viewsAug 18, 2020
YouTubeExtech Instruments
3:42
TRU Chemistry Labs: How To Calibrate and use the Spectrophot…
95.8K viewsSep 4, 2014
YouTubeTRUChemOnline
7:35
how to test a RUN or START CAPACITOR the CORRECT way
1.1M viewsOct 10, 2019
YouTubeCraft Customs
1:06
Review of Extech TG20 Wire Tracer/Tone Generator
18K viewsDec 6, 2013
YouTubeSD - OB Palmer House Project
1:01
14K views · 24 reactions | VIDEO: Extech CB10: AC Circuit Breaker …
14.9K views3 weeks ago
FacebookExtech Instruments
See more videos
Static thumbnail place holder

Shop Extech CT20 Tester

Sponsored
About our ads
$47.99
Extech CT20 Remote And Local Continuity Tester With Remote Probe, Audible Tone, Long-Distance Cable Testing, LED Indicators, Hands-Free Operation For
Amazon.com
1K+
Free shipping
$47.99
Extech CT20 Remote And Local Continuity Tester With Remote Probe, Audible Tone, Long-Distance Cable Testing, LED Indicators, Hands-Free Operation For
Amazon.com
1K+
$283.76
Extech Coating Thickness Tester: 49 Mil Max Thick Measured, 0 Mil Min Thick Measured, Not Certified Model: CG204
Grainger
70
$283.76
Extech Coating Thickness Tester: 49 Mil Max Thick Measured, 0 Mil Min Thick Measured, Not Certified Model: CG204
Grainger
70
$47.99
Extech Instruments CT20 Continuity Tester Pro | Cable Continuity Testers
Newark
1K+
$47.99
Extech Instruments CT20 Continuity Tester Pro | Cable Continuity Testers
Newark
1K+
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
205
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
205
$129.77
Extech Moisture Meter: Digital, LCD, Pin, Protective Cap/Repl Pins, 0.1% Moisture Content Accuracy Model: MO210
Grainger
4
$129.77
Extech Moisture Meter: Digital, LCD, Pin, Protective Cap/Repl Pins, 0.1% Moisture Content Accuracy Model: MO210
Grainger
4
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$279.95
Extech CT70 AC Circuit Load Tester, 240 AC Voltage
Global Industrial
2K+
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
299
$250.68
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
299
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
$317.33
Extech Receptacle Tester With GFCI: Displays Peak Line Volt And Freq, GFCI & AC Circuit Analyzers Model: CT70
Grainger
2K+
$195.80
Extech CT20 Remote & Local Continuity Tester - ( Min. Purchase Quantity Is 4 )
Global Industrial
1K+
$195.80
Extech CT20 Remote & Local Continuity Tester - ( Min. Purchase Quantity Is 4 )
Global Industrial
1K+
$442.46
Extech Earth Ground Tester Kit: CAT III 1000V, 2,000 Ohm Max. Ground Resist, 2.5 Ma, LCD, Digital Model: 382252
Grainger
76
$442.46
Extech Earth Ground Tester Kit: CAT III 1000V, 2,000 Ohm Max. Ground Resist, 2.5 Ma, LCD, Digital Model: 382252
Grainger
76
$824.03
Extech Moisture Meter: Digital, LCD, Pin/Pinless, Carrying Case/Pin Moisture Probe, Wood Model: MO290
Grainger
720
$824.03
Extech Moisture Meter: Digital, LCD, Pin/Pinless, Carrying Case/Pin Moisture Probe, Wood Model: MO290
Grainger
720
$241.24
Extech Phase/Motor Rotation Tester: LED Bulb, 40 To 600V AC, 2 Hz To 400 Hz, CAT III 600V Model: 480403
Grainger
276
$241.24
Extech Phase/Motor Rotation Tester: LED Bulb, 40 To 600V AC, 2 Hz To 400 Hz, CAT III 600V Model: 480403
Grainger
276
$116.47
Extech Voltage And Continuity Tester: AC Volt/Continuity/DC Volt/Phase Rotation, IP64 Model: VT30
Grainger
148
$116.47
Extech Voltage And Continuity Tester: AC Volt/Continuity/DC Volt/Phase Rotation, IP64 Model: VT30
Grainger
148
$523.78
Extech Insulation Tester: 50 Megaohm To 20 Gigohm, CAT IV 600V, Battery, Digital, Insulation, LCD Model: MG320
Grainger
$523.78
Extech Insulation Tester: 50 Megaohm To 20 Gigohm, CAT IV 600V, Battery, Digital, Insulation, LCD Model: MG320
Grainger
$195.95
Extech Refractometer: Salinity, +/-0.1% Salinity Accuracy, Auto, Analog, 0 Ppt Salinity - Min, 1 RI Model: RF20
Grainger
$195.95
Extech Refractometer: Salinity, +/-0.1% Salinity Accuracy, Auto, Analog, 0 Ppt Salinity - Min, 1 RI Model: RF20
Grainger
$49.13
CT20 Extech Continuity Tester Pro For Wire And Cable Testing Both Local And Remote
Onlinecomponents.com
1K+
$49.13
CT20 Extech Continuity Tester Pro For Wire And Cable Testing Both Local And Remote
Onlinecomponents.com
1K+
$61.78
Extech Circuit Continuity Tester Led Display, 9V Power Supply Ct20 - 09661752
Penn Tool Co
1K+
$61.78
Extech Circuit Continuity Tester Led Display, 9V Power Supply Ct20 - 09661752
Penn Tool Co
1K+
$1,813.11
Extech Clamp On Earth Resistance Tester: CAT II 600V/CAT III 300V, 0.2 Ma To 30 A, 122F Max Op Temp Model: 382357
Grainger
1
$1,813.11
Extech Clamp On Earth Resistance Tester: CAT II 600V/CAT III 300V, 0.2 Ma To 30 A, 122F Max Op Temp Model: 382357
Grainger
1