Shop Electric Circuit Testers

Sponsored
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$349.00
Omron CQM1-ME08K
DO Supply
$349.00
Omron CQM1-ME08K
DO Supply
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
9K+
Free shipping
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
9K+
$25.31
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
8K+
$25.31
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
8K+
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
30
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
30
$71.15
IDEAL Voltage Detector/Tester: AC Current/AC Volt/DC Polarity/DC Volt, CAT III 600V Model: 61-065
Grainger
641
$71.15
IDEAL Voltage Detector/Tester: AC Current/AC Volt/DC Polarity/DC Volt, CAT III 600V Model: 61-065
Grainger
641
$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+
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
299
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
299
$1,317.75
Megger LT300-EN-00 High Current Loop Tester With Red/Green Lead Set
Test Equipment Depot
$1,317.75
Megger LT300-EN-00 High Current Loop Tester With Red/Green Lead Set
Test Equipment Depot
$6.00
Nsi Industries Tes-111 Twin Probe Voltage Tester, 80-250Vac, Pocket Clip
Lite Store USA
$6.00
Nsi Industries Tes-111 Twin Probe Voltage Tester, 80-250Vac, Pocket Clip
Lite Store USA
$9,652.00
ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$9,652.00
ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$6,804.00
Megger S1-568/2 Expert Digital Insulation Resistance Tester, 5 Kv
Test Equipment Depot
$6,804.00
Megger S1-568/2 Expert Digital Insulation Resistance Tester, 5 Kv
Test Equipment Depot
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
273
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
273
$2,495.00
HT Instruments Combi521ev - Multifunction Electrical Installation And EVSE Tester With EV-Test 100
TEquipment
$2,495.00
HT Instruments Combi521ev - Multifunction Electrical Installation And EVSE Tester With EV-Test 100
TEquipment
$19.97
$26.32
Klein Tools NCVT-1P - Non-Contact Voltage Tester Pen, 50 To 1000V AC, NCVT1P
TEquipment
6K+
24% off
$19.97
$26.32
Klein Tools NCVT-1P - Non-Contact Voltage Tester Pen, 50 To 1000V AC, NCVT1P
TEquipment
6K+
$39.98
Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
129
$39.98
Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
129
$9.80
50-600 VAC Circuit Alert Non-Contact Voltage Tester
Home Depot
Free shipping
$9.80
50-600 VAC Circuit Alert Non-Contact Voltage Tester
Home Depot
Free shipping
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
$22.97
Digital Dual Range Non Contact Voltage Tester With Flashlight 12-1000V AC
Home Depot
75
Free shipping
$22.97
Digital Dual Range Non Contact Voltage Tester With Flashlight 12-1000V AC
Home Depot
75
$39.98
Klein Tools Premium Dual-Range NCVT And GFCI Receptacle Tester Electrical Test Kit | RT250KIT
Lowe's
1K+
$39.98
Klein Tools Premium Dual-Range NCVT And GFCI Receptacle Tester Electrical Test Kit | RT250KIT
Lowe's
1K+
$136.16
$142.00
Megger TPT420 (1013-189) 2-Pole Voltage Tester, 1000V AC, 1500V DC
Test Equipment Depot
8
$136.16
$142.00
Megger TPT420 (1013-189) 2-Pole Voltage Tester, 1000V AC, 1500V DC
Test Equipment Depot
8
$19.97
$20.00
Milwaukee 2200-20 Voltage Detector
Red Tool Store
383
$19.97
$20.00
Milwaukee 2200-20 Voltage Detector
Red Tool Store
383
$44.75
$60.41
Klein Tools NCVT1P Voltage Tester, Non-Contact Voltage Detector Pen, 50V To 1000V AC, Audible And Flashing LED Alarms, Pocket Clip Pack Of 2
vyroqi.com
25% off
$44.75
$60.41
Klein Tools NCVT1P Voltage Tester, Non-Contact Voltage Detector Pen, 50V To 1000V AC, Audible And Flashing LED Alarms, Pocket Clip Pack Of 2
vyroqi.com
$5.99
VC200 Spctelco AC Non Contact Voltage Detector/Tester 50-1000VAC
Specialized Products Company
$5.99
VC200 Spctelco AC Non Contact Voltage Detector/Tester 50-1000VAC
Specialized Products Company
$85.88
$115.94
Voltage Tester/Non-Contact Voltage Tester Pen,Dual Range AC 6V-1000V/90V-1000V With LCD Display,Electrical AC Detector For Live Null Wire Tester,2-IN1 Black,6.3X1.22X1.1Inch (0.43LB)
elohimhay
25% off
$85.88
$115.94
Voltage Tester/Non-Contact Voltage Tester Pen,Dual Range AC 6V-1000V/90V-1000V With LCD Display,Electrical AC Detector For Live Null Wire Tester,2-IN1 Black,6.3X1.22X1.1Inch (0.43LB)
elohimhay
$7.31
Receptacle Tester For Standard Outlets Tests NEMA 5-15P Sockets For Correct Wiring
CableWholesale
$7.31
Receptacle Tester For Standard Outlets Tests NEMA 5-15P Sockets For Correct Wiring
CableWholesale
$62.99
Innova Circuit Tester, 3330
Advance Auto Parts
$62.99
Innova Circuit Tester, 3330
Advance Auto Parts
$34.99
Klein Tools - Electrical Tester Kit With Dual-Range NCVT And GFCI Receptacle Tester (NCVT5KIT)
EngineerSupply.com
859
$34.99
Klein Tools - Electrical Tester Kit With Dual-Range NCVT And GFCI Receptacle Tester (NCVT5KIT)
EngineerSupply.com
859
$44.75
$60.41
Klein Tools NCVT1P Voltage Tester, Non-Contact Voltage Detector Pen, 50V To 1000V AC, Audible And Flashing LED Alarms, Pocket Clip Pack Of 2
elohimhay
25% off
$44.75
$60.41
Klein Tools NCVT1P Voltage Tester, Non-Contact Voltage Detector Pen, 50V To 1000V AC, Audible And Flashing LED Alarms, Pocket Clip Pack Of 2
elohimhay
$5.00
Extech ET25 Compact Size AC/DC Voltage Tester, 80 To 250 V AC/DC
Globaltestsupply.com
3
$5.00
Extech ET25 Compact Size AC/DC Voltage Tester, 80 To 250 V AC/DC
Globaltestsupply.com
3
$476.00
T130K4 NSI INDUSTRIES - Test Equipment & Circuit Tester Supplies
Radwell.com
$476.00
T130K4 NSI INDUSTRIES - Test Equipment & Circuit Tester Supplies
Radwell.com
$85.88
$115.94
Voltage Tester/Non-Contact Voltage Tester Pen,Dual Range AC 6V-1000V/90V-1000V With LCD Display,Electrical AC Detector For Live Null Wire Tester,2-IN1 Black,6.3X1.22X1.1Inch (0.43LB)
vyroqi.com
25% off
$85.88
$115.94
Voltage Tester/Non-Contact Voltage Tester Pen,Dual Range AC 6V-1000V/90V-1000V With LCD Display,Electrical AC Detector For Live Null Wire Tester,2-IN1 Black,6.3X1.22X1.1Inch (0.43LB)
vyroqi.com
$74.97
Klein Tools - Clamp Meter Electrical Test Kit (CL120KIT)
EngineerSupply.com
816
$74.97
Klein Tools - Clamp Meter Electrical Test Kit (CL120KIT)
EngineerSupply.com
816
$599.99
$699.99
Ideal Industries Suretrace Pro Circuit Tracer - 61-950
Acme Tools
9
14% off
$599.99
$699.99
Ideal Industries Suretrace Pro Circuit Tracer - 61-950
Acme Tools
9
$49.97
Klein Tools - Digital Circuit Breaker Finder With GFCI Outlet Tester - (ET310)
EngineerSupply.com
4
Free shipping
$49.97
Klein Tools - Digital Circuit Breaker Finder With GFCI Outlet Tester - (ET310)
EngineerSupply.com
4
$37.79
$42.99
Performance Tool W2990 Computer Safe LED Digital Circuit Tester 2004
CJ Pony Parts
12% off
$37.79
$42.99
Performance Tool W2990 Computer Safe LED Digital Circuit Tester 2004
CJ Pony Parts
$34.99
Dorman Circuit Tester - Light/Sound Hook Probe With Interchangeable Tips, 86273
Advance Auto Parts
2
$34.99
Dorman Circuit Tester - Light/Sound Hook Probe With Interchangeable Tips, 86273
Advance Auto Parts
2
The 28" Insert Electric Fireplace by MagikFlame: The Ultimate Way to Revamp Your Fireplace
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YouTubeMagikFlame Electric Fireplaces
The 28" Insert Electric Fireplace by MagikFlame: The Ultimate Way to Revamp Your Fireplace
Have you ever dreamed of having a fireplace that looks and sounds like a real fire, but without any of the hassle or mess? A fireplace that you can control with your iPhone, and that can create any mood or ambiance you want? A fireplace that can fit into your existing fireplace opening and turn it into a captivating showpiece of your home? That ...
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Test Light Tutorial
How to Use an Automotive Test Light - Quick and Easy
6:09
How to Use an Automotive Test Light - Quick and Easy
YouTubeJoeCanDoIt
818K viewsMay 16, 2018
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How to Use an Automotive Test Light [Quick and Easy]
YouTubeMaster Automotive Training
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How To Use a Test Light to Diagnose Electrical Problems
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How To Use a Test Light to Diagnose Electrical Problems
YouTubeHomeowner Repair
310.4K viewsJun 22, 2017
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Shop Electric Circuit Testers

Sponsored
About our ads
$349.00
Omron CQM1-ME08K
DO Supply
$349.00
Omron CQM1-ME08K
DO Supply
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
9K+
Free shipping
$59.39
Klein Tools 80016 Circuit Breaker Finder Tool Kit With Accessories, GFCI Outlet Tester, 2-Piece Set, Includes Cat. No. ET310 And Cat. No. 69411
Amazon.com
9K+
$25.31
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
8K+
$25.31
$26.99
Sperry Instruments STK001 Non-Contact Voltage Tester (VD6504) & GFCI Outlet / Receptacle Tester (GFI6302) Kit, Electrical AC Voltage Detector, Yellow
Amazon.com
8K+
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
30
$26.99
Klein Tools 80025 Outlet Tester Kit With GFCI Tester And Non-Contact Voltage Test Pen, 2-Piece
Amazon.com
30
$71.15
IDEAL Voltage Detector/Tester: AC Current/AC Volt/DC Polarity/DC Volt, CAT III 600V Model: 61-065
Grainger
641
$71.15
IDEAL Voltage Detector/Tester: AC Current/AC Volt/DC Polarity/DC Volt, CAT III 600V Model: 61-065
Grainger
641
$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+
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
299
$329.02
Extech Phase Sequence Tester: LED Bulb, 75 To 1,000V AC, 45 Hz To 65 Hz, CAT IV 600V Model: PRT200
Grainger
299
$1,317.75
Megger LT300-EN-00 High Current Loop Tester With Red/Green Lead Set
Test Equipment Depot
$1,317.75
Megger LT300-EN-00 High Current Loop Tester With Red/Green Lead Set
Test Equipment Depot
$6.00
Nsi Industries Tes-111 Twin Probe Voltage Tester, 80-250Vac, Pocket Clip
Lite Store USA
$6.00
Nsi Industries Tes-111 Twin Probe Voltage Tester, 80-250Vac, Pocket Clip
Lite Store USA
$9,652.00
ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$9,652.00
ETI PI-250 Gen2 - Portable Circuit Breaker Test Set - Peak Output 1000A, F-B156
TEquipment
$6,804.00
Megger S1-568/2 Expert Digital Insulation Resistance Tester, 5 Kv
Test Equipment Depot
$6,804.00
Megger S1-568/2 Expert Digital Insulation Resistance Tester, 5 Kv
Test Equipment Depot
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
273
$69.98
Klein Tools Circuit Breaker Finder Kit In Orange | ET310KIT
Lowe's
273
$2,495.00
HT Instruments Combi521ev - Multifunction Electrical Installation And EVSE Tester With EV-Test 100
TEquipment
$2,495.00
HT Instruments Combi521ev - Multifunction Electrical Installation And EVSE Tester With EV-Test 100
TEquipment
$19.97
$26.32
Klein Tools NCVT-1P - Non-Contact Voltage Tester Pen, 50 To 1000V AC, NCVT1P
TEquipment
6K+
24% off
$19.97
$26.32
Klein Tools NCVT-1P - Non-Contact Voltage Tester Pen, 50 To 1000V AC, NCVT1P
TEquipment
6K+
$39.98
Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
129
$39.98
Klein Tools Test Kit With Multimeter, Non-Contact Volt Tester, Receptacle Tester | 69149P
Lowe's
129
$9.80
50-600 VAC Circuit Alert Non-Contact Voltage Tester
Home Depot
Free shipping
$9.80
50-600 VAC Circuit Alert Non-Contact Voltage Tester
Home Depot
Free shipping
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
Free shipping
$60.37
Digital Circuit Breaker Finder And Non-Contact Voltage Tester Tool Set
Home Depot
1K+
$22.97
Digital Dual Range Non Contact Voltage Tester With Flashlight 12-1000V AC
Home Depot
75
Free shipping
$22.97
Digital Dual Range Non Contact Voltage Tester With Flashlight 12-1000V AC
Home Depot
75