Circuit Testers
🔥 Top Circuit Testers Deals for 2025 you shouldn’t miss!
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Klein Tools 80041 Outlet Repair Tool Kit with GFCI Receptacle Tester, Non Contact Voltage Tester and Wire Stripper, 3-Piece
-11% $46.89
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Klein Tools 80023P Tool Set, Home Inspector Tool Kit with Digital Moisture Meter, Non-Contact Voltage Tester, GFCI Outlet Tester, 3-Piece
-8% $54.68
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Ulta Lit Light Keeper PRO 01201 The Complete Tool for Fixing Miniature Light Sets
-25% $13.99
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Klein Tools 80101 Circuit Breaker Finder Kit, GFCI Outlet and Receptacle Tester Kit, Multimeter, NCVT, Outlet Tester, Leads, 6-Piece
-11% $70.78
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Anyongora 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
-11% $7.95
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HVAC Guys - The Fuse Saver | HVAC Circuit Tester | 3 AMP & 5 AMP Fuses | Fuse Tester for Circuit Breaker - UL Rated 24V AC/DC & 125/250V AC
$18.95
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Hohean Christmas Light Repair Tool with 90 Replacement Bulbs, 6 in 1 Christmas Light Tester Complete Tool for Fixing Your Incandescent Xmas Holiday String Light Sets
-16% $24.99
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Carrying Case Compatible with Klein Tools ET310 AC Circuit Breaker Finder & RT250 GFCI Outlet Tester & Electrical Test Kit,Circuit Tester Storage Organizer Fits for Digital Multimeter,Clamp Meter
$22.99
View at AmazonHohean Christmas Light Repair Tool with 100 Replacement Bulbs, 6 in 1 Christmas Light Tester Complete Tool for Fixing Your Incandescent Xmas Holiday String Light Sets
-37% $19.99
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Kefly 7-Way Round Pin Trailer Truck Circuit Plug Tester Replace 7865L, Trailer Tractor Light Tester
-9% $28.99
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Triplett ET200 AC Line Splitter and GFCI Outlet/Receptacle Tester with 5 Visual Indicators
$19.82
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Lqito Lqito Multifunctional Car Circuit Tester Component Activation Electrical Tester 6-24V/3.5-36V AC/DC Car Power Tester Digital Display Short Circuit Finder for Continuity Testing
$22.99
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KAIWEETS 0.8V-100V DC Smart Automotive Test Light, Buzzer Circuit Tester with Sharp Probe, Bidirectional Voltage Tester with Flashlight, Electric Test Pen for Car Battery Polarity Continuity Fuses
$17.99
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UNI-T AC/DC Advanced Circuit Tracer and Breaker Finder Kit, Wire Tracer Electrical in Wall Underground Short Open Detection 8V-480V Voltage Measurement 8 Languages(UT25CL)
-1% $206.00
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Lqito Multifunctional Car Circuit Tester Component Activation Electrical Tester 6-24V/3.5-36V AC/DC Car Power Tester Digital Display Short Circuit Finder for Continuity Testing Red
$24.99
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UNI-T AC Circuit Breaker Finder and Tracer Tool Kit with Electrical Integrated GFCI Outlet Tester, AC 90-120V USA Plug + Adjustable Sensitivity Beeper Indicattion+ Flashing LED Light - UT25A
$33.99
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Power Failure Alarm with LED Indicator,80-110dB Adjustable Freezer Alarm with 7Siren,Power Loss Alarm with Voltage Test,Power Outage Alarm Perfect for GFI/GFCI Trips,Freezer (2 Packs)
-10% $35.99
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ATOBLIN Test Light Automotive, 3-72V DC LED Digital Circuit Tester, Heavy Duty Light Tester with Voltmeter, Auto Voltage Tester Electric Probe Test Pen for Fuse, Battery, Polarity
$13.99
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Jonard Tools PT-100 Coax Cable Wire Tracer Pocket Continuity Tester & Toner with Audible Beep and LED, Red
$16.95
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Aenllosi Hard Carrying Case Replacement for Klein Tools ET310 AC Circuit Breaker Finder GFCI Tester Tool Kit (Case Only)
-11% $15.99
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MESTEK Electric Tester Kit with Moisture Meter, GFCI Outlet Receptacle Tester, Non-Contact Voltage Tester, Home Inspector Tool Kit with Carrying Case
$59.99
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Autel PowerScan PS100 Circuit Tester, Universal 12V 24V Automotive Power Circuit Probe Kit with 20ft Extension Cable, AC/DC/Continuity/Probe/Signal Test, Activate Component Electrical System Tool
$89.99
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Outlet Tester Electrical GFCI Receptacle Detector with LCD Display, 90-250V Power Socket Tester, Circuit Polarity Voltage Detector, Plug Tester Breaker Finder 6 Visual Indication CAT II 300V (US Plug)
-10% $17.97
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Car Voltage Tester Pen with Alligator Clip,DC 3-48V Test Light Pen Digital LED Circuit Tester with Prolong Spring Cable,Universal Car Fuse Tester Automotive Electrical Tools (Red)
$6.99
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Hendun Upgraded Power Failure Alarm, GFCI Circuit Failed Dector Alerter, Smart Power Outage Reminder for Freezer in Garage, Monitor Power Cut of CPAP, Breaker and GFI/GFCI Trip Alarm
-22% $19.89
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Power Gear Receptacle Tester, Standard 3-Wire, Circuit Analyzer, 110-125 VAC, 6 Visual LED Tests, ETL Listed – 50542 Gray
-12% $8.90
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Aottykro Multifunctional Car Circuit Tester,Digital Display Short Circuit Finder,6-24V AC/DC Car Power Tester, Component Activation Electrical Tester for Trailer Lights Testing/Continuity Testing
-8% $20.68
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Car Voltage Tester Pen with Alligator Clip,DC 3-48V Test Light Pen Digital LED Circuit Tester with Prolong Spring Cable,Universal Car Fuse Tester Automotive Electrical Tools (Black)
-4% $6.99
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Automotive Car Circuit Tester 6-48V DC Electrical Car Power Circuit Probe with Dual Color LED Light and Digital Display, Multi Function Test Light Fault Finder for Voltage Tester Motor Checking
$22.99
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Aicevoos Outlet Tester Electrical GFCI Trip Tester Receptacle Detector with LCD Display, 3 Prong AC Voltage Socket Checker Detector Wiring Problems in Plain English
$12.99
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Basshead Garage Electric Circuit Testing Device Wattmeter - BHG-WM, Compact & Accurate Electric Power Meter, Measure Wattage, Voltage, Current, Power Factor, Ideal for Test Equipment
-10% $89.95
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Auto Car Truck Wire Piercing Cord Voltage Circuit Tester DC 6V/12V/24V Hook Probe Test Light Pencil with Light Indicator 1pc
$13.99
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Bonsicoky Test Light Automotive - 6V-12V-24V DC Car Circuit Tester Light - Professional Auto Voltage Continuity Test for Wire, Fuse, Socket
-28% $4.99
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Multifunctional Power Circuit Probe Tester DC Voltage 12V to 40V, 20FT Extension Wire, Grounding Testing, Component Activation, Short Circuit Positioning, Continuity Testing
-34% $45.99
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allsun 6-24Vdc Auto Power Circuit Probe Tester,Power Circuit Detector Electric Test Tool Kit Pen,Short Circuit Finder Test Light Continuity/Polarity of a Voltage,Test Lead 5M(16Ft) Light & Buzzer
-10% $21.33
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Hard Case for Klein Tools ET310 AC Circuit Breaker Finder, 80041 Outlet Repair Tool Kit and RT250 Integrated GFCI Receptacle Tester Accessories -Olny Case NO Tools, NO Accessories
-5% $16.14
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Lebakort Storage Case Compatible with Klein Tools ET310 AC Circuit Breaker Finder Electric Tester 80016 Tool Kit
-10% $17.99
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Fusion Splicer AI-5A Fiber Optical Fusion Splicer, Core Alignment Fiber Splicer Machine with 5200mAh Large Battery Capacity for SM&MM Fiber
$509.99
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KZYEE KM05 Super Power Circuit Probe Tester, 12V 24V Automotive Circuit System Diagnostic Tool, AC/DC Voltage Tester, Short Finder, Diode Resistance Tester, Activating Component, 13FT Cable
-20% $55.99
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Install Bay RCA AIO 9V Cable Wire Tester Tone Generator Speaker Polarity / IBR68
$25.95
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