Best Circuit Tester in 2022 [*Top Picks*]

Looking for the best circuit tester on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

4789 Reviews Scanned

  • Klein Tools NCVT2PKIT Non-Contact Voltage Tester with Receptacle Tester, 12-48V AC or 48 - 1000V AC Dual Range for Broad Application
    Bestseller #1
    Klein Tools NCVT2PKIT Non-Contact Voltage Tester with Receptacle Tester, 12-48V AC or 48 - 1000V AC Dual Range for Broad Application (386)
      Kit contains a non-contact voltage tester and receptacle tester Dual range NCVT-2P automatically detects and indicates low voltage range and standard voltage (48-1000V AC) NCVT-2P provides non-contact detection of standard voltage in cables, cords, circuit breakers, lighting fixtures, switches, outlets and wires NCVT-2P is a lightweight, compact tool with pocket clip for convenient storage and quick access CAT IV 1000 Volt rating provides expanded operation and protection Screw-thread battery cap with O-ring ensures protection against dust and water ingress for the NCVT-2P Receptacle Tester is designed to detect the most common wiring problems in standard receptacles
  • Klein Tools RT250 GFCI Receptacle Tester with LCD Display, for Standard 3-Wire 120V Electrical Outlets
    Bestseller #1
    Klein Tools RT250 GFCI Receptacle Tester with LCD Display, for Standard 3-Wire 120V Electrical Outlets (386)
      LARGE CLEAR LCD READOUT on receptacle tester to instantly view results without the need to look at a chart to understand results TEST GFCI TRIP TIME IN SECONDS to find out if the trip breaker is functioning DETECT WIRING FAULTS of open ground, open neutral, open hot, dual open (neutral and ground), reversed hot/ground, and reversed hot/neutral AUTO-HOLD FUNCTION is convenient for hard-to-reach outlets SAFE AND DURABLE TESTER for inspections on North American 120V outlets BRIGHT LED LIGHTS illuminate green and red for visual indicators TRUSTED SAFE with a safety rating of CAT II 135V
  • Klein Tools ET310 AC Circuit Breaker Finder with Integrated GFCI Outlet Tester
    Bestseller #1
    Klein Tools ET310 AC Circuit Breaker Finder with Integrated GFCI Outlet Tester (386)
      This circuit breaker finder can quickly and accurately locate the correct circuit breaker in a panel corresponding to the circuit to which an electrical outlet or fixture is connected GFCI tester consists of two parts: a Transmitter connected to the electrical outlet or fixture, and a Receiver used to scan the panel to locate the correct breaker Receiver delivers clear visual and audible indications when the correct breaker has been located Operates on 90-120V AC circuits Transmitter incorporates a GFCI outlet tester to inspect the wiring condition at the electrical outlet and test GFCI devices Transmitter docks in the Receiver for convenient storage as a single item when tester is not is use Transmitter incorporates a three-pin plug for connecting to North-American-style grounded electrical outlets
  • Klein Tools NCVT1P Voltage Tester, Non-Contact Voltage Detector Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip
    Bestseller #1
    Klein Tools NCVT1P Voltage Tester, Non-Contact Voltage Detector Pen, 50V to 1000V AC, Audible and Flashing LED Alarms, Pocket Clip (386)
      NON-CONTACT DETECTION of AC voltage in cables, cords, circuit breakers, lighting fixtures, switches, non-tamper-resistant outlets, and wires VISUAL AND AUDIBLE INDICATORS of voltage detection with a high intensity, bright red LED, and an audible tone BROAD APPLICATION with a 50 to 1000V AC power detection range CONSERVE BATTERIES with auto power-off function LIGHTWEIGHT AND DURABLE compact design with a convenient clip fits securely in pocket; 6.6-Foot (2 m) drop protection TRUSTED SAFE with a safety rating of CAT IV 1000V RECOMMENDED for non-tamper-resistant outlets; For tamper-resistant outlets, use Cat. Nos. NCVT-2P or NCVT-3P in low voltage mode
  • KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder-HT100 (Red)
    Bestseller #1
    KAIWEETS Voltage Tester/Non-Contact Voltage Tester with Dual Range AC 12V-1000V/48V-1000V, Live/Null Wire Tester, Electrical Tester with LCD Display, Buzzer Alarm, Wire Breakpoint Finder-HT100 (Red) (2245)
      SAFETY FIRST: It will send out multiple alarms through sound and light. When the voltage is detected, the tip will send out red light and beep. When the higher the sensed voltage is, or the closer it is to the voltage source, it beeps at a higher frequency. At the same time, the screen will be red or green, red means high voltage and live wire are detected, green means low voltage and null wire are detected. NON-CONTACT: With NCV inductive probe for AC voltage; Just place the tip near a terminal strip, outlet, or supply cord. When the tip glows red and the pen beeps, you know there's voltage present. The live wire detector can automatically detect the live or neutral wire. Ideal for breakpoint Test. Handy circuit tester for electricians, homeowners. DUAL RANGE: Detects standard and low voltage (12-1000V AC / 48-1000V AC) for more sensitive and flexible measurements. Press the S button to adjust sensitivity and adapt low range for doorbells, thermostats, irrigation wiring etc.; The NCV sensor automatically recognizes the voltage and displays it on the bar graph. SECURITY LEVEL: IEC rated CAT III 1000V CAT IV 600V, Meets CE requirements; The electrical tester is safely double insulated. High Voltage Alert to warn you of voltage above 90V, the screen turn red and the safety symbol on the screen shines. COMPACT DESIGN: Bright LED flashlight for work in dim ares; Low-Power-Indicator when battery voltage is below 2.5V; Automatic Power Off after 3 minutes without operation or signal detection; Pocket-sized, pen hook allows you to carry it in your shirt pocket. We provide 36-Month after sale service, Please feel free to contact us if you have any concerns.
  • Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems
    Bestseller #1
    Klein Tools RT210 Outlet Tester, Receptacle Tester for GFCI / Standard North American AC Electrical Outlets, Detects Common Wiring Problems (386)
      GFCI Tester detects the most common wiring problems in standard and GFCI receptacles Works on GFCI outlets and confirms operation of the ground fault protective device Built to withstand a 6.6-foot (2m) drop Operating temp: 32-Degree to 140-Degree Fahrenheit (0-Degree to 40-Degree Celsius) Nominal Voltage: 110/125V AC at 50/60Hz in 3-wire outlet
  • Heavy Duty 3-48V Backlit Digital LCD Circuit Tester, Test Light with 140 Inch Extended Spring Wire, Car Truck Low Voltage & Light Tester with Stainless Probe
    Bestseller #1
    Heavy Duty 3-48V Backlit Digital LCD Circuit Tester, Test Light with 140 Inch Extended Spring Wire, Car Truck Low Voltage & Light Tester with Stainless Probe (895)
      【Wide testing range】3-48v low DC voltage circuit test light, designed for checking various vehicles electrical circuits, such as automotive headlights, taillights, faulty sockets, fuse connectionsalso helpful for testing other 3-48V wirings and circuits. Which is a must tool no matter for business or household use, will serve you faithfully for years. 【Computer Safe & Backlight Digital Display Part】Heavy Duty circuit light tester with highly clear LCD digital blue backlight display screen, resolution to .1V voltage reading with high accuracy to ±0.2V, clear&visible digital readouts for day and night. Jastind test light draws much less current than the incandescent lamp, which is less likely to damage sensitive circuits. 【Quality Made Tester Body】Professional automotive circuit tester with premium acetate fiber body, allows for more toughness and durability. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock. 【Extended PU Spring & Large Alligator Clip】High quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand operation, also for convenient use and storage. 【100% Quality Guarantee】If you are looking for a durable circuit testing tool, this one is for you. We always stand behind our products, click "Add to Cart" with confidence today.
  • Greenlee - Seeker, Circuit, Elec Test Instruments (CS-8000)
    Bestseller #1
    Greenlee - Seeker, Circuit, Elec Test Instruments (CS-8000) (386)
      Leading manufacturer of high-quality tools Trusted and used by experts, professionals and those who know quality Proven and Tested for durabilty and function in real world job site conditions Seven US Based Manufacturing Facilities United States Workforce
  • Power Probe III w/Case & Acc - Red (PP319FTCRED) [Car Automotive Diagnostic Test Tool, Digital Volt Meter, AC/DC Current Resistance, Circuit Tester]
    Bestseller #1
    Power Probe III w/Case & Acc - Red (PP319FTCRED) [Car Automotive Diagnostic Test Tool, Digital Volt Meter, AC/DC Current Resistance, Circuit Tester] (54)
      Supply Power or Ground for Functional Component Testing Works on 12 - 24 Volt Range Power Cable Length of 20 Feet DC Voltmeter Indicators provide active feedback Resettable 8 Amp Circuit Breaker; Continuity Tester; Component Tester
  • NSi Industries TES-111 Twin Probe Voltage Tester, 80-250 VAC
    Bestseller #1
    NSi Industries TES-111 Twin Probe Voltage Tester, 80-250 VAC (386)
      Neon Light Indicates Presence Of Ac Voltage From 80-250 Vic Double Insulated Housing and Test Leads Pocket Clip Country of origin: United States
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